Analysis

  • max time kernel
    119s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 05:15

General

  • Target

    1307dc4cf3dd489bdeabb018c2dc8ffd784655e51673afd483d84a420f6484c2.exe

  • Size

    90KB

  • MD5

    3766503a24e427a8c34cc9e2d6ccb082

  • SHA1

    58611eab743c886121e151a460798fa96a55eb6c

  • SHA256

    1307dc4cf3dd489bdeabb018c2dc8ffd784655e51673afd483d84a420f6484c2

  • SHA512

    ca662caba7931cd2baee605963d115d959f856bcd88abeae80a52d6e253ee3c550635e439c53af70c4629a2d18eb805f3bd8cd2b2979e37d95a522c698edba46

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE34

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 21 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\1307dc4cf3dd489bdeabb018c2dc8ffd784655e51673afd483d84a420f6484c2.exe
    "C:\Users\Admin\AppData\Local\Temp\1307dc4cf3dd489bdeabb018c2dc8ffd784655e51673afd483d84a420f6484c2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Users\Admin\AppData\Local\Temp\1307dc4cf3dd489bdeabb018c2dc8ffd784655e51673afd483d84a420f6484c2.exe
      "C:\Users\Admin\AppData\Local\Temp\1307dc4cf3dd489bdeabb018c2dc8ffd784655e51673afd483d84a420f6484c2.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\OSXEF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1584
        • 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:1940
      • 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:2972
        • 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:3012
        • 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:1776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    63af26ab2bc4f8a696a7ee497339af38

    SHA1

    c0047ab0840d4a817b0c58b43f17bb41bafb8c8b

    SHA256

    f39478188f2c9d2314c8db828a097c2bc4afa7cb73cbfed1da84043ffdb3b46a

    SHA512

    fba0f45f51ef730663b5ec3cc3bfeb972c12532cb1372debf9a3092dbfa94ad34f55c91353a21bab89c24523258c0f960e8bd9c86d560f06141e362b157c5fbd

  • memory/1776-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1776-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2392-156-0x0000000002D40000-0x0000000002D93000-memory.dmp

    Filesize

    332KB

  • memory/2392-157-0x0000000002D40000-0x0000000002D93000-memory.dmp

    Filesize

    332KB

  • memory/2392-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-158-0x0000000002D40000-0x0000000002D93000-memory.dmp

    Filesize

    332KB

  • memory/2392-154-0x0000000002D40000-0x0000000002D93000-memory.dmp

    Filesize

    332KB

  • memory/2392-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-146-0x0000000002D40000-0x0000000002D93000-memory.dmp

    Filesize

    332KB

  • memory/2392-147-0x0000000002D40000-0x0000000002D93000-memory.dmp

    Filesize

    332KB

  • memory/2392-148-0x0000000002D40000-0x0000000002D93000-memory.dmp

    Filesize

    332KB

  • memory/2392-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2392-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2392-149-0x0000000002D40000-0x0000000002D93000-memory.dmp

    Filesize

    332KB

  • memory/2880-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2880-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2880-42-0x0000000001BA0000-0x0000000001BA1000-memory.dmp

    Filesize

    4KB

  • memory/2880-25-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2880-91-0x0000000002500000-0x0000000002553000-memory.dmp

    Filesize

    332KB

  • memory/2880-62-0x00000000022C0000-0x00000000022C1000-memory.dmp

    Filesize

    4KB

  • memory/2880-72-0x00000000022E0000-0x00000000022E1000-memory.dmp

    Filesize

    4KB

  • memory/2880-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2880-80-0x0000000002340000-0x0000000002342000-memory.dmp

    Filesize

    8KB

  • memory/2880-30-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2880-27-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2880-26-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

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

    Filesize

    332KB

  • memory/2880-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2880-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2972-187-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2972-207-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2972-171-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2972-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2972-182-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2972-161-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/3012-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB