Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2024 09:09

General

  • Target

    434d0d133cb3d5356098b84ab0e7e795.exe

  • Size

    677KB

  • MD5

    434d0d133cb3d5356098b84ab0e7e795

  • SHA1

    f82c277777a893f4bc00cfa69d7f20377d52b212

  • SHA256

    ecf6125247d052ea554fb708e64dcf19a9ba6f81aea60c38220b68595ce42e8a

  • SHA512

    e55d24c0f2b96b657fb0193f021baa78ef9b6e978a33ffda84e44e48ea8cdebcfc2b789ce764ca5d1a0c3ce06b1b60f17f768bcc2a3fc564b7c7301e8853f85d

  • SSDEEP

    12288:TXrVo/Z7oS6ixX7jP7IC/N74O0t9J33WH/M+dI+LvGm:a/ZRJ0t9xC/M+Dv

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\434d0d133cb3d5356098b84ab0e7e795.exe
    "C:\Users\Admin\AppData\Local\Temp\434d0d133cb3d5356098b84ab0e7e795.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 892
      2⤵
      • Program crash
      PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA8FE.tmp

    Filesize

    3KB

    MD5

    05303236a72ea6ce904e8f15ed06739e

    SHA1

    11aa497f573b867c4076a3908884b84822f0035a

    SHA256

    96b1f3ae3b2f0b6dd66ddf63f43d45f3e1b3d2a28fee4f816c49ac7ec1764059

    SHA512

    c5f07e2d450f6d5dc448da32134771bc99f9e3b6c3f87e7fefa139d618c42d1cfe20c9cdf8e6af67c9c3694ce1b90f95f7b21eb3cb616a0dd9225f79ec4d31ef

  • C:\Users\Admin\AppData\Local\Temp\TarA93F.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2156-1-0x0000000003350000-0x0000000003450000-memory.dmp

    Filesize

    1024KB

  • memory/2156-2-0x00000000002D0000-0x000000000036D000-memory.dmp

    Filesize

    628KB

  • memory/2156-3-0x0000000000400000-0x00000000032A3000-memory.dmp

    Filesize

    46.6MB

  • memory/2156-57-0x0000000000400000-0x00000000032A3000-memory.dmp

    Filesize

    46.6MB

  • memory/2156-60-0x00000000002D0000-0x000000000036D000-memory.dmp

    Filesize

    628KB

  • memory/2156-59-0x0000000003350000-0x0000000003450000-memory.dmp

    Filesize

    1024KB