Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 16:20

General

  • Target

    e909471f2bf7157b1335d0b64538a83b.exe

  • Size

    574KB

  • MD5

    e909471f2bf7157b1335d0b64538a83b

  • SHA1

    2d47775d09ec88ff71da593fed536c8dc2dd6d37

  • SHA256

    066ac142f91210ed2fe55e8e7e2b06427c6929c2321205be76b87aa586d263a7

  • SHA512

    6aa839b6d723455cc8fdfcfdd2b3e6566d7909d5baa36f82d27b3cdea53b845dcff44f1b58bc4b2e99e53d44cb59cd5e56556289dc3d597d264ba680cf3c815e

  • SSDEEP

    12288:1ukP1Kod4kWBeNrvhanAqQQB/cx5pOJcIavYZlTv8g3vEseLuBhZIH:1x1KopqhQg0lOJcIlZlTvx+Q

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 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\e909471f2bf7157b1335d0b64538a83b.exe
    "C:\Users\Admin\AppData\Local\Temp\e909471f2bf7157b1335d0b64538a83b.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 888
      2⤵
      • Program crash
      PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8613.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar8645.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2288-1-0x0000000000660000-0x0000000000760000-memory.dmp
    Filesize

    1024KB

  • memory/2288-2-0x0000000000230000-0x00000000002CD000-memory.dmp
    Filesize

    628KB

  • memory/2288-3-0x0000000000400000-0x0000000000513000-memory.dmp
    Filesize

    1.1MB

  • memory/2288-4-0x0000000000400000-0x0000000000513000-memory.dmp
    Filesize

    1.1MB

  • memory/2288-59-0x0000000000660000-0x0000000000760000-memory.dmp
    Filesize

    1024KB

  • memory/2288-60-0x0000000000230000-0x00000000002CD000-memory.dmp
    Filesize

    628KB