Analysis

  • max time kernel
    156s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 20:01

General

  • Target

    72aa8d18265109bfa5401eff0108e55dc59e3334aa278e54e00bb3718a0212a3.exe

  • Size

    452KB

  • MD5

    c38910ed1d6f156a07c59b1d8b5164ba

  • SHA1

    76993b99f5a438879bff258d7eb2203533e3681f

  • SHA256

    72aa8d18265109bfa5401eff0108e55dc59e3334aa278e54e00bb3718a0212a3

  • SHA512

    6946789b6d58bb58d1992e9388965cad25a6a5b10a874738d6dccd74120ee322d76985305410af1b412eb2d996abcab42b414ef9a528d11084d685af33f81183

  • SSDEEP

    6144:/vPBvEQR6H3Udg2FuHRfepwqHpA7b2+yO2COKCZy:/vpv/R6H3U25fehHpAW+yOBOKCZy

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72aa8d18265109bfa5401eff0108e55dc59e3334aa278e54e00bb3718a0212a3.exe
    "C:\Users\Admin\AppData\Local\Temp\72aa8d18265109bfa5401eff0108e55dc59e3334aa278e54e00bb3718a0212a3.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Users\Admin\AppData\Local\Temp\elxplorergnyob.exe
      "C:\Users\Admin\AppData\Local\Temp\elxplorergnyob.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\elxplorergnyob.exe

    Filesize

    452KB

    MD5

    3106e65d64ab3451f0e8166d917dd380

    SHA1

    4e741230efb841ffc6e3f35e8d9b43f98466c920

    SHA256

    a10bcc31e883fe6349e3745342c029814cfcde753bc9e5ea6c08799a62e8e9e3

    SHA512

    a0d45847da850cd0d388a56120da2a35169e9b063394ca5444f63d967f3c4647fe19a72c76d4c2c6a73c164e9f4568055ec1fa18b710f646123dc2c467be82ea

  • C:\Users\Admin\AppData\Local\Temp\lpath.ini

    Filesize

    102B

    MD5

    b031d4439d83d83f9a0f25803a5d6f6d

    SHA1

    2bd444bdb10eca71aa20aeeb65ac25bf06d52e2a

    SHA256

    2e17386ca019cff5757015385d4cbbd39ff2834a6bf542e0d883c871ad188fa0

    SHA512

    c5b3a8155f1a46da8968a8e1d98725f942cd07b04356d3336c47ea0b3a4dd1dc726084a62fd71faa1d2e9d19817bd13300b8cafbe7d2434e8803fc276e236ed0

  • memory/2012-55-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4880-0-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4880-43-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB