Analysis

  • max time kernel
    161s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 01:07

General

  • Target

    ca18f519db12bb3291d96f9acdb9cb3d.dll

  • Size

    153KB

  • MD5

    ca18f519db12bb3291d96f9acdb9cb3d

  • SHA1

    be38cd7494591911cd757c014dd60db2f63cad99

  • SHA256

    5cbd35bcaf678d7f516b2429ed7ce6221f7fbacce57b812780a7dd3f9bb32e2e

  • SHA512

    55b93afc201af28a5f64b4cc6d6b63187dca323925cb362d8b69c29b4c59419db2589dbdfb5f39ef3fe9d93094d5c74933d7d42e6d7a31bd740eb4e7efbed2aa

  • SSDEEP

    3072:aKXaEtJmw3fe/YEMFVFAJZv0v2opFTBftxvkKJemUQxUa7:9htjewEMf9v2opFTBlxvkZxa7

Score
10/10

Malware Config

Signatures

  • Gh0st RAT payload 2 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Drops file in System32 directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca18f519db12bb3291d96f9acdb9cb3d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca18f519db12bb3291d96f9acdb9cb3d.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 616
        3⤵
        • Program crash
        PID:4412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 616
        3⤵
        • Program crash
        PID:1008
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1312 -ip 1312
      1⤵
        PID:4128

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1312-0-0x0000000010000000-0x0000000010028000-memory.dmp

        Filesize

        160KB

      • memory/1312-2-0x0000000010000000-0x0000000010028000-memory.dmp

        Filesize

        160KB