Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 21:48

General

  • Target

    2b09df6d8acf4ad5c4c3b084d8e253e19764f25e53d46b010d76a11615c159dc.exe

  • Size

    3.3MB

  • MD5

    33a3ad9c0179311f7650adf221a7532f

  • SHA1

    3f5d0cbcfe891fd9c21c3a068d41c4296f6aa6ef

  • SHA256

    2b09df6d8acf4ad5c4c3b084d8e253e19764f25e53d46b010d76a11615c159dc

  • SHA512

    cdcb27e6a60b6007c68ceb53e69e5c719f802247651651b6773e43cb17758d39ad9c88f6cbeb0f2d885ae952e7357c4f297f016b909c4070ba57d6d3d78d1da3

  • SSDEEP

    98304:dvfapmo1Y4+6Y7SOEfX/SbgR98Jy9iLqLo:da9+6Y7SOEibgRr4

Malware Config

Signatures

  • Blackmoon family
  • 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 family
  • xmrig

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

  • XMRig Miner payload 17 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 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 3 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).

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

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

  • 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\2b09df6d8acf4ad5c4c3b084d8e253e19764f25e53d46b010d76a11615c159dc.exe
    "C:\Users\Admin\AppData\Local\Temp\2b09df6d8acf4ad5c4c3b084d8e253e19764f25e53d46b010d76a11615c159dc.exe"
    1⤵
    • UAC bypass
    • Event Triggered Execution: Image File Execution Options Injection
    • 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
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:5012
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    5.5MB

    MD5

    2bdf829c337de3bc456c53a359642e85

    SHA1

    93a2bedf8a8ada449822c550f1d30ab4f2c7dcbd

    SHA256

    bd4bd6ad2cb358f8ba5765fcef2830782e253c6404ddc6fef49416e413d64bf5

    SHA512

    7b0d9439c8d0264743b260e20b293a5b35e5b7ba76bb65c1d525f10a63d18854c84075272b2e49dea11fa57a725acc4dc6080c712220e9d10121c3e5931b811c

  • 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

    82KB

    MD5

    8771cbe700850c64988e3ee8ea491ddb

    SHA1

    68e18c889a15846f7850b43434b89cda0fb96126

    SHA256

    0ae3685e76a8bc946ba3e0d8563315891cf6a5f8db83e8845fcf68f4192a5385

    SHA512

    acce8ad5c9a487cc4f7a64402b58b24a028a59e176c5d12994b42544fc5ef503faaa943b6e1ea0bf6f9855b4fdeeba6bb0e6e26c30496ef9327efb5578718750

  • memory/2140-385-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-455-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-390-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-409-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-418-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-420-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-421-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-387-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-531-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-526-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-527-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-528-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-529-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/2140-530-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/5012-0-0x0000000000400000-0x0000000000613000-memory.dmp

    Filesize

    2.1MB