Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 18:09

General

  • Target

    ArcelorMittal Trading - ARMT#4562198.exe

  • Size

    120KB

  • MD5

    04a2e456c4d65d43e9217eac7d90f9cb

  • SHA1

    42320cbab30a997244f3aa370f28ee8fb425efb5

  • SHA256

    154c8ad4fe041cb711c139005c210a63f15c3c030cab34e358256c4375a06aba

  • SHA512

    f25cb6e5ed0cf45e084576dec7f8ad53cdca44796c59552ee025fe17871754c9d1419a0a436e0c57ef9fccb675dd55de3b9d9b0ecb9a99ba0ae48f1611c58266

  • SSDEEP

    768:u3YiUCYV5XSEN95IQtkvQhHv1TfXRjMWzeIBglpbmAFDEF2HnA8iyB:u3YiJYVlLIW5RjoTlpyAa8ArU

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1j83rG290csClfgpn9KyBz4qM42B1dx2W

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ArcelorMittal Trading - ARMT#4562198.exe
    "C:\Users\Admin\AppData\Local\Temp\ArcelorMittal Trading - ARMT#4562198.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\ArcelorMittal Trading - ARMT#4562198.exe
      "C:\Users\Admin\AppData\Local\Temp\ArcelorMittal Trading - ARMT#4562198.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1600-2-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/1600-3-0x0000000077D21000-0x0000000077E41000-memory.dmp

    Filesize

    1.1MB

  • memory/1600-4-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/1600-6-0x0000000077D21000-0x0000000077E41000-memory.dmp

    Filesize

    1.1MB

  • memory/3056-7-0x0000000000400000-0x00000000004E7000-memory.dmp

    Filesize

    924KB

  • memory/3056-8-0x00000000004F0000-0x00000000005F0000-memory.dmp

    Filesize

    1024KB