Analysis

  • max time kernel
    143s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 13:12

General

  • Target

    1995f8ae9455eb43e66c76f186245814.exe

  • Size

    608KB

  • MD5

    1995f8ae9455eb43e66c76f186245814

  • SHA1

    2b3abd63b0f6a0f6e67ba3efc445444bf6fa4cda

  • SHA256

    eb7d69d8161c8d6d73501163be29f7920229d822050cdcc1c735cc090e9d870b

  • SHA512

    def33eb8a135aaba06c49358d7105baff694d4c24523f324cc427b77a057ea46b9147088f1cfc58a29ef4234cef446f514c37cb4a42521c213a686b47084a7ef

  • SSDEEP

    12288:xkKuyRKZlRHskmnEEfw5yeC2S/grzsG/Lkqz:KyRKMnElQLH/grp/Lkw

Score
10/10

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 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\1995f8ae9455eb43e66c76f186245814.exe
    "C:\Users\Admin\AppData\Local\Temp\1995f8ae9455eb43e66c76f186245814.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 884
      2⤵
      • Program crash
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA5A4.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarA5E5.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2236-1-0x00000000024F0000-0x00000000025F0000-memory.dmp

    Filesize

    1024KB

  • memory/2236-2-0x0000000000310000-0x00000000003AD000-memory.dmp

    Filesize

    628KB

  • memory/2236-3-0x0000000000400000-0x0000000002401000-memory.dmp

    Filesize

    32.0MB

  • memory/2236-57-0x0000000000400000-0x0000000002401000-memory.dmp

    Filesize

    32.0MB

  • memory/2236-58-0x00000000024F0000-0x00000000025F0000-memory.dmp

    Filesize

    1024KB

  • memory/2236-60-0x0000000000310000-0x00000000003AD000-memory.dmp

    Filesize

    628KB