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Analysis

  • max time kernel
    119s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2024, 06:27

General

  • Target

    1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe

  • Size

    90KB

  • MD5

    a661b5cf789d66a437e9aa395ddf18a0

  • SHA1

    cdf8282bb48710514a8c455215eaca4b3f29319b

  • SHA256

    1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56

  • SHA512

    37962493bebcbde96f3963325f3c0affdca7b5730b966e60a689703bd10137089c89677fa363f315921279b0080aba6503dc3099c1c90462925f61db17b85279

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDh:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3H

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 20 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\1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe
    "C:\Users\Admin\AppData\Local\Temp\1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe
      "C:\Users\Admin\AppData\Local\Temp\1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1856
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BNOJH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2044
        • 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:2020
      • 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:3016
        • 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:1132
        • 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:972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    4d6b7eb7a8b49151b8b86f22be6b6470

    SHA1

    435b467bc026a21e0aed5ae4f1bf274fc898cfe1

    SHA256

    d5aca9b833fee00b2aaddabab3883466c275ed9dfcfd0608b4c2d556107ffe7c

    SHA512

    e012834dfbafe55a1275f2cbad4c8d53e1ad5f1cc093bf0a73942c5cd34070861ced6901322961c0caf1a6a962aa3b0e7b19ba69532030cf4e36bdc4d30c9f49

  • memory/972-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/972-250-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1132-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-249-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1856-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-244-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1856-214-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1856-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1856-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-89-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1856-248-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1856-145-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1856-146-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1856-147-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1856-148-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1856-149-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/1996-61-0x00000000004C0000-0x00000000004C1000-memory.dmp

    Filesize

    4KB

  • memory/1996-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1996-79-0x0000000000500000-0x0000000000502000-memory.dmp

    Filesize

    8KB

  • memory/1996-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1996-29-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/1996-41-0x0000000000480000-0x0000000000481000-memory.dmp

    Filesize

    4KB

  • memory/1996-15-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/1996-95-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1996-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1996-71-0x00000000004E0000-0x00000000004E1000-memory.dmp

    Filesize

    4KB

  • memory/1996-100-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1996-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1996-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1996-104-0x0000000002490000-0x00000000024E3000-memory.dmp

    Filesize

    332KB

  • memory/3016-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3016-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3016-167-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/3016-215-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3016-178-0x00000000006C0000-0x00000000006C1000-memory.dmp

    Filesize

    4KB

  • memory/3016-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB