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
    04-02-2024 08:58

General

  • Target

    Litever01.exe

  • Size

    593KB

  • MD5

    c85b133eae3ca2e8aa788b5b41dd12ca

  • SHA1

    46842b223e918590f851dc58feb0333756fc872e

  • SHA256

    0fca09eff75cd95e68f6ec7aed7c3f89ae7345a180f94fc5b470e2b24ebbc63a

  • SHA512

    a485023b501126130a5c01a6c6348a5d2f28b9f5c89329d8eec6451cd494984eab6d66215fd3b3fb4db7545fc524cd371373859a7dfa3a67e2c0f4e84613bbf2

  • SSDEEP

    12288:rmuLlwwQ+nWbz7jf0qncK45KIPwLeRxgPqcpLsZgxdqjc:rmuZwwJWbz7jf0qnIKIP9RxQqcpog

Score
10/10

Malware Config

Extracted

Family

vidar

Version

40.2

Botnet

933

C2

https://kipriauka.tumblr.com/

Attributes
  • profile_id

    933

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\Litever01.exe
    "C:\Users\Admin\AppData\Local\Temp\Litever01.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 868
      2⤵
      • Program crash
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4DD4.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar4E15.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1972-1-0x0000000001F70000-0x0000000002070000-memory.dmp

    Filesize

    1024KB

  • memory/1972-2-0x0000000001DF0000-0x0000000001EC3000-memory.dmp

    Filesize

    844KB

  • memory/1972-3-0x0000000000400000-0x0000000001DE1000-memory.dmp

    Filesize

    25.9MB

  • memory/1972-57-0x0000000000400000-0x0000000001DE1000-memory.dmp

    Filesize

    25.9MB

  • memory/1972-58-0x0000000001F70000-0x0000000002070000-memory.dmp

    Filesize

    1024KB

  • memory/1972-60-0x0000000001DF0000-0x0000000001EC3000-memory.dmp

    Filesize

    844KB