Analysis

  • max time kernel
    93s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 14:18

General

  • Target

    13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe

  • Size

    801KB

  • MD5

    13b38a0a468aa0fed7fa03f726f4725c

  • SHA1

    c3273a6bca7b37a4a8f4473b8283774713914c38

  • SHA256

    a33160a1cbc3a3abcd1330dc8cba9cb99fee6f6061a9a143b47a4b3597e969a6

  • SHA512

    c901507061757293eee77013a2bca3ce66dadfa52c075f551b34006eab5d5e560f4a77d040f564adb4538257aa71ce67b3098cfbde9672691d7dc6a48f8a99d7

  • SSDEEP

    12288:wMOiyaD1GhnYzIsd561es4hTfTsA/H1AtMkpOh8Vd5ikI9iVpl8am7/6b5KpSSiN:H9yaD1e+pvTfTsY3aOeF8ms6bGSSu

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Detected Nirsoft tools 10 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3304
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\uipfvtyigwdrgujpfvtfbvur43gyu8gdct78uidscdftdfvfg" /XML "C:\Users\Admin\AppData\Local\Temp\z313"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3272
    • C:\Users\Admin\AppData\Local\Temp\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:452
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2144
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4520
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1716
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:1760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\13b38a0a468aa0fed7fa03f726f4725c_JaffaCakes118.exe.log

    Filesize

    319B

    MD5

    8feef304777dfe95294f842d6d9a3852

    SHA1

    9f34db8c6647b7edfe8f4618eab53fc6a6161ea7

    SHA256

    829510e85c0787bb7a291b85b9f38d1e7c122cf07de3829c33e1fba4d06bc97f

    SHA512

    f381d170eeea45b115ad6bc6d27b6f55bfbae00d7694cc8efd18aaa7d17f4d47f1f21de856315c38754ec1181d137923a6d74cd0a0c2d1ec538c80ea8ff9d20b

  • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\AppData\Local\Temp\z313

    Filesize

    1KB

    MD5

    9270e92bfc57c8d68a4b73b5d86c8d4d

    SHA1

    811c9b9dba7db381a350b36c5709b03668e3b683

    SHA256

    886b6439c0182f5d2d2e1300d550af08f48b2ee03cbf4dc6e268bb4c83656410

    SHA512

    d2694549bafc5f6264b2c3cda01f60223b53436d48b0a68deae5f667fc439fd95e9ea7f562aaaf69737a66fdb4c8b7c668c47970ac747d56ac856423074c5511

  • memory/452-20-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/452-23-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/452-47-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/452-12-0x0000000000740000-0x00000000007C8000-memory.dmp

    Filesize

    544KB

  • memory/452-14-0x0000000000740000-0x00000000007C8000-memory.dmp

    Filesize

    544KB

  • memory/452-13-0x0000000000740000-0x00000000007C8000-memory.dmp

    Filesize

    544KB

  • memory/452-31-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/452-19-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-24-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2144-28-0x0000000000420000-0x00000000004E9000-memory.dmp

    Filesize

    804KB

  • memory/2144-30-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2144-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2144-26-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3304-8-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3304-18-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3304-0-0x0000000075352000-0x0000000075353000-memory.dmp

    Filesize

    4KB

  • memory/3304-2-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3304-1-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3304-7-0x0000000075352000-0x0000000075353000-memory.dmp

    Filesize

    4KB

  • memory/4520-32-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4520-33-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4520-40-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB