Analysis

  • max time kernel
    45s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2022 20:36

General

  • Target

    4fc7a5ef8cadf53201bb797b48b42f16dac02bdec55c732bed6760ceb695641a.exe

  • Size

    728KB

  • MD5

    1d4467ffb1931c08ad2ccb25f495113b

  • SHA1

    efd91244076812e16e0b122dfd82901db8e85ca8

  • SHA256

    4fc7a5ef8cadf53201bb797b48b42f16dac02bdec55c732bed6760ceb695641a

  • SHA512

    986f43cea97a2bd9e415b88808503994bd2791cb6ff75871a1b3820e0a09d3c4c0bb7b56e6770eb124c6740a5de07c970695fe22e5d86069d125ad166285a1b9

Score
10/10

Malware Config

Extracted

Family

vidar

Version

41.4

Botnet

936

C2

https://mas.to/@sslam

Attributes
  • profile_id

    936

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\4fc7a5ef8cadf53201bb797b48b42f16dac02bdec55c732bed6760ceb695641a.exe
    "C:\Users\Admin\AppData\Local\Temp\4fc7a5ef8cadf53201bb797b48b42f16dac02bdec55c732bed6760ceb695641a.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 1300
      2⤵
      • Program crash
      PID:268

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/268-58-0x0000000000000000-mapping.dmp
  • memory/1176-54-0x0000000075B61000-0x0000000075B63000-memory.dmp
    Filesize

    8KB

  • memory/1176-55-0x000000000186D000-0x00000000018EA000-memory.dmp
    Filesize

    500KB

  • memory/1176-56-0x0000000001730000-0x0000000001806000-memory.dmp
    Filesize

    856KB

  • memory/1176-57-0x0000000000400000-0x0000000001729000-memory.dmp
    Filesize

    19.2MB

  • memory/1176-59-0x000000000186D000-0x00000000018EA000-memory.dmp
    Filesize

    500KB

  • memory/1176-60-0x0000000000400000-0x0000000001729000-memory.dmp
    Filesize

    19.2MB