Analysis

  • max time kernel
    143s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/04/2024, 11:28

General

  • Target

    b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe

  • Size

    278KB

  • MD5

    b6bbb03b84e589433f139d88ca24c62d

  • SHA1

    2eeeed07176de200eaf5bc207852781ddc5da2b5

  • SHA256

    b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd

  • SHA512

    09075709691b8fba668184b2469c5bdc7174bcb3e16de2d046bf7abff6257f941e36d2a28db2e42b88807e1ba3c15165875fb82485c621d60f9001bed62ee4de

  • SSDEEP

    6144:5ok6GPg9b2t0eQnQqRRtf3G82ed6JcVsk:5D6GPg9b2t5+jRtfJdJB

Malware Config

Extracted

Family

vidar

Version

8.6

Botnet

debff3f4f38e9beeaf8e215a762c8549

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes
  • profile_id_v2

    debff3f4f38e9beeaf8e215a762c8549

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe
    "C:\Users\Admin\AppData\Local\Temp\b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 2352
          3⤵
          • Program crash
          PID:1476
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 844
        2⤵
        • Program crash
        PID:4260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4972 -ip 4972
      1⤵
        PID:3204
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3964 -ip 3964
        1⤵
          PID:1052

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/3964-6-0x0000000000400000-0x0000000000644000-memory.dmp

                Filesize

                2.3MB

              • memory/3964-9-0x0000000000400000-0x0000000000644000-memory.dmp

                Filesize

                2.3MB

              • memory/3964-11-0x0000000000400000-0x0000000000644000-memory.dmp

                Filesize

                2.3MB

              • memory/4972-0-0x0000000000E80000-0x0000000000EC8000-memory.dmp

                Filesize

                288KB

              • memory/4972-1-0x0000000074800000-0x0000000074FB0000-memory.dmp

                Filesize

                7.7MB

              • memory/4972-2-0x00000000058B0000-0x00000000058C0000-memory.dmp

                Filesize

                64KB

              • memory/4972-3-0x00000000057C0000-0x00000000057C1000-memory.dmp

                Filesize

                4KB

              • memory/4972-12-0x0000000003340000-0x0000000005340000-memory.dmp

                Filesize

                32.0MB

              • memory/4972-19-0x0000000074800000-0x0000000074FB0000-memory.dmp

                Filesize

                7.7MB