Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 03:59

General

  • Target

    c22b4529d7ac06c151e26a29cb5c2fbf.exe

  • Size

    617KB

  • MD5

    c22b4529d7ac06c151e26a29cb5c2fbf

  • SHA1

    7234260eb8010e8536b1ebd5b6060db14da361a2

  • SHA256

    4f3b92cb55f872319a4fcfce92bab959583c13db933e2c65d13f8394198f103e

  • SHA512

    744864aafe9c58bda5416239f7e9c94b9f957b8808bf3bdfad7407ed26798cbdc5b63756c8f7ecd257c2dba9c3368a37d975c5c15c97e151deed4859d8c7723b

  • SSDEEP

    12288:vd+uOCU9m3KmPdP+xeJbpIfGHHYKVQ+0krWsehbTP790aRYwZE:vQuOw3KsP+xwlIfGYKP0qepTDuWYw

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

706

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    706

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c22b4529d7ac06c151e26a29cb5c2fbf.exe
    "C:\Users\Admin\AppData\Local\Temp\c22b4529d7ac06c151e26a29cb5c2fbf.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 892
      2⤵
      • Program crash
      PID:1964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/1788-2-0x0000000002C20000-0x0000000002CBD000-memory.dmp

    Filesize

    628KB

  • memory/1788-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1788-3-0x0000000000400000-0x000000000146C000-memory.dmp

    Filesize

    16.4MB

  • memory/1788-14-0x0000000000400000-0x000000000146C000-memory.dmp

    Filesize

    16.4MB

  • memory/1788-41-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1788-49-0x0000000002C20000-0x0000000002CBD000-memory.dmp

    Filesize

    628KB