Analysis

  • max time kernel
    127s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 11:53

General

  • Target

    29d9c97457e3431b6153e11761aef0f1_JaffaCakes118.exe

  • Size

    23.0MB

  • MD5

    29d9c97457e3431b6153e11761aef0f1

  • SHA1

    358cffe25d2808a2acf4c6e0eb7d63fb914bfcab

  • SHA256

    847ed67674022766fce058d4a17692f53e18d96aca7989a3797689b77a6f17b9

  • SHA512

    30ba141c34d20c4209740d4768dc769bf5cd406fc4e6c6dcb76f16840c5b128adc1223f6738d1a3353dbc55365ed84b2c88c2a3219df5e0896539d693e92440e

  • SSDEEP

    393216:TFgRYBzyzPpe1vDll/yzPpeb1wFgRYBzyzPpe1vDll/yzPpeb1mRu:dzyT6vDll/yTFzyT6vDll/yTs

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • xmrig

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

  • XMRig Miner payload 19 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.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\29d9c97457e3431b6153e11761aef0f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\29d9c97457e3431b6153e11761aef0f1_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:4356
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    25.2MB

    MD5

    86d9248bb7c669715ebac8783fd214ca

    SHA1

    04c13f3f6912bcdc0979f135b96f9529f47a2da1

    SHA256

    ce39df4a76d2c770c848255457767dba05f1946bbf9e932da7de724d6b1debed

    SHA512

    c2ca3ce63423aa9a794e3c3549f407d009521cf4eab2f6e6d18b019bdd1991a373446654a81c8a23c5536414981dad8ed23a8c7350f244b2deca033727fd8601

  • 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

    29e845998d831249efa8959de1b9794c

    SHA1

    0c48b1b345857d50ddcada539e7d87cbe54d193f

    SHA256

    86f61339177964ec40e2fca8ffb35582a26c51375d1451345b3b11ba6c8bb8be

    SHA512

    b75ec808f27cbe0c9c5db226500f87511206b9a4dadd69b1ddaf8221ed36dc81aa89924e5457f2df01009da93d6257b1dff6a4c43d920190d3791fd1876b9bf8

  • memory/4356-0-0x0000000000400000-0x0000000000619000-memory.dmp

    Filesize

    2.1MB

  • memory/4356-528-0x0000000000400000-0x0000000000619000-memory.dmp

    Filesize

    2.1MB

  • memory/4356-391-0x0000000000400000-0x0000000000619000-memory.dmp

    Filesize

    2.1MB

  • memory/4848-398-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-420-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-395-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-392-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-400-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-418-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-419-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-394-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-429-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-461-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-387-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-527-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-263-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4848-529-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB