Analysis

  • max time kernel
    71s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-07-2022 20:12

General

  • Target

    443bb42a693a17c4a6994230003e848a84a309ffbb748da22071503ae376406c.exe

  • Size

    695KB

  • MD5

    838ef7134f87a30f65b0087c798ab3b9

  • SHA1

    ca97744e4263c0ef079f93adbdb1817e7e021503

  • SHA256

    443bb42a693a17c4a6994230003e848a84a309ffbb748da22071503ae376406c

  • SHA512

    432318aa95ad3630c61b116375da5dbad7fadbe970dce6c2f6e4889a501419e888fca0337fa588f2851b750177a500438445d3774df63193c6efd64b2a4edab5

Score
10/10

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

706

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    706

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 3 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\443bb42a693a17c4a6994230003e848a84a309ffbb748da22071503ae376406c.exe
    "C:\Users\Admin\AppData\Local\Temp\443bb42a693a17c4a6994230003e848a84a309ffbb748da22071503ae376406c.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 1352
      2⤵
      • Program crash
      PID:1840

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/1840-60-0x0000000000000000-mapping.dmp
  • memory/1968-54-0x0000000075EF1000-0x0000000075EF3000-memory.dmp
    Filesize

    8KB

  • memory/1968-55-0x000000000300D000-0x000000000308A000-memory.dmp
    Filesize

    500KB

  • memory/1968-56-0x0000000000300000-0x00000000003D6000-memory.dmp
    Filesize

    856KB

  • memory/1968-57-0x0000000000400000-0x0000000002F75000-memory.dmp
    Filesize

    43.5MB

  • memory/1968-58-0x000000000300D000-0x000000000308A000-memory.dmp
    Filesize

    500KB

  • memory/1968-59-0x0000000000400000-0x0000000002F75000-memory.dmp
    Filesize

    43.5MB