Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 09:08

General

  • Target

    b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe

  • Size

    510KB

  • MD5

    730c6813af9d7c692f9795a517eefd35

  • SHA1

    c6bf79d06e6ede0025c8dff090e9f2bc0e58926c

  • SHA256

    b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc

  • SHA512

    0fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8

  • SSDEEP

    6144:M/uTVIGrZa2N2O5NHuComSO75/NEBcWtKyAkVHCc55aHQ1BDvO/WwZzuTSX/bCop:P6AgBM8JBDvcWwZzhiN

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe
    "C:\Users\Admin\AppData\Local\Temp\b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\Music\PersistanceModule.exe
      "C:\Users\Admin\Music\PersistanceModule.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Music\PersistanceModule.exe

    Filesize

    510KB

    MD5

    730c6813af9d7c692f9795a517eefd35

    SHA1

    c6bf79d06e6ede0025c8dff090e9f2bc0e58926c

    SHA256

    b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc

    SHA512

    0fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8

  • C:\Users\Admin\Music\PersistanceModule.exe

    Filesize

    510KB

    MD5

    730c6813af9d7c692f9795a517eefd35

    SHA1

    c6bf79d06e6ede0025c8dff090e9f2bc0e58926c

    SHA256

    b9e42eda591fdc5e0b64ffef74154535fdf7b486aedf7fd95d54f8bd3de02fbc

    SHA512

    0fef7f86803ba3ed251c390372b4c1773c3f2918863a28c181ffa961c37beaafc99c9790b21b0ddf277b79fc5ec4b53be08f3a745099296a79527f6e5307d4b8

  • memory/3044-132-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

  • memory/3044-137-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

  • memory/4908-133-0x0000000000000000-mapping.dmp

  • memory/4908-136-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

  • memory/4908-138-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB