Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-09-2024 18:23

General

  • Target

    tmk.scr.exe

  • Size

    538KB

  • MD5

    f257d37c05d29e725071a900ef49f1c9

  • SHA1

    11fa3fc864d53a90cd4ed3c4e3e3aba3c7890fae

  • SHA256

    aaf3cf701b06ca873f9fdbf5b4ba33722c6ecea49316a344df35926a45bce1fb

  • SHA512

    945ce0d2305183bf5ab19a563259d9f8cf39b115608f254c15e8d29cc542807290975d49b8de344400493f106e23a196a92f0197154719a49d5c3ff684cd8fab

  • SSDEEP

    3072:6XpAi2YcRVm16Pn6n0H7GMgXuD//bFLAkC8htEyR/x5Zt19r0d/rFLjZkJ:6XpAiWm16yaGMVFLQmEFFL2

Score
10/10

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmk.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\tmk.scr.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2132

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2132-0-0x000007FEF5B93000-0x000007FEF5B94000-memory.dmp

    Filesize

    4KB

  • memory/2132-1-0x00000000009D0000-0x0000000000A5C000-memory.dmp

    Filesize

    560KB

  • memory/2132-2-0x000007FEF5B90000-0x000007FEF657C000-memory.dmp

    Filesize

    9.9MB

  • memory/2132-3-0x000007FEF5B90000-0x000007FEF657C000-memory.dmp

    Filesize

    9.9MB

  • memory/2132-4-0x000007FEF5B93000-0x000007FEF5B94000-memory.dmp

    Filesize

    4KB

  • memory/2132-5-0x000007FEF5B90000-0x000007FEF657C000-memory.dmp

    Filesize

    9.9MB