Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 13:28

General

  • Target

    Yashmaransomwarebuilderv1.2.exe

  • Size

    826KB

  • MD5

    20a7eea3f65edd41df1e3bbce7d2b674

  • SHA1

    44a9d957a24ab0e9f2066e9dfc4da8f9d46f0025

  • SHA256

    e505fe2a77857ac94c657999533631289dc76a1c62c73169232dfcd7a25990a9

  • SHA512

    bf3189616f1ed3ca3059fdbb9ea72c38a2e32804b0c5919f058d0798b928c4fd1ce3d015a4366c3f689bcfaa10d2f1fcd3a169c9e3ec6a68f4abdc47ef386fb0

  • SSDEEP

    6144:pMPUfXnG2omFLhFLuFL6FL6aGMVFLQYFWD/:pL3GcQZ

Score
10/10

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 1 IoCs
  • Chaos family
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Yashmaransomwarebuilderv1.2.exe
    "C:\Users\Admin\AppData\Local\Temp\Yashmaransomwarebuilderv1.2.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3964

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3964-0-0x00007FFE54FA3000-0x00007FFE54FA5000-memory.dmp

    Filesize

    8KB

  • memory/3964-1-0x000001ED7AEC0000-0x000001ED7AF94000-memory.dmp

    Filesize

    848KB

  • memory/3964-2-0x00007FFE54FA0000-0x00007FFE55A61000-memory.dmp

    Filesize

    10.8MB

  • memory/3964-3-0x00007FFE54FA0000-0x00007FFE55A61000-memory.dmp

    Filesize

    10.8MB

  • memory/3964-4-0x00007FFE54FA3000-0x00007FFE54FA5000-memory.dmp

    Filesize

    8KB

  • memory/3964-5-0x00007FFE54FA0000-0x00007FFE55A61000-memory.dmp

    Filesize

    10.8MB