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Analysis

  • max time kernel
    3s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 03:07

General

  • Target

    25c2cb4f8d5065c286d0b9592d9e87c3.exe

  • Size

    31KB

  • MD5

    25c2cb4f8d5065c286d0b9592d9e87c3

  • SHA1

    0a661db38fb68a4c5f34e906f0abae9f534fa1bd

  • SHA256

    013bf1d566645964f4dc1cfd31d16badad06dffeb0c2aece57f6a7066e02776b

  • SHA512

    dc8571a5410a9a2cf2354122a12486df43fe85c5a4be23e7290687b7acefbec28c2cb3c9b44ecfff95357e1768436ce96f1e3ac6812129f936d69c71d1653593

  • SSDEEP

    384:sy1/LoKfNC/gOlkikHX9Pzf8Xk1X4ViA+oo//xxjAaPnc9+TOQVswSk9uQbjth7m:sj/g8gHCXk1Xb7CxeswN9gx

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25c2cb4f8d5065c286d0b9592d9e87c3.exe
    "C:\Users\Admin\AppData\Local\Temp\25c2cb4f8d5065c286d0b9592d9e87c3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\25c2cb4f8d5065c286d0b9592d9e87c3.exe
      "C:\Users\Admin\AppData\Local\Temp\25c2cb4f8d5065c286d0b9592d9e87c3.exe"
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2176
  • C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\25C2CB~1.EXE" >> NUL
    1⤵
    • Deletes itself
    PID:2892
  • C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    1⤵
    • Loads dropped DLL
    PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2176-38-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2176-36-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2176-32-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2176-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2176-26-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2176-23-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2548-20-0x00000000005D0000-0x00000000005E0000-memory.dmp

    Filesize

    64KB

  • memory/2548-22-0x00000000005D0000-0x00000000005E0000-memory.dmp

    Filesize

    64KB

  • memory/2548-24-0x00000000005D0000-0x00000000005E0000-memory.dmp

    Filesize

    64KB

  • memory/2548-19-0x00000000005D0000-0x00000000005E0000-memory.dmp

    Filesize

    64KB

  • memory/2676-39-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB