Analysis

  • max time kernel
    118s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2025 10:04

General

  • Target

    4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe

  • Size

    90KB

  • MD5

    8491969f71c6d327e4ec36c664d38b5f

  • SHA1

    dec29db0d661b2167b7de21f3e2fddaae749d084

  • SHA256

    4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31

  • SHA512

    ae131394193e2464c546a2dba4b3ae66a9cecbd56e48af85712f4e2a984ed608ffd385051b8a8aeeaccb14731271d22fd2387b631a00b04349a9a32891129605

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD9:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3L

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 22 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe
    "C:\Users\Admin\AppData\Local\Temp\4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:300
    • C:\Users\Admin\AppData\Local\Temp\4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe
      "C:\Users\Admin\AppData\Local\Temp\4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BGUUI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2896
        • 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:1844
      • 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:2880
        • 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:2108
        • 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:1344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BGUUI.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    c187260c3a0db0f651ea738d1f44fc5f

    SHA1

    ada9a59b9bdada98fcfaa9f373aa8714d93c7945

    SHA256

    f3997ff2f2365d65f7b2d7afa5f44f525c4a5a151ece55c398eaa50ed67ac27b

    SHA512

    ad8221c22ee6af3b06303652b9ee564b54c6a17e876241c884b7b10662b465f9b0042c4539a5889059e8d3766efb2bbd58fa5ba170a4abb8fdffd2b5ddbd75ba

  • memory/300-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/300-109-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/300-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/300-60-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/300-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/300-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/300-70-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/300-28-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/300-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/300-13-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/300-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/300-103-0x0000000001E10000-0x0000000001E63000-memory.dmp

    Filesize

    332KB

  • memory/300-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/300-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/300-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/300-16-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/300-79-0x0000000000360000-0x0000000000362000-memory.dmp

    Filesize

    8KB

  • memory/1344-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1344-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2108-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2600-151-0x00000000028E0000-0x0000000002933000-memory.dmp

    Filesize

    332KB

  • memory/2600-150-0x00000000028E0000-0x0000000002933000-memory.dmp

    Filesize

    332KB

  • memory/2600-149-0x00000000028E0000-0x0000000002933000-memory.dmp

    Filesize

    332KB

  • memory/2600-148-0x00000000028D0000-0x0000000002923000-memory.dmp

    Filesize

    332KB

  • memory/2600-155-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-247-0x00000000028D0000-0x0000000002923000-memory.dmp

    Filesize

    332KB

  • memory/2600-249-0x00000000028E0000-0x0000000002933000-memory.dmp

    Filesize

    332KB

  • memory/2600-248-0x00000000028E0000-0x0000000002933000-memory.dmp

    Filesize

    332KB

  • memory/2600-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-168-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2880-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2880-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2880-179-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/2880-158-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB