Analysis

  • max time kernel
    134s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    25-03-2023 19:27

General

  • Target

    file.exe

  • Size

    4.0MB

  • MD5

    c8912fe8e08b4e0947b0c56201485581

  • SHA1

    2699d925e8a1708e86afac0f65d8e4797126fe90

  • SHA256

    9ee64b8dc1af383e25ca542f9ede7a8b649c8b1477012c39fca179637fec289d

  • SHA512

    c6eca8af85ceeec0a0221a067196bb17ed09bb00931371f79d262d53efcff405c38ea93bb9189d791eb3b358c121a9ec4475f754d1ea92045deff2de0426b70f

  • SSDEEP

    98304:wqjAMzqBA3pR8BG0Zu+wExyDfpvo0fc/jc/kA3:w4pzqCCBG05w1DRATct3

Malware Config

Extracted

Family

vidar

Version

3.1

Botnet

20f95c4f85151b21c48a8766fbd2d32d

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes
  • profile_id_v2

    20f95c4f85151b21c48a8766fbd2d32d

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Modifies system certificate store
    PID:1996

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

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

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\Local\Temp\Tar50D6.tmp
    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • memory/1996-54-0x0000000000FF0000-0x000000000162D000-memory.dmp
    Filesize

    6.2MB