Analysis

  • max time kernel
    143s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 04:26

General

  • Target

    281c2e683cd34ffe27a3f4158cc694b2.exe

  • Size

    32KB

  • MD5

    281c2e683cd34ffe27a3f4158cc694b2

  • SHA1

    03c613451d420bb0d47263a0d2d37fdd85dbebf8

  • SHA256

    a73bf74ad6e1064bae65676feb50da619953869804c578fad45e468efe44e1a8

  • SHA512

    4d4f1faed153c2a609e93ce08524392743dc251342c6fc0ddeabaee94becde11716815750d9acd3948b82ce61df67f918681b3698102f8c27f4c5923ce9b2956

  • SSDEEP

    384:qWRG4HJzhJORMQ+rqENsNv3jgP/hHIqpDkiuiXte8Fb1/6qsv4AnCjNe9XaktPTD:M4HJzSKBqoYPS/fpVuiXk8F3kwCa0nPH

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\281c2e683cd34ffe27a3f4158cc694b2.exe
    "C:\Users\Admin\AppData\Local\Temp\281c2e683cd34ffe27a3f4158cc694b2.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\Passepartout.exe
      "C:\Windows\Passepartout.exe" -A
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Passepartout.exe

    Filesize

    32KB

    MD5

    281c2e683cd34ffe27a3f4158cc694b2

    SHA1

    03c613451d420bb0d47263a0d2d37fdd85dbebf8

    SHA256

    a73bf74ad6e1064bae65676feb50da619953869804c578fad45e468efe44e1a8

    SHA512

    4d4f1faed153c2a609e93ce08524392743dc251342c6fc0ddeabaee94becde11716815750d9acd3948b82ce61df67f918681b3698102f8c27f4c5923ce9b2956

  • memory/2008-18-0x0000000002050000-0x0000000002059000-memory.dmp

    Filesize

    36KB

  • memory/2008-19-0x0000000002050000-0x0000000002059000-memory.dmp

    Filesize

    36KB

  • memory/2008-0-0x0000000000010000-0x0000000000029000-memory.dmp

    Filesize

    100KB

  • memory/2008-17-0x0000000002050000-0x0000000002059000-memory.dmp

    Filesize

    36KB

  • memory/2008-16-0x0000000002050000-0x0000000002059000-memory.dmp

    Filesize

    36KB

  • memory/2008-20-0x0000000002050000-0x0000000002059000-memory.dmp

    Filesize

    36KB

  • memory/2008-5-0x0000000002050000-0x0000000002059000-memory.dmp

    Filesize

    36KB

  • memory/2008-21-0x0000000000010000-0x0000000000029000-memory.dmp

    Filesize

    100KB

  • memory/2008-33-0x0000000003FA0000-0x0000000003FB9000-memory.dmp

    Filesize

    100KB

  • memory/2008-32-0x0000000000010000-0x0000000000029000-memory.dmp

    Filesize

    100KB

  • memory/2008-31-0x0000000003FA0000-0x0000000003FB9000-memory.dmp

    Filesize

    100KB

  • memory/2680-34-0x0000000000010000-0x0000000000029000-memory.dmp

    Filesize

    100KB

  • memory/2680-35-0x0000000000010000-0x0000000000029000-memory.dmp

    Filesize

    100KB