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Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2025, 20:11

General

  • Target

    cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe

  • Size

    326KB

  • MD5

    af37f384c70c6c25aa664e99c6d5f720

  • SHA1

    0995917956212d7dd84252b16b8f320690a55831

  • SHA256

    cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913e

  • SHA512

    d384330587333e669eab83f7199cf991eb225f2d6d0e52b7f5de80066458bbdc37d027b8cc4ee7c89d865a4002dafa61560e56d5bfa863f5f78de886319ccb45

  • SSDEEP

    3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVJ:h0sxD5cwohO+O1sVG0/pZ6iPC8c

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 20 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe
    "C:\Users\Admin\AppData\Local\Temp\cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Users\Admin\AppData\Local\Temp\cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe
      "C:\Users\Admin\AppData\Local\Temp\cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4768
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VIKFD.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4952
        • 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
          • System Location Discovery: System Language Discovery
          PID:464
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2988
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3000
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    2627e65c2d5f9ef140db97dadda5cb41

    SHA1

    af25a33d5cb3ef57075ea013f910491d223d90ae

    SHA256

    9f77092b3fd465422b22eb60511a0027e9ae0dc54513bf97b45d45f77675bb08

    SHA512

    85989cbd04bc51ad08e12fa61f9759bb76ba473ba89cb2cc919ef802f428ee1abcc4160cbbe2782d5fecb7b2695aca4ab86460a34be805eb857a68716c68e339

  • memory/2536-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2536-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2536-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2536-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2536-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2536-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2988-40-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2988-56-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2988-41-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2988-35-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/3000-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4756-5-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4756-14-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4756-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4756-6-0x0000000002420000-0x0000000002422000-memory.dmp

    Filesize

    8KB

  • memory/4756-4-0x0000000002400000-0x0000000002402000-memory.dmp

    Filesize

    8KB

  • memory/4756-3-0x00000000023F0000-0x00000000023F2000-memory.dmp

    Filesize

    8KB

  • memory/4768-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4768-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4768-58-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4768-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4768-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB