Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 23:50

General

  • Target

    1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe

  • Size

    90KB

  • MD5

    7cca5c42300bb7ae0bdc7c8afcad3485

  • SHA1

    ddb9d96c67639283c6b286f96b52f84c030661e0

  • SHA256

    1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35

  • SHA512

    ae924737df9d07feb874f4838e472a16e56a8afd11ac25fa0bcfb1010f283d13f0da5b3fd234fdffd78447d09456c2381f7b89042ce5418d517cd27810f7439f

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDx:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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\1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe
    "C:\Users\Admin\AppData\Local\Temp\1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe
      "C:\Users\Admin\AppData\Local\Temp\1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BMRNB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1268
        • 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:2956
      • 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:1992
        • 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:3032
        • 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:1616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a50b2ce7dcc89af63ea9c04e7786aa2d

    SHA1

    5a2a342e6dc114e9c9235ab5a28c040d6b24930d

    SHA256

    a590c7cc7f18b3c60190133b7594ad302d1a12d85e1feff8c978d908dafc2f98

    SHA512

    31c3d7c9a3a168af0b429caa19b7b2fc46d2ae54a03d8504503add8cf31c6d624ba323ec6eb32de0fb38ad5aa7521a65f51116c9af9bb6852fdcc64d13cb2321

  • memory/1616-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1616-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1992-169-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1992-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1992-233-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1992-159-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1992-180-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2324-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-15-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2324-18-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2324-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-80-0x0000000001C60000-0x0000000001C62000-memory.dmp

    Filesize

    8KB

  • memory/2324-108-0x0000000002780000-0x00000000027D3000-memory.dmp

    Filesize

    332KB

  • memory/2324-71-0x0000000001C00000-0x0000000001C01000-memory.dmp

    Filesize

    4KB

  • memory/2324-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2324-41-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2324-35-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-28-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2324-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2324-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2644-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-151-0x0000000003380000-0x00000000033D3000-memory.dmp

    Filesize

    332KB

  • memory/2644-150-0x0000000003380000-0x00000000033D3000-memory.dmp

    Filesize

    332KB

  • memory/2644-149-0x0000000003380000-0x00000000033D3000-memory.dmp

    Filesize

    332KB

  • memory/2644-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-152-0x0000000003380000-0x00000000033D3000-memory.dmp

    Filesize

    332KB

  • memory/2644-232-0x0000000003380000-0x00000000033D3000-memory.dmp

    Filesize

    332KB

  • memory/2644-231-0x0000000003380000-0x00000000033D3000-memory.dmp

    Filesize

    332KB

  • memory/2644-230-0x0000000003380000-0x00000000033D3000-memory.dmp

    Filesize

    332KB

  • memory/2644-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3032-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB