Analysis

  • max time kernel
    144s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 02:01

General

  • Target

    0afad9ff556dea967ba3972823dc5053.exe

  • Size

    543KB

  • MD5

    0afad9ff556dea967ba3972823dc5053

  • SHA1

    ad5aa87d13102a4ce76d30f52f6414593107d420

  • SHA256

    ff630dc798021ce5f290190815154404b1751bb6daf738adc2f5a7584c007850

  • SHA512

    e5cd97c14024c53ff0d6f3a97b7764ee7a47caa8f872520957979bbfbeb795f759fef29f02d2ead5b9217275bd0336013a9b39b2303b89253ff2db6ea12d9f41

  • SSDEEP

    12288:Qm2+cfZFqIe0Saj7sYYd9piPyuH1z1DCGibh4EJ5YFM8beOSi:xkQICaj7/Y3piDVRD6KHbUi

Score
10/10

Malware Config

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.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\0afad9ff556dea967ba3972823dc5053.exe
    "C:\Users\Admin\AppData\Local\Temp\0afad9ff556dea967ba3972823dc5053.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 856
      2⤵
      • Program crash
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8AD4.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar8B92.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/632-1-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

    Filesize

    1024KB

  • memory/632-2-0x0000000002CC0000-0x0000000002D5D000-memory.dmp

    Filesize

    628KB

  • memory/632-3-0x0000000000400000-0x0000000002CBE000-memory.dmp

    Filesize

    40.7MB

  • memory/632-38-0x0000000000400000-0x0000000002CBE000-memory.dmp

    Filesize

    40.7MB

  • memory/632-58-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

    Filesize

    1024KB

  • memory/632-60-0x0000000002CC0000-0x0000000002D5D000-memory.dmp

    Filesize

    628KB