Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-05-2024 11:03

General

  • Target

    4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe

  • Size

    908KB

  • MD5

    4facc867a958dfe3d5a9d8cdab7e4db1

  • SHA1

    bafa19764cde001ade84889ebc3c954a5435f9da

  • SHA256

    edd78f30579d9a9035507295bb86fa21efa215f45b19df755edff9f3cef06283

  • SHA512

    190541bdc5fee6b709e8f55eb36b9c55735f4c0085cb60fb5d0b04e8bbd7b412eb03a713cad018f6e32d9fa7716ac55e6454df9835a6598aa7a046729c6bc976

  • SSDEEP

    24576:0Ds3wrDDQwi6sENDmgGhrBezyR+tbMVC+a3akdGNzcaD:0DprPQ6sy6gI7eoQtKEGvD

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Users\Admin\AppData\Local\Temp\4facc867a958dfe3d5a9d8cdab7e4db1_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:828
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3704
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3148,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8
    1⤵
      PID:1700

    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\4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cb5avtz5.hci.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/828-65-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/828-21-0x0000000006DF0000-0x0000000006E40000-memory.dmp
      Filesize

      320KB

    • memory/828-20-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/828-19-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/828-18-0x00000000063C0000-0x0000000006426000-memory.dmp
      Filesize

      408KB

    • memory/828-17-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/828-16-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/828-12-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/2832-10-0x0000000007F10000-0x0000000007FCE000-memory.dmp
      Filesize

      760KB

    • memory/2832-11-0x000000000A630000-0x000000000A6F4000-memory.dmp
      Filesize

      784KB

    • memory/2832-9-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/2832-8-0x00000000750CE000-0x00000000750CF000-memory.dmp
      Filesize

      4KB

    • memory/2832-7-0x0000000007AA0000-0x0000000007AB2000-memory.dmp
      Filesize

      72KB

    • memory/2832-15-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/2832-6-0x0000000007AD0000-0x0000000007B6C000-memory.dmp
      Filesize

      624KB

    • memory/2832-5-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/2832-4-0x00000000051E0000-0x00000000051EA000-memory.dmp
      Filesize

      40KB

    • memory/2832-3-0x00000000052B0000-0x0000000005342000-memory.dmp
      Filesize

      584KB

    • memory/2832-2-0x0000000005860000-0x0000000005E04000-memory.dmp
      Filesize

      5.6MB

    • memory/2832-1-0x0000000000730000-0x000000000081A000-memory.dmp
      Filesize

      936KB

    • memory/2832-0-0x00000000750CE000-0x00000000750CF000-memory.dmp
      Filesize

      4KB

    • memory/3704-23-0x0000000005220000-0x0000000005848000-memory.dmp
      Filesize

      6.2MB

    • memory/3704-25-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/3704-26-0x0000000004E90000-0x0000000004EB2000-memory.dmp
      Filesize

      136KB

    • memory/3704-24-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/3704-27-0x0000000004F30000-0x0000000004F96000-memory.dmp
      Filesize

      408KB

    • memory/3704-37-0x0000000005850000-0x0000000005BA4000-memory.dmp
      Filesize

      3.3MB

    • memory/3704-38-0x0000000005CD0000-0x0000000005CEE000-memory.dmp
      Filesize

      120KB

    • memory/3704-39-0x0000000005D00000-0x0000000005D4C000-memory.dmp
      Filesize

      304KB

    • memory/3704-41-0x0000000070360000-0x00000000703AC000-memory.dmp
      Filesize

      304KB

    • memory/3704-40-0x00000000062C0000-0x00000000062F2000-memory.dmp
      Filesize

      200KB

    • memory/3704-51-0x0000000006290000-0x00000000062AE000-memory.dmp
      Filesize

      120KB

    • memory/3704-52-0x0000000006EC0000-0x0000000006F63000-memory.dmp
      Filesize

      652KB

    • memory/3704-53-0x0000000007640000-0x0000000007CBA000-memory.dmp
      Filesize

      6.5MB

    • memory/3704-54-0x0000000007000000-0x000000000701A000-memory.dmp
      Filesize

      104KB

    • memory/3704-55-0x0000000007070000-0x000000000707A000-memory.dmp
      Filesize

      40KB

    • memory/3704-56-0x0000000007280000-0x0000000007316000-memory.dmp
      Filesize

      600KB

    • memory/3704-57-0x0000000007200000-0x0000000007211000-memory.dmp
      Filesize

      68KB

    • memory/3704-58-0x0000000007230000-0x000000000723E000-memory.dmp
      Filesize

      56KB

    • memory/3704-59-0x0000000007240000-0x0000000007254000-memory.dmp
      Filesize

      80KB

    • memory/3704-60-0x0000000007340000-0x000000000735A000-memory.dmp
      Filesize

      104KB

    • memory/3704-61-0x0000000007320000-0x0000000007328000-memory.dmp
      Filesize

      32KB

    • memory/3704-64-0x00000000750C0000-0x0000000075870000-memory.dmp
      Filesize

      7.7MB

    • memory/3704-22-0x0000000002350000-0x0000000002386000-memory.dmp
      Filesize

      216KB