Analysis

  • max time kernel
    110s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 05:21

General

  • Target

    c7cebe2dda8807fc5a6710d3579b12475889f8cd6f0c760392f1ef079f484f3a.exe

  • Size

    473KB

  • MD5

    ee35469750f748d3818bbdc90bbb8811

  • SHA1

    3daf17948925da136c637485fcacfe78721b3318

  • SHA256

    c7cebe2dda8807fc5a6710d3579b12475889f8cd6f0c760392f1ef079f484f3a

  • SHA512

    ff822ab6c384d15adfbe3a40db38e10296d571a77cb9cca0cd036431ca5902c82f89e25c24deac9734bda118d27d2a77b37b7058ec308c577752b783135c6466

  • SSDEEP

    6144:m080fgrQDGYiHhRifG9rXdukVSuTahdFu+qQbdy5SahDbyLxoROmeOprx3v0:IygW7iHhMfuuUSuTuJqQZy5SfOROj

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 3 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Drops file in Drivers directory 1 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 autorun.inf file 1 TTPs 6 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • UPX packed file 5 IoCs

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

  • 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 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7cebe2dda8807fc5a6710d3579b12475889f8cd6f0c760392f1ef079f484f3a.exe
    "C:\Users\Admin\AppData\Local\Temp\c7cebe2dda8807fc5a6710d3579b12475889f8cd6f0c760392f1ef079f484f3a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
      "C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe"
      2⤵
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:4020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe

    Filesize

    473KB

    MD5

    ee35469750f748d3818bbdc90bbb8811

    SHA1

    3daf17948925da136c637485fcacfe78721b3318

    SHA256

    c7cebe2dda8807fc5a6710d3579b12475889f8cd6f0c760392f1ef079f484f3a

    SHA512

    ff822ab6c384d15adfbe3a40db38e10296d571a77cb9cca0cd036431ca5902c82f89e25c24deac9734bda118d27d2a77b37b7058ec308c577752b783135c6466

  • C:\vcredist2010_x86.log.html

    Filesize

    82KB

    MD5

    a69143eef260d5e6af698466e8e2df8f

    SHA1

    b1439412007afcee450925d77c3b40bacd74bd58

    SHA256

    3c833d78b126c828e85db01e864661fcf39de80a0cab098dd713bb8b04c0fa4f

    SHA512

    bbd3b610d72c3191f1fbfb6661503db6c7b0af2a7b3a80ca051f43e88811db21011c70d293eb2e1ccd229e52d57d65c193ae0bbe410fea4651de820455fb6ab7

  • memory/1284-0-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1284-13-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/4020-346-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/4020-487-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB