Analysis

  • max time kernel
    280s
  • max time network
    319s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 18:28

General

  • Target

    34891d807c3aed97dde4cb331e340513.exe

  • Size

    665KB

  • MD5

    34891d807c3aed97dde4cb331e340513

  • SHA1

    96d1b5fdfa2e9e23020cfcf42beeb04bf00cce75

  • SHA256

    30b9f240631bdab5870096675ecd56b6c1b1875ef332104f46993730fe92b91e

  • SHA512

    d6bd7159b8c296b42d2bee34f29bbab0c9195724adc4d7a7329cb37fafc9a23922549ea9e8372b87e8b510b487f4fab9db0b5e27f17515054227b005efbc0642

  • SSDEEP

    12288:FQZaacUDUCg1fiD5H27EQY53Wdyy99nMptCjX8vjKZN2LYxDka:8bDUCYEb5ASCXaGDt

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.7

Botnet

706

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    706

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 5 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34891d807c3aed97dde4cb331e340513.exe
    "C:\Users\Admin\AppData\Local\Temp\34891d807c3aed97dde4cb331e340513.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 884
      2⤵
      • Program crash
      PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab35C2.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar3623.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/844-1-0x0000000000580000-0x0000000000680000-memory.dmp

    Filesize

    1024KB

  • memory/844-2-0x00000000004D0000-0x000000000056D000-memory.dmp

    Filesize

    628KB

  • memory/844-3-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/844-4-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/844-42-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/844-46-0x0000000000580000-0x0000000000680000-memory.dmp

    Filesize

    1024KB

  • memory/844-47-0x00000000004D0000-0x000000000056D000-memory.dmp

    Filesize

    628KB