Analysis

  • max time kernel
    56s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 07:54

General

  • Target

    5ff54b5854150bee967022955d90ff2e1ae463c1da3755be965935fe6663e85c.exe

  • Size

    646KB

  • MD5

    8d271b490de93ca2ec59c01be6d6b777

  • SHA1

    6be497424832a88ae40ec57d0ff4e5bc0011ea3c

  • SHA256

    5ff54b5854150bee967022955d90ff2e1ae463c1da3755be965935fe6663e85c

  • SHA512

    5ce275f605bd4b6c6aba1bcf076eeff590a850f256c1a215ff1c13d41e6ec93777de441cf1e93fd11fcc304813341dd70b6a27b318f3a843b13123451d294f1e

Score
10/10

Malware Config

Extracted

Family

vidar

Version

41.6

Botnet

933

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    933

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ff54b5854150bee967022955d90ff2e1ae463c1da3755be965935fe6663e85c.exe
    "C:\Users\Admin\AppData\Local\Temp\5ff54b5854150bee967022955d90ff2e1ae463c1da3755be965935fe6663e85c.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 1356
      2⤵
      • Program crash
      PID:1688

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

  • memory/1688-58-0x0000000000000000-mapping.dmp
  • memory/1780-54-0x0000000076601000-0x0000000076603000-memory.dmp
    Filesize

    8KB

  • memory/1780-55-0x0000000000220000-0x000000000029C000-memory.dmp
    Filesize

    496KB

  • memory/1780-56-0x00000000047D0000-0x00000000048A6000-memory.dmp
    Filesize

    856KB

  • memory/1780-57-0x0000000000400000-0x0000000002F67000-memory.dmp
    Filesize

    43.4MB