Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 04:12

General

  • Target

    c2c5ae378d32a04091695ea8bf7ab9c1.exe

  • Size

    667KB

  • MD5

    c2c5ae378d32a04091695ea8bf7ab9c1

  • SHA1

    b75f1d2ca238bccfdadbeaac0f86aa01151d45d2

  • SHA256

    1ae48437789e2076e6057d8ed5b953d099cfaea76f4f07a54d2916be3688d720

  • SHA512

    38e5d4676f0181fe15dc566f36a16102f16cb3462bbd8a345044c6360f59244000ab035c5506e0d63981c1c5b3d7ed8e9cc586aba49da504c5abd4dba8784801

  • SSDEEP

    12288:yJIdvRzdqwC41iC5wMxWpeQ3RICKj/6Y5PiHdOBynXAh5ueun6sTFG3KxJ:pRzdqTMxOziHuY5tynKXunZTQQ

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 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\c2c5ae378d32a04091695ea8bf7ab9c1.exe
    "C:\Users\Admin\AppData\Local\Temp\c2c5ae378d32a04091695ea8bf7ab9c1.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 880
      2⤵
      • Program crash
      PID:3020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar2A60.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2356-2-0x0000000000220000-0x00000000002BD000-memory.dmp

    Filesize

    628KB

  • memory/2356-3-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2356-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

    Filesize

    1024KB

  • memory/2356-40-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2356-63-0x00000000005E0000-0x00000000006E0000-memory.dmp

    Filesize

    1024KB

  • memory/2356-65-0x0000000000220000-0x00000000002BD000-memory.dmp

    Filesize

    628KB