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Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2025, 05:38

General

  • Target

    a8ba66d4f201e4653f12d90e63d04892871c60289b6c10d85ae0c85705a0233d.exe

  • Size

    90KB

  • MD5

    fc4ffbcbdac28efd3e6356060b553889

  • SHA1

    c462ee140d06c4dd7e16d8752df23e64ce3bd2b5

  • SHA256

    a8ba66d4f201e4653f12d90e63d04892871c60289b6c10d85ae0c85705a0233d

  • SHA512

    28c29dc68b2656a80b9c7ec6871a6e4ec9f8f86794bacee7f9f1b81d29f1adc4bfa321ee03a7f72ca3763cfaf4ed44f20d9f6857b78fda1d4c7eabb2c7e6df87

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3j

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\a8ba66d4f201e4653f12d90e63d04892871c60289b6c10d85ae0c85705a0233d.exe
    "C:\Users\Admin\AppData\Local\Temp\a8ba66d4f201e4653f12d90e63d04892871c60289b6c10d85ae0c85705a0233d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\a8ba66d4f201e4653f12d90e63d04892871c60289b6c10d85ae0c85705a0233d.exe
      "C:\Users\Admin\AppData\Local\Temp\a8ba66d4f201e4653f12d90e63d04892871c60289b6c10d85ae0c85705a0233d.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XNOLU.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4232
        • 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:2156
      • 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:2204
        • 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:4020
        • 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:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    22788f85660a1d32280c2c9b097ff085

    SHA1

    8f9ccc165d618eb42fc164f9e30240f8b947ef64

    SHA256

    651a3da379042659bc19d1fb4d843489f9ece2a4c5a411242dfa401c1889194f

    SHA512

    1f48e9914cbf90b46fe208bad013705a8855f217cc921d06bb8573a8957f230d818d6b8d10593c4626f007d007e0bd6eb94213607e2a8b700b721aa1e8c73fc1

  • memory/748-12-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/748-55-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/748-57-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/748-38-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/748-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/748-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2204-39-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2204-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2204-50-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-4-0x0000000002430000-0x0000000002432000-memory.dmp

    Filesize

    8KB

  • memory/2356-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

    Filesize

    8KB

  • memory/2356-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-3-0x0000000002420000-0x0000000002422000-memory.dmp

    Filesize

    8KB

  • memory/2356-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-49-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2440-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2440-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2440-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2440-43-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2440-60-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4020-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB