Analysis

  • max time kernel
    120s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 18:58

General

  • Target

    29f39e6aa97ba01ff59a1359f9d6645f96bed6f6dc84d90fec449ee57b3ad5c3.exe

  • Size

    68KB

  • MD5

    5093915687785bfa1889807eb59599b9

  • SHA1

    76122b72f108eeea909b8ef681b70d21683c0a04

  • SHA256

    29f39e6aa97ba01ff59a1359f9d6645f96bed6f6dc84d90fec449ee57b3ad5c3

  • SHA512

    0643557d8ddc429f505ddb35ac85491cd1ba627b0d9bdc52e8d45c92dc4b1c9ef749bc7e5ec4d8ac5c36f61ddcd776a160cfbf0dd830addcb9da1369aa3c6e76

  • SSDEEP

    768:IbFKs1UJ/TdNkn+75rrmbWYxbQH37UDMs10Px9wCe4ixD63twou4:ISdNd74bTxku0WlxDMtS4

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 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
  • 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).

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29f39e6aa97ba01ff59a1359f9d6645f96bed6f6dc84d90fec449ee57b3ad5c3.exe
    "C:\Users\Admin\AppData\Local\Temp\29f39e6aa97ba01ff59a1359f9d6645f96bed6f6dc84d90fec449ee57b3ad5c3.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\heiihu.exe
      "C:\Users\Admin\heiihu.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\heiihu.exe

    Filesize

    68KB

    MD5

    0cf7f2123334c3747258ebe87047c214

    SHA1

    85f1a8f169eac1db97a752128fe66f0ec14d43b4

    SHA256

    d4d0c973860d6fd6dc688d1064e9041f98c535cbb303ae5241add06233716a35

    SHA512

    5e358cf929b8e8b9e89317d25acb877fe07f5447596c3fa3fcebb11f7c4f433b9ab2d38a5a7a17f30f603903c898ecdde7832751116889cd39f83686379d0fcd