Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 13:11

General

  • Target

    198a59b9bc4b0f64b0d59fd40d182e68.exe

  • Size

    700KB

  • MD5

    198a59b9bc4b0f64b0d59fd40d182e68

  • SHA1

    3dec5a926d068f094a78d282b710a65803b16488

  • SHA256

    3d466f3d0710f015571b152ebf917cd057e540dd7c954d04e9e89f7ebc3851b9

  • SHA512

    223db08c5e77a837b967ee30853e4528caa759fbfe25a7464dba85f74e3b7ce63e62e6a2aacf352ea55ae6f481b0d6c3afe63fab7481bedb2d1af06d49b0624a

  • SSDEEP

    12288:BgF52s0BhP2PFro43nQMmo4RRNc0g+W2rQeQlAFB5co2DthtZmDjaq:BJscQPFc8HTWK0g+W2rlB503L6jaq

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

921

C2

https://prophefliloc.tumblr.com/

Attributes
  • profile_id

    921

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\198a59b9bc4b0f64b0d59fd40d182e68.exe
    "C:\Users\Admin\AppData\Local\Temp\198a59b9bc4b0f64b0d59fd40d182e68.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\198a59b9bc4b0f64b0d59fd40d182e68.exe
      C:\Users\Admin\AppData\Local\Temp\198a59b9bc4b0f64b0d59fd40d182e68.exe
      2⤵
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 852
        3⤵
        • Program crash
        PID:772

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\Cab22.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar73.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2808-4-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2808-7-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2808-8-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/2808-62-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/3004-0-0x0000000000CC0000-0x0000000000D72000-memory.dmp
    Filesize

    712KB

  • memory/3004-1-0x00000000747F0000-0x0000000074EDE000-memory.dmp
    Filesize

    6.9MB

  • memory/3004-2-0x0000000004CE0000-0x0000000004D20000-memory.dmp
    Filesize

    256KB

  • memory/3004-3-0x0000000000780000-0x00000000007A6000-memory.dmp
    Filesize

    152KB

  • memory/3004-6-0x00000000747F0000-0x0000000074EDE000-memory.dmp
    Filesize

    6.9MB