File name:

ac.exe

Full analysis: https://app.any.run/tasks/5da3680f-b29e-457f-92e7-3fee1c8b07d8
Verdict: Malicious activity
Threats:

Dharma is advanced ransomware that has been observed in the wild since 2016. It is considered to be the second most profitable RaaS operation by the FBI. The malware targets hospitals and state organizations, encrypts files, and demands a payment to restore access to lost information.

Malware Trends Tracker     >>>
Analysis date: August 17, 2020, 06:51:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
dharma
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

928E37519022745490D1AF1CE6F336F7

SHA1:

B7840242393013F2C4C136AC7407E332BE075702

SHA256:

6FB303DD8BA36381948127D44BD8541E4A1AB8AF07B46526ACE08458F2498850

SSDEEP:

196608:JZnMy97vfgla5NX7YaP6uIEJsp+jb4agYSUpHm6g90MrYmhZZoG0tLzr1+W:LnMy9rfma5NrYaVzC0b4vpZZoG0tR+W

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

    • Application was dropped or rewritten from another process

      • nc123.exe (PID: 2352)
      • mssql2.exe (PID: 580)
      • mssql2.exe (PID: 2404)
      • SearchHost.exe (PID: 1592)
      • SearchHost.exe (PID: 4000)

    • Dharma/Crysis was detected

      • ac.exe (PID: 1008)

    • Deletes shadow copies

      • cmd.exe (PID: 1036)

    • Starts NET.EXE to view/add/change user profiles

      • cmd.exe (PID: 3968)

    • Starts NET.EXE to view/change users group

      • cmd.exe (PID: 3968)

    • Starts NET.EXE to view/change login properties

      • cmd.exe (PID: 3968)

    • Starts NET.EXE for service management

      • cmd.exe (PID: 3968)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • ac.exe (PID: 1008)
      • mssql2.exe (PID: 580)

    • Creates or modifies windows services

      • mssql2.exe (PID: 580)

    • Starts CMD.EXE for commands execution

      • ac.exe (PID: 1008)
      • nc123.exe (PID: 2352)
      • cmd.exe (PID: 3968)

    • Application launched itself

      • cmd.exe (PID: 3968)
      • SearchHost.exe (PID: 1592)

    • Uses WMIC.EXE to obtain a system information

      • cmd.exe (PID: 3708)
      • cmd.exe (PID: 3912)

    • Low-level read access rights to disk partition

      • mssql2.exe (PID: 580)

    • Uses NETSH.EXE for network configuration

      • cmd.exe (PID: 3968)

    • Uses REG.EXE to modify Windows registry

      • cmd.exe (PID: 3968)

    • Uses ATTRIB.EXE to modify file attributes

      • cmd.exe (PID: 3968)

    • Starts SC.EXE for service management

      • cmd.exe (PID: 3968)

    • Reads Internet Cache Settings

      • mssql2.exe (PID: 580)

  • INFO

    • Manual execution by user

      • NOTEPAD.EXE (PID: 1460)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:06:25 12:38:29+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 155648
InitializedDataSize: 112640
UninitializedDataSize: -
EntryPoint: 0x13c60
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 25-Jun-2020 10:38:29
Debug artifacts:
  • D:\Projects\WinRAR\sfx\build\sfxzip32\Release\sfxzip.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: 0x00000110

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 25-Jun-2020 10:38:29
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
0x00025F0A
0x00026000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.69284
.rdata
0x00027000
0x00009C14
0x00009E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.20986
.data
0x00031000
0x00034D90
0x00000E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.79529
.didat
0x00066000
0x0000015C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.99773
.rsrc
0x00067000
0x0000E020
0x0000E200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.80343
.reloc
0x00076000
0x000027EC
0x00002800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.72598

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.25329
1875
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
5.10026
2216
Latin 1 / Western European
UNKNOWN
RT_ICON
3
5.25868
3752
Latin 1 / Western European
UNKNOWN
RT_ICON
4
5.02609
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
5
5.18109
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
6
5.04307
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
7
3.66634
508
Latin 1 / Western European
UNKNOWN
RT_STRING
8
3.71728
582
Latin 1 / Western European
UNKNOWN
RT_STRING
9
3.73856
422
Latin 1 / Western European
UNKNOWN
RT_STRING
10
3.55807
220
Latin 1 / Western European
UNKNOWN
RT_STRING

Imports

KERNEL32.dll
USER32.dll (delay-loaded)
gdiplus.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
81
Monitored processes
33
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start drop and start drop and start start #DHARMA ac.exe nc123.exe no specs cmd.exe no specs mssql2.exe no specs mssql2.exe cmd.exe no specs cmd.exe no specs searchhost.exe no specs vssadmin.exe no specs cmd.exe no specs wmic.exe no specs find.exe no specs net.exe no specs net1.exe no specs net.exe no specs searchhost.exe net1.exe no specs cmd.exe no specs wmic.exe no specs find.exe no specs net.exe no specs net1.exe no specs net.exe no specs net1.exe no specs reg.exe no specs reg.exe no specs reg.exe no specs attrib.exe no specs netsh.exe no specs sc.exe no specs net.exe no specs net1.exe no specs notepad.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
252WMIC Group Where "SID = 'S-1-5-32-555'" Get Name /Value C:\Windows\System32\Wbem\WMIC.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
WMI Commandline Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wbem\wmic.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\ole32.dll
c:\windows\system32\gdi32.dll
292Find "="C:\Windows\system32\find.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Find String (grep) Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\find.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ulib.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
384net user systembackup Default3104 /add /active:"yes" /expires:"never" /passwordchg:"NO"C:\Windows\system32\net.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
580"C:\Users\admin\AppData\Local\Temp\ac\mssql2.exe" C:\Users\admin\AppData\Local\Temp\ac\mssql2.exe
ac.exe
User:
admin
Company:
一普明为（北京）信息技术有限公司
Integrity Level:
HIGH
Description:
Epoolsoft Windows Information View Tools
Exit code:
0
Version:
1.0.0.5
Modules
Images
c:\users\admin\appdata\local\temp\ac\mssql2.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msimg32.dll
624C:\Windows\system32\net1 start TelnetC:\Windows\system32\net1.exe—net.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\net1.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\dsrole.dll
c:\windows\system32\netutils.dll
676attrib C:\users\systembackup +r +a +s +hC:\Windows\system32\attrib.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
1008"C:\Users\admin\AppData\Local\Temp\ac.exe" C:\Users\admin\AppData\Local\Temp\ac.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\ac.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.17514_none_72d18a4386696c80\gdiplus.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
1036cmd /c ""C:\Users\admin\AppData\Local\Temp\ac\Shadow.bat" "C:\Windows\system32\cmd.exe—ac.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1460"C:\Windows\system32\NOTEPAD.EXE" C:\Windows\inf\.NET CLR Networking 4.0.0.0\000E\_Networkingperfcounters.iniC:\Windows\system32\NOTEPAD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\notepad.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\gdi32.dll
c:\windows\system32\user32.dll
1492net localgroup Administrators systembackup /addC:\Windows\system32\net.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wininet.dll
c:\windows\system32\normaliz.dll
c:\windows\system32\api-ms-win-downlevel-version-l1-1-0.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\api-ms-win-downlevel-ole32-l1-1-0.dll
c:\windows\system32\oleaut32.dll
c:\users\admin\appdata\local\temp\ac\mssql2.exe
c:\windows\system32\version.dll
c:\windows\system32\cryptnet.dll
c:\windows\system32\bcryptprimitives.dll
Total events
1 258
Read events
1 172
Write events
84
Delete events
2

Modification events

(PID) Process:(1008) ac.exeKey:HKEY_CURRENT_USER\Software\WinRAR SFX
Operation:writeName:ac
Value:
ac
(PID) Process:(1008) ac.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(1008) ac.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(580) mssql2.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mssql2aq
Operation:writeName:Type
Value:
1
(PID) Process:(580) mssql2.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mssql2aq
Operation:writeName:ErrorControl
Value:
1
(PID) Process:(580) mssql2.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mssql2aq
Operation:writeName:Start
Value:
1
(PID) Process:(580) mssql2.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mssql2aq
Operation:writeName:ImagePath
Value:
\??\C:\Users\admin\AppData\Local\Temp\ac\mssql2aq.sys
(PID) Process:(580) mssql2.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mssql2aq\Enum
Operation:delete keyName:(default)
Value:
(PID) Process:(580) mssql2.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\mssql2aq
Operation:delete keyName:(default)
Value:
(PID) Process:(1592) SearchHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
Executable files
8
Suspicious files
0
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\EVER\Everything.initext
MD5:5531BBB8BE242DFC9950F2C2C8AA0058
SHA256:4F03AB645FE48BF3783EB58568E89B3B3401956DD17CB8049444058DAB0634D7
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\EVER\SearchHost.exeexecutable
MD5:8ADD121FA398EBF83E8B5DB8F17B45E0
SHA256:35C4A6C1474EB870EEC901CEF823CC4931919A4E963C432CE9EFBB30C2D8A413
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\Shadow.battext
MD5:DF8394082A4E5B362BDCB17390F6676D
SHA256:DA3F155CFB98CE0ADD29A31162D23DA7596DA44BA2391389517FE1A2790DA878
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\nc123.exeexecutable
MD5:597DE376B1F80C06D501415DD973DCEC
SHA256:F47E3555461472F23AB4766E4D5B6F6FD260E335A6ABC31B860E569A720A5446
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\unlocker.exeexecutable
MD5:5840AA36B70B7C03C25E5E1266C5835B
SHA256:09D7FCBF95E66B242FF5D7BC76E4D2C912462C8C344CB2B90070A38D27AAEF53
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\EVER\1saas\1sass.exeexecutable
MD5:0880430C257CE49D7490099D2A8DD01A
SHA256:056C3790765F928E991591CD139384B6680DF26313A73711ADD657ABC369028C
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\mssql.exeexecutable
MD5:F6A3D38AA0AE08C3294D6ED26266693F
SHA256:C522E0B5332CAC67CDE8FC84080DB3B8F2E0FE85F178D788E38B35BBE4D464AD
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\EVER\1saas\LogDelete.exeexecutable
MD5:6CA170ECE252721ED6CC3CFA3302D6F0
SHA256:F3A23E5E9A7CAEFCC81CFE4ED8DF93FF84D5D32C6C63CDBB09F41D84F56A4126
580mssql2.exeC:\Users\admin\AppData\Local\Temp\ac\mssql2aq.sysexecutable
MD5:E84B6ADEDD6BE5760324A52FAF73E716
SHA256:49030B013A39FA3C0BF266CBC2384B56AF83C62614EBC5E89122DA992E865457
1008ac.exeC:\Users\admin\AppData\Local\Temp\ac\systembackup.battext
MD5:B4B2F1A6C7A905781BE7D877487FC665
SHA256:6246B0045CA11DA483E38317421317DC22462A8D81E500DEE909A5269C086B5F
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
1
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
580
mssql2.exe
GET
404
156.250.158.231:80
http://www.epoolsoft.com/PCHunter_StandardV1.54=0604FD838CB416A17DC2548DD3AD6A66BED5FBD216E6F6E9F174187CF61C0B6895E9303F8C6E83B919D9D97610EBFDAA
ZA
html
496 b
malicious
580
mssql2.exe
GET
404
156.250.158.231:80
http://www.epoolsoft.com/pchunter/pchunter_free
ZA
html
496 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
580
mssql2.exe
156.250.158.231:80
www.epoolsoft.com
MacroLAN
ZA
unknown

DNS requests

Domain
IP
Reputation
www.epoolsoft.com
  • 156.250.158.231
malicious

Threats

No threats detected
No debug info
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Reports
ac.exe