Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2023 13:38

General

  • Target

    b1e4435d0ad9130d9f1a6355454883cc.exe

  • Size

    563KB

  • MD5

    b1e4435d0ad9130d9f1a6355454883cc

  • SHA1

    cc6fa54f06ec39e87b2fcbe1dfab3330edd913fd

  • SHA256

    a7871004d96e99be9bc56c380d202abe563cf9693b5603cc2104608e292de247

  • SHA512

    e8c26e22434ae91631b16455d2bde6de15533e89ad6db7e3a3f28473242ece632ec775be2f984d422a0ecf44b11c0dfab42b0283dd35380326ef5ff6c50cee6e

  • SSDEEP

    12288:E5af4cghIxOZuX86JY1oowOZ6XxAiVrjJgostVFVNV:Saf4cgus8XfeXv6T7YHFVNV

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 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe
    "C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe
      C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe
      2⤵
        PID:880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 1184
          3⤵
          • Program crash
          PID:3432
      • C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe
        C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe
        2⤵
          PID:1984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 880 -ip 880
        1⤵
          PID:3532

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/880-11-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/880-9-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/880-8-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/880-6-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/880-21-0x0000000000400000-0x00000000004A1000-memory.dmp
          Filesize

          644KB

        • memory/3188-0-0x0000000000C20000-0x0000000000CB0000-memory.dmp
          Filesize

          576KB

        • memory/3188-1-0x0000000075260000-0x0000000075A10000-memory.dmp
          Filesize

          7.7MB

        • memory/3188-2-0x0000000005740000-0x0000000005750000-memory.dmp
          Filesize

          64KB

        • memory/3188-4-0x00000000056B0000-0x0000000005726000-memory.dmp
          Filesize

          472KB

        • memory/3188-3-0x0000000005600000-0x0000000005622000-memory.dmp
          Filesize

          136KB

        • memory/3188-5-0x0000000005670000-0x000000000568E000-memory.dmp
          Filesize

          120KB

        • memory/3188-10-0x0000000075260000-0x0000000075A10000-memory.dmp
          Filesize

          7.7MB