Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 17:05

General

  • Target

    6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe

  • Size

    272KB

  • MD5

    6f38bcb2633aa6ab14d6bccd4d0ef41f

  • SHA1

    9e258a20aa8834bda7c3c568c8e4c81e4bb6509f

  • SHA256

    9a6764cf5d070c5651340125d90dbda11e09f62aa128f6571a36664ae91be9f1

  • SHA512

    22aaced85caf885eeac9b715b961341fa24fab08646af87e0eb6e7aad5587266812ae7902c7e17e7fc9c60225a3d9744a32016fbc26225819dcff4f8337798b9

  • SSDEEP

    6144:0IxLFmmc3lrVCHZFY3ORLoGBaIcLzRkqtIe4kmNl+rU3qTvLtPtzk:Vx5mmc3lrVCHTY+tJcLzObeSljqnT

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 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\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
      2⤵
        PID:2488
      • C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
        2⤵
        • Checks computer location settings
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2132
        • C:\Users\Admin\AppData\Local\Temp\P7E.exe
          "C:\Users\Admin\AppData\Local\Temp\P7E.exe" C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1764

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe.log
      Filesize

      313B

      MD5

      00b72ea3d569eb0d4fb85691b642f47c

      SHA1

      f9134a33706eb76ddb00e5276639d660a071da9b

      SHA256

      cd62d4fbf8b135be5c0b8448a7d53db7784869761a10ec99473f58f44d8e686c

      SHA512

      62af7608834d84fa95470247cab4bfa5a382825f81e9918b762e62dfc6c467e7b50cfb5b2fd36eff1da320e22aa8c1427c02820e06d9f2f6483e64740a43e8df

    • C:\Users\Admin\AppData\Local\Temp\P7E.exe
      Filesize

      10KB

      MD5

      f683769b947501b5a98376619d5938bb

      SHA1

      6a38e4acd9ade0d85697d10683ec84fa0daed11c

      SHA256

      c2cae82e01d954e3a50feaebcd3f75de7416a851ea855d6f0e8aaac84a507ca3

      SHA512

      dbd7a26139c5ef6a409fb247b08eb54c62328edace9a047aac3ca75b8e552572428dbda4efc7836398fa4d2d9e68075e10e2436efcf1f9fc138d69ac440bd556

    • memory/1764-25-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/1764-24-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/1764-28-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2132-12-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2132-10-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2132-11-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2132-5-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2132-9-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2132-26-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2132-27-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2504-8-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2504-1-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB

    • memory/2504-0-0x0000000075272000-0x0000000075273000-memory.dmp
      Filesize

      4KB

    • memory/2504-2-0x0000000075270000-0x0000000075821000-memory.dmp
      Filesize

      5.7MB