Analysis

  • max time kernel
    127s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 03:55

General

  • Target

    0450d70ba017af2405227d453ded067f_JaffaCakes118.exe

  • Size

    22.4MB

  • MD5

    0450d70ba017af2405227d453ded067f

  • SHA1

    2737e43a59c36e240d620045819ec336134364e6

  • SHA256

    5a2a5eedca4ab80dd519cad86c47a55747e6f80b727f81f70e5cad82288a8f57

  • SHA512

    143d087ced0d7be53bb094f344493d6f326d558cbf010b778621ce40b18345989f8d0b3ad02e46aa643d38fb82a047b789e44e7dbb3abeb74c0d84d9f2cf74b7

  • SSDEEP

    393216:dFgRavDllzWiKjyDFgRavDllzWiKjylBI1uB:zvDllbKjyNvDllbKjyHrB

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 2 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 17 IoCs
  • Sets file execution options in registry 2 TTPs 12 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0450d70ba017af2405227d453ded067f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0450d70ba017af2405227d453ded067f_JaffaCakes118.exe"
    1⤵
    • UAC bypass
    • Sets file execution options in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2320
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe
    Filesize

    24.5MB

    MD5

    6cc28f4206bd39426c5989fd29b77177

    SHA1

    adc3b621d56171c10059358992d7814f53e4ff6d

    SHA256

    d279b97b6c586b49daa4531607c8efc0dffb6b2806e31f36142e979bfba5e76f

    SHA512

    0bae7a629f3d20122ef9c6ceda885e0b10d37c062aa749f591c6136a4f351e5b4da722bdadbea87f5cd0fc840de877cc1be4b729d24f57afa3d7f1135f566395

  • C:\Windows\config.json
    Filesize

    1KB

    MD5

    88c5c5706d2e237422eda18490dc6a59

    SHA1

    bb8d12375f6b995301e756de2ef4fa3a3f6efd39

    SHA256

    4756a234ed3d61fe187d9b6140792e54e7b757545edff82df594a507e528ed8e

    SHA512

    a417270a0d46de5bb06a621c0383c893042a506524713f89ba55567df6e5c3ac8b198bce5a0300ec6e716897bb53fd3e8289a51240157dc743004517673d4ab7

  • C:\Windows\svchost.exe
    Filesize

    833KB

    MD5

    4a87a4d6677558706db4afaeeeb58d20

    SHA1

    7738dc6a459f8415f0265d36c626b48202cd6764

    SHA256

    08b55f9b7dafc53dfc43f7f70cdd7048d231767745b76dc4474370fb323d7ae7

    SHA512

    bedd8ed4975df3fcd4a0f575d6f38e3841e7a4b771baac4f72033102a070818b8539eb101c50563d89d4f3454899a1cedb33047b02e421256dedf9aaf258b594

  • C:\vcredist2010_x86.log.html
    Filesize

    81KB

    MD5

    dca5f9dda474e58571f809c868a1bca7

    SHA1

    69bf2441f04aaa8ecd3f72bd6d3c1b83c7bafc4a

    SHA256

    d1d53253843c5636ec391d7e90aefd1727a8a3eaaf658ea1665696c2c285c7fc

    SHA512

    5387e51329a1d9b564493b32c878be1dff90075c4a01d67f3f3f06f3e1a317e9de828ab5b45055be4ec0f3abf64cb7eca1fd4a2e6342e98cf8bae7e7ed324e8c

  • memory/1460-396-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-429-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-392-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-394-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-543-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-398-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-400-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-418-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-419-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-428-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-391-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-465-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-271-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/1460-542-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2320-0-0x0000000000400000-0x0000000000613000-memory.dmp
    Filesize

    2.1MB