Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 21:37

General

  • Target

    44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe

  • Size

    326KB

  • MD5

    c6588d4ae439c37ff1fc9d701d077fc3

  • SHA1

    90bd7e211b9e7c7e65d650c531db6bc9d689d5d4

  • SHA256

    44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1

  • SHA512

    b09635c1910bc0e480e991ed6d7f7e4f62bac7cd78697a5bfe804b7fe5f51ae0151c17174b4e21db3c51caada9da4d7d48d8e6b3e99e0f372bba8d5c0238291d

  • SSDEEP

    3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Detects Windows executables referencing non-Windows User-Agents 4 IoCs
  • ModiLoader Second Stage 4 IoCs
  • UPX dump on OEP (original entry point) 17 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe
    "C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe
      "C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4144
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EIOBN.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3844
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          PID:432
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1604
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4652
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:3164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\EIOBN.txt

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    326KB

    MD5

    38b8f69eab4939d19a96344e7e415eb4

    SHA1

    ae4f083ed7d47670c6a2b0fba29d5224303b7426

    SHA256

    ee51e9079f4e92c12e5645e086d87b5cd8fa9aad04d3e861b4c8bcac78d41e1e

    SHA512

    51abeeeb6d5af65ad3fd7724f2b06a83428f4159d8e05e9c11755c003413337991215d3f1f01c1806876a56a94b2a8914633a77f9e8f0e36a8958b42312941d8

  • memory/864-4-0x00000000021B0000-0x00000000021B2000-memory.dmp

    Filesize

    8KB

  • memory/864-5-0x00000000021C0000-0x00000000021C2000-memory.dmp

    Filesize

    8KB

  • memory/864-7-0x00000000021D0000-0x00000000021D2000-memory.dmp

    Filesize

    8KB

  • memory/864-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/864-8-0x00000000021E0000-0x00000000021E2000-memory.dmp

    Filesize

    8KB

  • memory/864-11-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1604-34-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1604-47-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1604-45-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/3164-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3164-43-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3164-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3164-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3164-59-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3164-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4144-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4144-57-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4144-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4144-3-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4652-58-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB