Analysis

  • max time kernel
    92s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-06-2024 07:29

General

  • Target

    8d4fb7606e6270b7190b97f382993b42_JaffaCakes118.exe

  • Size

    871KB

  • MD5

    8d4fb7606e6270b7190b97f382993b42

  • SHA1

    c4f94218183dd65573fc143e2051b776c3c0e13d

  • SHA256

    01053beaa477c1cbf38cd7914244da9e75a22f59568056048fefde017503226e

  • SHA512

    01e9bbe174bb282a263b0f85d478e884186f2c8aa67f3a82af2bc1c27005817d40f43d64797cf96a30c6bba7766d8a0dffd1d2851f871abc1779ff1399cd7538

  • SSDEEP

    12288:qnTq/B++r60H1qRrznXOdDU9k3CDOSeJot8EUpWLfM88vqXVjPM6boym+gm2xOKY:RBRrFVWrzsUAaOSeJoPxsyFrMWBm/D1

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 1 IoCs
  • 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.

  • 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 42 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d4fb7606e6270b7190b97f382993b42_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8d4fb7606e6270b7190b97f382993b42_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\8d4fb7606e6270b7190b97f382993b42_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:2580
      • C:\Users\Admin\AppData\Local\Temp\8d4fb7606e6270b7190b97f382993b42_JaffaCakes118.exe
        "{path}"
        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:208
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\8d4fb7606e6270b7190b97f382993b42_JaffaCakes118.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3288

    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

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8d4fb7606e6270b7190b97f382993b42_JaffaCakes118.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uepi4f4x.dgl.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/208-9-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/208-12-0x00007FF906A70000-0x00007FF906C65000-memory.dmp
      Filesize

      2.0MB

    • memory/208-14-0x0000000006CB0000-0x0000000006D00000-memory.dmp
      Filesize

      320KB

    • memory/208-13-0x00000000061F0000-0x0000000006256000-memory.dmp
      Filesize

      408KB

    • memory/2712-5-0x000000000B3E0000-0x000000000B47C000-memory.dmp
      Filesize

      624KB

    • memory/2712-4-0x0000000005210000-0x000000000521A000-memory.dmp
      Filesize

      40KB

    • memory/2712-8-0x000000000DFA0000-0x000000000E03A000-memory.dmp
      Filesize

      616KB

    • memory/2712-0-0x00007FF906A70000-0x00007FF906C65000-memory.dmp
      Filesize

      2.0MB

    • memory/2712-2-0x0000000005920000-0x0000000005EC4000-memory.dmp
      Filesize

      5.6MB

    • memory/2712-6-0x0000000005500000-0x0000000005512000-memory.dmp
      Filesize

      72KB

    • memory/2712-3-0x0000000005280000-0x0000000005312000-memory.dmp
      Filesize

      584KB

    • memory/2712-1-0x00000000008B0000-0x0000000000990000-memory.dmp
      Filesize

      896KB

    • memory/2712-7-0x000000000B5D0000-0x000000000B66C000-memory.dmp
      Filesize

      624KB

    • memory/3288-53-0x0000000007CA0000-0x0000000007CBA000-memory.dmp
      Filesize

      104KB

    • memory/3288-34-0x000000006FD40000-0x000000006FD8C000-memory.dmp
      Filesize

      304KB

    • memory/3288-18-0x00000000056A0000-0x0000000005CC8000-memory.dmp
      Filesize

      6.2MB

    • memory/3288-16-0x0000000004FE0000-0x0000000005016000-memory.dmp
      Filesize

      216KB

    • memory/3288-28-0x0000000006010000-0x0000000006032000-memory.dmp
      Filesize

      136KB

    • memory/3288-57-0x00007FF906A70000-0x00007FF906C65000-memory.dmp
      Filesize

      2.0MB

    • memory/3288-15-0x00007FF906A70000-0x00007FF906C65000-memory.dmp
      Filesize

      2.0MB

    • memory/3288-29-0x00000000060F0000-0x0000000006156000-memory.dmp
      Filesize

      408KB

    • memory/3288-32-0x0000000006660000-0x00000000066AC000-memory.dmp
      Filesize

      304KB

    • memory/3288-33-0x0000000006B80000-0x0000000006BB2000-memory.dmp
      Filesize

      200KB

    • memory/3288-44-0x0000000006B60000-0x0000000006B7E000-memory.dmp
      Filesize

      120KB

    • memory/3288-17-0x00007FF906A70000-0x00007FF906C65000-memory.dmp
      Filesize

      2.0MB

    • memory/3288-45-0x0000000007860000-0x0000000007903000-memory.dmp
      Filesize

      652KB

    • memory/3288-46-0x0000000007FA0000-0x000000000861A000-memory.dmp
      Filesize

      6.5MB

    • memory/3288-47-0x0000000007960000-0x000000000797A000-memory.dmp
      Filesize

      104KB

    • memory/3288-48-0x00000000079D0000-0x00000000079DA000-memory.dmp
      Filesize

      40KB

    • memory/3288-49-0x0000000007BE0000-0x0000000007C76000-memory.dmp
      Filesize

      600KB

    • memory/3288-50-0x0000000007B60000-0x0000000007B71000-memory.dmp
      Filesize

      68KB

    • memory/3288-51-0x0000000007B90000-0x0000000007B9E000-memory.dmp
      Filesize

      56KB

    • memory/3288-52-0x0000000007BA0000-0x0000000007BB4000-memory.dmp
      Filesize

      80KB

    • memory/3288-30-0x00000000061D0000-0x0000000006524000-memory.dmp
      Filesize

      3.3MB

    • memory/3288-54-0x0000000007C80000-0x0000000007C88000-memory.dmp
      Filesize

      32KB

    • memory/3288-31-0x0000000006600000-0x000000000661E000-memory.dmp
      Filesize

      120KB