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Analysis

  • max time kernel
    119s
  • max time network
    123s
  • 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, 20:44

General

  • Target

    12b39b53b5f8d6fb50dc6306e0c3ec9cfdfb034c0f76d2be71d31807719032ee.exe

  • Size

    90KB

  • MD5

    3783f53540d2dabcdbd882058685f0ee

  • SHA1

    886aa3b4383bb3dee9d3cf9677108986a890819a

  • SHA256

    12b39b53b5f8d6fb50dc6306e0c3ec9cfdfb034c0f76d2be71d31807719032ee

  • SHA512

    e6a8c6a00d94ee45f8eaeff995bfac0fd7fe0bc7a62e0e74ad3e468412e274b28e3a787765270ce47d1c669397f0395650dda0d4114bfac1bcfcea5385ddc272

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDQ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3W

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\12b39b53b5f8d6fb50dc6306e0c3ec9cfdfb034c0f76d2be71d31807719032ee.exe
    "C:\Users\Admin\AppData\Local\Temp\12b39b53b5f8d6fb50dc6306e0c3ec9cfdfb034c0f76d2be71d31807719032ee.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\12b39b53b5f8d6fb50dc6306e0c3ec9cfdfb034c0f76d2be71d31807719032ee.exe
      "C:\Users\Admin\AppData\Local\Temp\12b39b53b5f8d6fb50dc6306e0c3ec9cfdfb034c0f76d2be71d31807719032ee.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:316
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RFGCA.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3216
        • 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:3800
      • 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:3652
        • 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:4928
        • 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:4440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    50d7e206b3812c3939e6d9db934c6acd

    SHA1

    2d4146e713facb52ece0b916809c46c54e795df3

    SHA256

    7e96fda987276f4a9352cdc295ca9110190fdfe8a35fb8d9a35699b11d589a66

    SHA512

    50613ae888f721db639737fe407c9160bdcd6b01dc3cdb4e89274ce578523d68e18597b3ca1316dbcc45fb6f0c4cfe99a18769f8aa2dad6167e39323dde67a0d

  • memory/316-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/316-57-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/316-38-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/316-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/316-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/316-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1128-4-0x0000000002A40000-0x0000000002A42000-memory.dmp

    Filesize

    8KB

  • memory/1128-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1128-6-0x0000000002A60000-0x0000000002A62000-memory.dmp

    Filesize

    8KB

  • memory/1128-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1128-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1128-3-0x0000000002A30000-0x0000000002A32000-memory.dmp

    Filesize

    8KB

  • memory/3652-39-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3652-56-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3652-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4440-49-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4440-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4440-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4440-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4440-44-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4440-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4928-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB