Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2023 18:32

General

  • Target

    008f43677eadd2dfbc8fdc4566628e40.exe

  • Size

    649KB

  • MD5

    008f43677eadd2dfbc8fdc4566628e40

  • SHA1

    4d2dc0112d3cf680203ecbe47b603b04ce1a74de

  • SHA256

    c4ec55cd2d04aa65481f5ef213c4ccd0a5825483cdd126dc5e7b62cf10720176

  • SHA512

    60dee1f38fc3cf09517dd657884e09f4ec19f0142a54ff27e020d0ba6b90bb51c9f140cd6534cca10b2838c77d00f4c78c8fa15ae65734c1f771ceeffec1e71d

  • SSDEEP

    12288:EWSsDdZpJAFgAC+puKoZy0dcj7n1noP/8yjq20EHh2zPPbo:Ew+FnC+0Fcj7nCMyjqIHUzHbo

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\008f43677eadd2dfbc8fdc4566628e40.exe
    "C:\Users\Admin\AppData\Local\Temp\008f43677eadd2dfbc8fdc4566628e40.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 888
      2⤵
      • Program crash
      PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab9A2F.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar9A80.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2088-1-0x0000000000540000-0x0000000000640000-memory.dmp

    Filesize

    1024KB

  • memory/2088-2-0x0000000000350000-0x00000000003ED000-memory.dmp

    Filesize

    628KB

  • memory/2088-3-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2088-55-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2088-58-0x0000000000540000-0x0000000000640000-memory.dmp

    Filesize

    1024KB

  • memory/2088-60-0x0000000000350000-0x00000000003ED000-memory.dmp

    Filesize

    628KB