Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2022 14:52

General

  • Target

    d815e19001ebfa5ca5d24aa83a26f33ae886e18ef663da095ed04d37c0d7ce33.exe

  • Size

    37KB

  • MD5

    ec2c3adc5d23220b641a492f40139185

  • SHA1

    139036b52b605733756a0cf04db7a007abd7c978

  • SHA256

    d815e19001ebfa5ca5d24aa83a26f33ae886e18ef663da095ed04d37c0d7ce33

  • SHA512

    12310959bc8a18aba59af845b98b02c66c1db19961794e65653ff46711d4df9418fb8815fcc27d59d7c9b389e36508025b6aa0b7af65778da483a25cbb538593

  • SSDEEP

    768:shDpcmvSmmlm/16RhJdcnfxxxxxFOTeS/ekU+QSta58bsap5wFn8iFJzul6rwZ:mKmmlm/cXJdcHkU+QS3/p5wFn8iF26rk

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d815e19001ebfa5ca5d24aa83a26f33ae886e18ef663da095ed04d37c0d7ce33.exe
    "C:\Users\Admin\AppData\Local\Temp\d815e19001ebfa5ca5d24aa83a26f33ae886e18ef663da095ed04d37c0d7ce33.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3876

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe
    Filesize

    37KB

    MD5

    ec2c3adc5d23220b641a492f40139185

    SHA1

    139036b52b605733756a0cf04db7a007abd7c978

    SHA256

    d815e19001ebfa5ca5d24aa83a26f33ae886e18ef663da095ed04d37c0d7ce33

    SHA512

    12310959bc8a18aba59af845b98b02c66c1db19961794e65653ff46711d4df9418fb8815fcc27d59d7c9b389e36508025b6aa0b7af65778da483a25cbb538593

  • C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe
    Filesize

    37KB

    MD5

    ec2c3adc5d23220b641a492f40139185

    SHA1

    139036b52b605733756a0cf04db7a007abd7c978

    SHA256

    d815e19001ebfa5ca5d24aa83a26f33ae886e18ef663da095ed04d37c0d7ce33

    SHA512

    12310959bc8a18aba59af845b98b02c66c1db19961794e65653ff46711d4df9418fb8815fcc27d59d7c9b389e36508025b6aa0b7af65778da483a25cbb538593

  • memory/2220-133-0x00007FFE4D6F0000-0x00007FFE4E126000-memory.dmp
    Filesize

    10.2MB

  • memory/3876-134-0x0000000000000000-mapping.dmp
  • memory/3876-137-0x00007FFE4D6F0000-0x00007FFE4E126000-memory.dmp
    Filesize

    10.2MB