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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 15:59

General

  • Target

    080d5426e099f133c2c5c10619e0166f_JaffaCakes118.exe

  • Size

    7.0MB

  • MD5

    080d5426e099f133c2c5c10619e0166f

  • SHA1

    d0a23526c55090d6211aac59b317222614f2c488

  • SHA256

    adec7da69b808f3dea4c492e1f277f42da4a7a4b9d9287be6dd371153c3f05b5

  • SHA512

    05a0e6030c9f27146c9040bc050e7a8ca84e310687df075b0ddf769dbe11016e642e73e69f210eb39ba2164ff74fc5541908f19ca41237fa7325d40d62060dd0

  • SSDEEP

    98304:dvfapmo1Y4+6Y7SOEfX/SbgRJL/aSl9mxJWIfzjTpC5VCfmMrm1RF4bgh0Jg1QOY:da9+6Y7SOEibgR3yzPpCLkyHFYghxxK

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\080d5426e099f133c2c5c10619e0166f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\080d5426e099f133c2c5c10619e0166f_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:1168
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    9.1MB

    MD5

    5f8eb9cb85d343073639586b46059ddd

    SHA1

    ee13c49f83b0abd87654767b76fd519d0e09f243

    SHA256

    d7dd528a091ed291ce8ee7c4671adbd6b975dd2593f7fa4de7999b73260082fe

    SHA512

    0add4b3da085cbcb6fcaf9cbcd121af9a77a7378a7ab01726c91f228d8ab37ba9a24699f373d6e07a1fca936de7113e0d2f2ea0cbd29bd0a33cb1e50d30d655c

  • 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

    cdde4b021e2164ff5eb73f9f1d287521

    SHA1

    ecb330bde21d22dee57e0236724cf91dcf020a8f

    SHA256

    312cde3b6e5dbb05c203052aa37c9ad9ce745b0e073d78b7d7152c5a22f857e8

    SHA512

    32397334207f114e6f79d782c2ba4cdbc93e627ce5eb7285e72fbfaf60bc0d8826888254412782e3804e01bf3f2022e8ef5cece895a7f8e17a570c4d72db9472

  • memory/1168-0-0x0000000000400000-0x0000000000613000-memory.dmp

    Filesize

    2.1MB

  • memory/4576-423-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-531-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-414-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-393-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-425-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-391-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-530-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-396-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-532-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-533-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-534-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-535-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-536-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4576-537-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB