Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-01-2025 14:45

General

  • Target

    f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe

  • Size

    90KB

  • MD5

    3f667b7a1b17fffa4cabe48898adb95f

  • SHA1

    10ab9afe4171d689ce72f10f261a66b3502daf24

  • SHA256

    f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea

  • SHA512

    801823e644807af47d7b604dee5f343cde97f436942b64a320d322d4f1824b250d9f3f7958cf91b3bcff2b51b92065a45e29ab3a0eae455947575cf68c182e5b

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDh: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 2 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 25 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\f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe
    "C:\Users\Admin\AppData\Local\Temp\f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Users\Admin\AppData\Local\Temp\f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe
      "C:\Users\Admin\AppData\Local\Temp\f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BVTSW.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1064
        • 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:2776
      • 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:2936
        • 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:2544
        • 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:1008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    c784664138ba0af84717ecfbe6f8cde3

    SHA1

    16463ef8efbe198de63273c8292cc98ae18af8b7

    SHA256

    0d64bd3ff8ef928c261aeec385f8c7969921af510799e5b8e219706bcd173ad9

    SHA512

    f078a6856fceb503146b21e5de8bd37b117550d496aeb4aef1f5f681a608436e68f73e4a8a5df762a8bb70bd068305f3f9d104f50ccb0565b4210c480222f30b

  • memory/1008-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1008-259-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1784-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1784-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1784-107-0x00000000027A0000-0x00000000027F3000-memory.dmp

    Filesize

    332KB

  • memory/1784-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1784-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1784-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1784-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1784-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1784-29-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/1784-27-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1784-53-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/1784-30-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/1784-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1784-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1784-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1784-67-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1784-60-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/1784-52-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/1784-45-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/1784-40-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1784-35-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1784-31-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/2544-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2656-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-152-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-151-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-150-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-149-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-157-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-219-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-216-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-215-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-258-0x0000000003460000-0x00000000034B3000-memory.dmp

    Filesize

    332KB

  • memory/2656-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2936-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2936-220-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB