Analysis

  • max time kernel
    152s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2022 16:53

General

  • Target

    HEUR-Trojan.MSIL.Diztakun.gen-47f5c7a0c27b925d9c1513ac73eecab3953327beda396fea0b2bbbe15467cb90.exe

  • Size

    218KB

  • MD5

    325229663face78b4494f54eb2c77524

  • SHA1

    00d64f749b359ec6d304cbd918118755762ddaa5

  • SHA256

    47f5c7a0c27b925d9c1513ac73eecab3953327beda396fea0b2bbbe15467cb90

  • SHA512

    83fc59059ed4a03ae0b7b592d4b5fa15bc70180a5a792ad8f8b68c2d0c42556ea1f257e38aab2229dd640aced588998460ffea75c02243d61b477bce74c1f5d0

  • SSDEEP

    6144:aZSNIPmoXWBoqiNab5jYDy375Qvq5ybpaJDr:hiPyBj5jGy3FkNwJv

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops desktop.ini file(s) 3 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.MSIL.Diztakun.gen-47f5c7a0c27b925d9c1513ac73eecab3953327beda396fea0b2bbbe15467cb90.exe
    "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.MSIL.Diztakun.gen-47f5c7a0c27b925d9c1513ac73eecab3953327beda396fea0b2bbbe15467cb90.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2008

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Defense Evasion

Modify Registry

2
T1112

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/2008-54-0x0000000000060000-0x000000000009C000-memory.dmp
    Filesize

    240KB

  • memory/2008-55-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp
    Filesize

    8KB

  • memory/2008-56-0x000000001AFE6000-0x000000001B005000-memory.dmp
    Filesize

    124KB