Analysis

  • max time kernel
    140s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 05:37

General

  • Target

    0885a80ad7eb86de69423569774b5fc4.exe

  • Size

    675KB

  • MD5

    0885a80ad7eb86de69423569774b5fc4

  • SHA1

    1481f2d299eef8be4bf7eab7209833914989749b

  • SHA256

    1d3d7f1b094a1a1207d4c9d139fb288109ebf20d2872c00071e192553e750744

  • SHA512

    84218a721525eba86b37203f51bbc7d04a1fad278cda356f1bcd8c9a2fb2ca28f0d2c6185c0aa62e12d96c3cc7e092ceef76914b12a21303720bb32b20280a7a

  • SSDEEP

    12288:Vu2DH2w1NhqLh1Mkxcs4h8ByI9bJfOCNZWwK8oRnR06b62:BHd1GtEbOyQwCNYw9AOQ6

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

828

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    828

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\0885a80ad7eb86de69423569774b5fc4.exe
    "C:\Users\Admin\AppData\Local\Temp\0885a80ad7eb86de69423569774b5fc4.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 884
      2⤵
      • Program crash
      PID:2792

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\Cab147C.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar148F.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2896-2-0x0000000004AC0000-0x0000000004B5D000-memory.dmp
    Filesize

    628KB

  • memory/2896-1-0x0000000000270000-0x0000000000370000-memory.dmp
    Filesize

    1024KB

  • memory/2896-3-0x0000000000400000-0x00000000032A4000-memory.dmp
    Filesize

    46.6MB

  • memory/2896-57-0x0000000000400000-0x00000000032A4000-memory.dmp
    Filesize

    46.6MB

  • memory/2896-60-0x0000000004AC0000-0x0000000004B5D000-memory.dmp
    Filesize

    628KB

  • memory/2896-59-0x0000000000270000-0x0000000000370000-memory.dmp
    Filesize

    1024KB