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
    11-11-2024 21:01

General

  • Target

    b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe

  • Size

    90KB

  • MD5

    bc02996392c4e888ef2d40d484543058

  • SHA1

    e488c426f36a03925abf1abf22878af5c8246d27

  • SHA256

    b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c

  • SHA512

    551291b40eff9f617a4b5c7f658d196ae26bb786de1023b8ef61707e78430ac5d3778aabecc30ac4b90a16102c47c76deca4ab9e3d55e5b11812745c41027685

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe
    "C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe
      "C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\YMNIG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:840
        • 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:2960
      • 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:912
        • 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:888
        • 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\YMNIG.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e52a9d9dfc2829e6fa6fc95cedc7c932

    SHA1

    48e3fdeace89f7cd38ef79d5c8b950224f5d8692

    SHA256

    c4b793f9a35907934d5cc96d2bced2a69a0adeb37e4e566978e647557e6cf773

    SHA512

    98ff2fffdd4358104b63d13c18d68badc700d434661483e575ea9c326cf6415373e79aa3fbecbf9418056e28ec77e00a28796b2ea27146b2486a8b1cc8d93bb9

  • memory/888-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/888-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/912-180-0x0000000001B80000-0x0000000001B81000-memory.dmp

    Filesize

    4KB

  • memory/912-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/912-159-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/912-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/912-169-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/1344-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1344-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2692-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2692-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2692-155-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-80-0x0000000000320000-0x0000000000322000-memory.dmp

    Filesize

    8KB

  • memory/2692-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-71-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2692-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2692-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2692-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2692-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2748-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-149-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2748-148-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2748-135-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2748-150-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2748-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-151-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2748-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-252-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2748-251-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2748-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2748-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB