Analysis

  • max time kernel
    81s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-06-2022 10:26

General

  • Target

    20da8e6d07f8cf4dcc402d3ae0eca27a6a1f304763663bcab6be8325868689a8.exe

  • Size

    684KB

  • MD5

    f7e75b9b3ac2bce48e23d08c7a5eae7a

  • SHA1

    f1c9c6466f2996ce71a09c7da8f5f38cb49c7e56

  • SHA256

    20da8e6d07f8cf4dcc402d3ae0eca27a6a1f304763663bcab6be8325868689a8

  • SHA512

    94e36da72d408eacfb8b5feb0c5f3ee213cd614b90d216d4582fe3b9213634838773ef8439bfedd6bdb0bdbee7597fd5b6812d75bd858d904d3b304df989cbb6

Score
10/10

Malware Config

Extracted

Family

vidar

Version

41.4

Botnet

937

C2

https://mas.to/@sslam

Attributes
  • profile_id

    937

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\20da8e6d07f8cf4dcc402d3ae0eca27a6a1f304763663bcab6be8325868689a8.exe
    "C:\Users\Admin\AppData\Local\Temp\20da8e6d07f8cf4dcc402d3ae0eca27a6a1f304763663bcab6be8325868689a8.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 1340
      2⤵
      • Program crash
      PID:1900

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/1764-54-0x0000000075B71000-0x0000000075B73000-memory.dmp
    Filesize

    8KB

  • memory/1764-55-0x00000000008ED000-0x000000000096A000-memory.dmp
    Filesize

    500KB

  • memory/1764-56-0x00000000007E0000-0x00000000008B6000-memory.dmp
    Filesize

    856KB

  • memory/1764-57-0x0000000000400000-0x00000000007DC000-memory.dmp
    Filesize

    3.9MB

  • memory/1764-58-0x00000000008ED000-0x000000000096A000-memory.dmp
    Filesize

    500KB

  • memory/1764-59-0x0000000000400000-0x00000000007DC000-memory.dmp
    Filesize

    3.9MB

  • memory/1900-60-0x0000000000000000-mapping.dmp