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Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 20:34

General

  • Target

    9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe

  • Size

    90KB

  • MD5

    d0a420d68298f5d694777d423895de00

  • SHA1

    cc3e266659ad6177e9f9bb828067ffa85dd34719

  • SHA256

    9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771

  • SHA512

    b5aaabdf8e36cf757332f5aca87a196f0b0f125fad4cb63bfc2931d1ec8c306ecc12cc3d58de7529ce78a791d766a73ad712c6ab7b903bacdd41686ddcb66cfb

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • 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\9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
    "C:\Users\Admin\AppData\Local\Temp\9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Users\Admin\AppData\Local\Temp\9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
      "C:\Users\Admin\AppData\Local\Temp\9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1352
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FAPUN.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4720
        • 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:396
      • 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:4180
        • 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:4404
        • 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:1888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    730af0a34bdda85adbbbc3531d98dece

    SHA1

    c027af443a0fe6f4694a4b0a4ce83ae3d945f7f2

    SHA256

    51122380220b20a0832b86d7aba52ac3c0b4d5760547d057e7f71e923d580aa4

    SHA512

    d98640084f073deccfd88494f38519734ad90364c83957db9d2c624c255c49b194ab37f922a350ddb1791aebe5c468e16ccd32c947f3e0f8f7b940fb56f182b9

  • memory/1352-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1352-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1352-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1352-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1352-62-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1352-60-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/1888-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1888-64-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1888-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1888-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1888-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1888-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3116-14-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3116-5-0x0000000002B80000-0x0000000002B82000-memory.dmp

    Filesize

    8KB

  • memory/3116-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

    Filesize

    8KB

  • memory/3116-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

    Filesize

    8KB

  • memory/3116-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3116-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4180-36-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4180-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4180-59-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4180-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4404-63-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB