File name:

bob.exe

Full analysis: https://app.any.run/tasks/020f8ac9-5067-4edd-8634-f7a80af92570
Verdict: Malicious activity
Analysis date: April 27, 2018, 03:29:59
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

22F2BBBBC871F5440BDEF6E22B6A4CA6

SHA1:

21E5D8F5D2AE46164C0C94990D673360E4863DCC

SHA256:

A6CB0AAC9EBC713CE6C19246236BCBBDE883C48227D6ABACD6D302BF617C8DF5

SSDEEP:

6144:QEJaAMu16leaBEaoYO56KSBjWQLYRQ30bwk:QEJf1fOm56KS1LYRQ30bd

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

    • Changes the autorun value in the registry

      • bob.exe (PID: 1340)
      • bob.exe (PID: 2912)
    • UAC/LUA settings modification

      • bob.exe (PID: 4048)
      • bob.exe (PID: 3328)
    • Actions looks like stealing of personal data

      • bob.exe (PID: 4048)
      • bob.exe (PID: 3328)
  • SUSPICIOUS

    • Application launched itself

      • bob.exe (PID: 2912)
    • Modifies the open verb of a shell class

      • bob.exe (PID: 4048)
    • Creates files in the user directory

      • bob.exe (PID: 2912)
      • bob.exe (PID: 1340)
    • Executes PowerShell scripts

      • eventvwr.exe (PID: 3012)
  • INFO

    • Loads the .NET runtime environment

      • bob.exe (PID: 2912)
      • powershell.exe (PID: 3636)
      • bob.exe (PID: 4048)
      • bob.exe (PID: 1340)
      • bob.exe (PID: 3328)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (81)
.dll | Win32 Dynamic Link Library (generic) (7.2)
.exe | Win32 Executable (generic) (4.9)
.exe | Win16/32 Executable Delphi generic (2.2)
.exe | Generic Win/DOS Executable (2.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:04:12 22:58:05+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 221184
InitializedDataSize: 20480
UninitializedDataSize: -
EntryPoint: 0x3701e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-Apr-2018 20:58:05

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: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 12-Apr-2018 20:58:05
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
0x00002000
0x00035024
0x00036000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.04823
.rsrc
0x00038000
0x00003F30
0x00004000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.4743
.reloc
0x0003C000
0x0000000C
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0164085

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.30021
766
Latin 1 / Western European
UNKNOWN
RT_VERSION
2
3.84778
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
3
4.02744
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
4
4.26692
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
32512
2.49203
48
Latin 1 / Western European
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
7
Malicious processes
2
Suspicious processes
4

Behavior graph

Click at the process to see the details
drop and start start drop and start bob.exe bob.exe eventvwr.exe no specs eventvwr.exe powershell.exe no specs bob.exe bob.exe

Process information

PID
CMD
Path
Indicators
Parent process
1340"C:\Users\admin\AppData\Local\Temp\bob.exe" C:\Users\admin\AppData\Local\Temp\bob.exe
powershell.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\bob.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
2344"C:\Windows\System32\eventvwr.exe" C:\Windows\System32\eventvwr.exebob.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Event Viewer Snapin Launcher
Exit code:
3221226540
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\eventvwr.exe
c:\systemroot\system32\ntdll.dll
2912"C:\Users\admin\AppData\Local\Temp\bob.exe" C:\Users\admin\AppData\Local\Temp\bob.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\bob.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3012"C:\Windows\System32\eventvwr.exe" C:\Windows\System32\eventvwr.exe
bob.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Event Viewer Snapin Launcher
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\eventvwr.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\shell32.dll
3328"C:\Users\admin\AppData\Local\Temp\bob.exe"C:\Users\admin\AppData\Local\Temp\bob.exe
bob.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\bob.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3636"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process -FilePath "C:\Users\admin\AppData\Local\Temp\bob.exe" -waitC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeeventvwr.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.10586.117 (th2_release.160212-2359)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll
4048"C:\Users\admin\AppData\Local\Temp\bob.exe"C:\Users\admin\AppData\Local\Temp\bob.exe
bob.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
4294967295
Modules
Images
c:\users\admin\appdata\local\temp\bob.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
637
Read events
604
Write events
29
Delete events
4

Modification events

(PID) Process:(2912) bob.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Paychex Inc
Value:
C:\Users\admin\AppData\Roaming\Paychex Inc\Paychex Inc.exe
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(4048) bob.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bob_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3636powershell.exeC:\Users\admin\AppData\Local\Temp\tmdlvbkv.p0l.ps1
MD5:
SHA256:
3636powershell.exeC:\Users\admin\AppData\Local\Temp\idohacrf.xnp.psm1
MD5:
SHA256:
2912bob.exeC:\Users\admin\AppData\Roaming\Paychex Inc\Paychex Inc.exeexecutable
MD5:
SHA256:
1340bob.exeC:\Users\admin\AppData\Roaming\Paychex Inc\Paychex Inc.exeexecutable
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
3
Threats
6

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
GET
200
162.88.100.200:80
http://checkip.dyndns.org/
US
html
106 b
shared
GET
200
216.146.43.70:80
http://checkip.dyndns.org/
US
html
106 b
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
162.88.100.200:80
checkip.dyndns.org
Dynamic Network Services, Inc.
US
shared
216.146.43.70:80
checkip.dyndns.org
Dynamic Network Services, Inc.
US
shared

DNS requests

Domain
IP
Reputation
checkip.dyndns.org
  • 162.88.100.200
  • 91.198.22.70
  • 216.146.38.70
  • 216.146.43.70
  • 216.146.43.71
shared
bobby.ziraat-helpdesk.com
malicious

Threats

PID
Process
Class
Message
Misc activity
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
Potential Corporate Privacy Violation
ET POLICY External IP Lookup - checkip.dyndns.org
Potentially Bad Traffic
ET POLICY DynDNS CheckIp External IP Address Server Response
Misc activity
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
Potential Corporate Privacy Violation
ET POLICY External IP Lookup - checkip.dyndns.org
Potentially Bad Traffic
ET POLICY DynDNS CheckIp External IP Address Server Response
No debug info