Analysis

  • max time kernel
    205s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 09:28

General

  • Target

    30dec3f14079ce965d731f40eae7a7d7.exe

  • Size

    597KB

  • MD5

    30dec3f14079ce965d731f40eae7a7d7

  • SHA1

    127be9cd77c35a46b950d0f22089cdb52ff2da93

  • SHA256

    82ff83ce0665382ce20ccb6a1295bce8eff4653edadb331814c43ef198265a27

  • SHA512

    776fc5ae814697897605f056de7e2f7d4ca65fd9da199974ed460e60a56d5ba153af4b30fcac59db182611e6078ebc69b5e8de883e4b89a5adbf56093a64e526

  • SSDEEP

    12288:WKdcOY+osWU8hLhl0dDLvF6zvxl8+H9yxN0NuSXaP18bonb+zhgm4fgor2TlFm:WDOY+osWU8hL0dwzXtHCuNdXamboAOmP

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

706

C2

https://xeronxikxxx.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\30dec3f14079ce965d731f40eae7a7d7.exe
    "C:\Users\Admin\AppData\Local\Temp\30dec3f14079ce965d731f40eae7a7d7.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 884
      2⤵
      • Program crash
      PID:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4CCB.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar4D1C.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2576-2-0x0000000000520000-0x00000000005BD000-memory.dmp

    Filesize

    628KB

  • memory/2576-1-0x0000000000670000-0x0000000000770000-memory.dmp

    Filesize

    1024KB

  • memory/2576-3-0x0000000000400000-0x000000000051A000-memory.dmp

    Filesize

    1.1MB

  • memory/2576-5-0x0000000000670000-0x0000000000770000-memory.dmp

    Filesize

    1024KB

  • memory/2576-6-0x0000000000400000-0x000000000051A000-memory.dmp

    Filesize

    1.1MB

  • memory/2576-7-0x0000000000400000-0x000000000051A000-memory.dmp

    Filesize

    1.1MB

  • memory/2576-61-0x0000000000400000-0x000000000051A000-memory.dmp

    Filesize

    1.1MB