Analysis

  • max time kernel
    141s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2023 14:21

General

  • Target

    0081232aeee761e5ca6c02d6209d69a7.exe

  • Size

    671KB

  • MD5

    0081232aeee761e5ca6c02d6209d69a7

  • SHA1

    ea9cbef3a1637ac4f83a3b0f6bd5c57e788ed3bd

  • SHA256

    12a7523214419812f838fef882e601d985409bb0f9126c5ba9252ad57bfd172d

  • SHA512

    85a81bf72e366f569a2982ec0afcde9065784dbdd15f536a0d350a30138bc78c4a1f3e4859a79215f3a8c24296868d55de9fac7b8f1a08c593f356fe39c5a663

  • SSDEEP

    12288:17zq3XlaJ/s2MWEMJszspZF4uOr5/2KDA8GLmaVb6K/:Nzs72wks4WrFzM8GpkC

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\0081232aeee761e5ca6c02d6209d69a7.exe
    "C:\Users\Admin\AppData\Local\Temp\0081232aeee761e5ca6c02d6209d69a7.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 880
      2⤵
      • Program crash
      PID:2752

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

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

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar28DA.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1244-2-0x0000000000220000-0x00000000002BD000-memory.dmp
    Filesize

    628KB

  • memory/1244-1-0x0000000003420000-0x0000000003520000-memory.dmp
    Filesize

    1024KB

  • memory/1244-3-0x0000000000400000-0x00000000032A3000-memory.dmp
    Filesize

    46.6MB

  • memory/1244-62-0x0000000000400000-0x00000000032A3000-memory.dmp
    Filesize

    46.6MB

  • memory/1244-65-0x0000000000220000-0x00000000002BD000-memory.dmp
    Filesize

    628KB

  • memory/1244-64-0x0000000003420000-0x0000000003520000-memory.dmp
    Filesize

    1024KB