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Analysis

  • max time kernel
    119s
  • 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
    16/12/2024, 10:44

General

  • Target

    56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe

  • Size

    90KB

  • MD5

    7f233fd428b4bf3431f4b76a72bb8280

  • SHA1

    d968746ae30f5993707dd5b526648fba2b832aaa

  • SHA256

    56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2

  • SHA512

    eb4a4d7eb5d987898202e87faaeba143fa230fe0ce4810516efd668ed03a92430087489b2f7f182e6ab50c0d99b7a66baf561db62489601134b20dd017639c38

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3d

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 19 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\56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe
    "C:\Users\Admin\AppData\Local\Temp\56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe
      "C:\Users\Admin\AppData\Local\Temp\56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3460
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FQVRF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4244
        • 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:3336
      • 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:5060
        • 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:2968
        • 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:772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a890953634b5478034d2dc53c2e5853e

    SHA1

    2eeec5847a59e9dab7a10224407cbdd28a8dc17f

    SHA256

    e4b3fa590ad2a18f0e04bf469dd40b26c3fdac40503df29997334b4616795965

    SHA512

    ff9e17dd526faaf6041345a132e91c3f70d04744425b32b6e948a88c8cee0260e6dd3ff6d90bc495837cda23a7fc548d22074bba66b331c8a019b2ebb3ce6433

  • memory/772-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/772-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/772-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/772-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/772-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/772-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2968-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3460-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3460-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3460-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3460-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3460-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4000-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4000-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

    Filesize

    8KB

  • memory/4000-4-0x0000000002B80000-0x0000000002B82000-memory.dmp

    Filesize

    8KB

  • memory/4000-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4000-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

    Filesize

    8KB

  • memory/4000-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/5060-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/5060-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/5060-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB