Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 12:19

General

  • Target

    9aa57ec1e10674582b36181788cb6e5c_JaffaCakes118.exe

  • Size

    571KB

  • MD5

    9aa57ec1e10674582b36181788cb6e5c

  • SHA1

    204b63af90168bd49591f05f2db4906ffff0a75d

  • SHA256

    246af49565355a8604a3df23fece37dfef3a06c93ea5750fc3fd90d4375e234a

  • SHA512

    7f480e22b784f6e56a3ab5a48a23bcfc5511e023830c048d9ef0add8f05826d31beab20493de1a0f17af1302490f62f58862b932765f4ea72aaa191aef0aa355

  • SSDEEP

    12288:QdNspCFrDD+wnkp0J6rkKhBGYsuSH6z0fWjlOSEmWif3L+ANRzTm3z:8sp8rDD+r0J6rRBGrui00fWpEm/nN1m3

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 5 IoCs
  • Beds Protector Packer 1 IoCs

    Detects Beds Protector packer used to load .NET malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9aa57ec1e10674582b36181788cb6e5c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9aa57ec1e10674582b36181788cb6e5c_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\9aa57ec1e10674582b36181788cb6e5c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9aa57ec1e10674582b36181788cb6e5c_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2904
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\9aa57ec1e10674582b36181788cb6e5c_JaffaCakes118.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2996

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2420-0-0x00000000742EE000-0x00000000742EF000-memory.dmp
    Filesize

    4KB

  • memory/2420-1-0x0000000000030000-0x00000000000C4000-memory.dmp
    Filesize

    592KB

  • memory/2420-2-0x0000000002330000-0x00000000023BA000-memory.dmp
    Filesize

    552KB

  • memory/2420-3-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2420-4-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2420-6-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2420-22-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2904-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2904-20-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2904-19-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2904-8-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2904-10-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2904-9-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2904-16-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2904-14-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2904-21-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2904-11-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2904-23-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2904-25-0x00000000065B0000-0x0000000006640000-memory.dmp
    Filesize

    576KB

  • memory/2904-24-0x0000000004910000-0x000000000494E000-memory.dmp
    Filesize

    248KB

  • memory/2904-28-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2904-29-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2904-30-0x00000000742E0000-0x00000000749CE000-memory.dmp
    Filesize

    6.9MB