Analysis

  • max time kernel
    63s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-06-2022 03:30

General

  • Target

    2b106f99fd8c508e41db0a675af9bad1151ce0ff026e08edf020be44f17a072c.exe

  • Size

    695KB

  • MD5

    e92e8dcc342db6f2c13054d308870b55

  • SHA1

    aea49d54350bbb6f2699006d274413e035a0adfc

  • SHA256

    2b106f99fd8c508e41db0a675af9bad1151ce0ff026e08edf020be44f17a072c

  • SHA512

    12d5d14c966b4ec9fe451035bd9d0d24df5f31c2711c8b098aabe45d01adae639463f11c9bcb1431b8191394e6f6ca86502365a2ad4272cbd77dcc78c043ff62

Score
10/10

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

937

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    937

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 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\2b106f99fd8c508e41db0a675af9bad1151ce0ff026e08edf020be44f17a072c.exe
    "C:\Users\Admin\AppData\Local\Temp\2b106f99fd8c508e41db0a675af9bad1151ce0ff026e08edf020be44f17a072c.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 948 -s 1308
      2⤵
      • Program crash
      PID:428

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/428-60-0x0000000000000000-mapping.dmp
  • memory/948-54-0x0000000074F21000-0x0000000074F23000-memory.dmp
    Filesize

    8KB

  • memory/948-55-0x00000000002D0000-0x000000000034C000-memory.dmp
    Filesize

    496KB

  • memory/948-56-0x0000000004840000-0x0000000004916000-memory.dmp
    Filesize

    856KB

  • memory/948-57-0x0000000000400000-0x0000000002F74000-memory.dmp
    Filesize

    43.5MB

  • memory/948-58-0x0000000004840000-0x0000000004916000-memory.dmp
    Filesize

    856KB

  • memory/948-59-0x0000000000400000-0x0000000002F74000-memory.dmp
    Filesize

    43.5MB