Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 08:44

General

  • Target

    2f8410c9e4ecb1f13a60c58f52d98db3.exe

  • Size

    810KB

  • MD5

    2f8410c9e4ecb1f13a60c58f52d98db3

  • SHA1

    67046fb854573439492ee004e0f010cbef4ae7c6

  • SHA256

    385ae35320b34cb36b132d0945a583543b704e4ab65f8e111e72edc9b94f2f46

  • SHA512

    cc644a667e5cda8dfac8c7d88f27d3b323e54a39edd95eb983f51632765f18b97e0c9dbcd4f844d3bfd97a87dc8b99c29481a9ab555a4d8464f460b641250fe8

  • SSDEEP

    24576:Is8XfeXv6T7YHdmdOF61RR3NQH+J3DR8/RhJ62:fefeXvKsHdyOujm4TKN

Score
10/10

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.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 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
    "C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
      C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
      2⤵
        PID:2484
      • C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
        C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
        2⤵
          PID:2744
        • C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
          C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
          2⤵
            PID:2256
          • C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
            C:\Users\Admin\AppData\Local\Temp\2f8410c9e4ecb1f13a60c58f52d98db3.exe
            2⤵
            • Modifies system certificate store
            • Suspicious use of WriteProcessMemory
            PID:2084
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 840
              3⤵
              • Program crash
              PID:2924

        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\Cab6B91.tmp
          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar6BA4.tmp
          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • memory/2084-4-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/2084-6-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/2084-8-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/2084-62-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/2688-1-0x0000000074B50000-0x000000007523E000-memory.dmp
          Filesize

          6.9MB

        • memory/2688-0-0x0000000000120000-0x00000000001EE000-memory.dmp
          Filesize

          824KB

        • memory/2688-2-0x0000000004EA0000-0x0000000004EE0000-memory.dmp
          Filesize

          256KB

        • memory/2688-3-0x00000000004B0000-0x00000000004D8000-memory.dmp
          Filesize

          160KB

        • memory/2688-7-0x0000000074B50000-0x000000007523E000-memory.dmp
          Filesize

          6.9MB