Resubmissions

17-06-2022 20:38

220617-zevjfsfgf6 10

19-04-2022 05:58

220419-gn6c7sbef7 10

Analysis

  • max time kernel
    57s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    17-06-2022 20:38

General

  • Target

    build2.exe

  • Size

    603KB

  • MD5

    a13e3b18282318c65f096bad322b3c50

  • SHA1

    2c76179e95e583b588bcd516e94e7a2da52d5299

  • SHA256

    ba981a94852325debf0e4b478266f6efd8e4e9c5b149fd9ad277be0be5045768

  • SHA512

    acb009f4b622ab7e8729dac2c45da975ba2305612c9575e5c8ce221edecf2d49da2236fc28b00d8f424a251765b935d8acce7bf40a1557d9fc79ba446250e786

Score
10/10

Malware Config

Extracted

Family

vidar

Version

51.4

Botnet

517

C2

https://t.me/hi20220403

https://mastodon.social/@sam5al

Attributes
  • profile_id

    517

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build2.exe
    "C:\Users\Admin\AppData\Local\Temp\build2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\build2.exe
      "C:\Users\Admin\AppData\Local\Temp\build2.exe"
      2⤵
      • Modifies system certificate store
      PID:1944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1936-57-0x00000000002AE000-0x0000000000316000-memory.dmp

    Filesize

    416KB

  • memory/1936-59-0x0000000001C20000-0x0000000001CC8000-memory.dmp

    Filesize

    672KB

  • memory/1944-54-0x0000000000400000-0x00000000004AA000-memory.dmp

    Filesize

    680KB

  • memory/1944-55-0x00000000004717BA-mapping.dmp

  • memory/1944-58-0x00000000757C1000-0x00000000757C3000-memory.dmp

    Filesize

    8KB

  • memory/1944-60-0x0000000000400000-0x00000000004AA000-memory.dmp

    Filesize

    680KB

  • memory/1944-61-0x0000000000400000-0x00000000004AA000-memory.dmp

    Filesize

    680KB

  • memory/1944-62-0x0000000000400000-0x00000000004AA000-memory.dmp

    Filesize

    680KB