Analysis

  • max time kernel
    141s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    24/04/2023, 18:57

General

  • Target

    build2.exe

  • Size

    453KB

  • MD5

    770db2929307f3de98c1944fcd4adf92

  • SHA1

    d84b969b5f77353f734ec251660b71f11f2a76bf

  • SHA256

    581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb

  • SHA512

    5bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03

  • SSDEEP

    12288:CxZzXIpPqZYHChjN0H4cmL5tW35TkH9+fnW:CTzXIlGYiHvcms54HofW

Malware Config

Extracted

Family

vidar

Version

3.6

Botnet

5cb879265de0011bfc7588d5d251aee6

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes
  • profile_id_v2

    5cb879265de0011bfc7588d5d251aee6

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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:2044
    • C:\Users\Admin\AppData\Local\Temp\build2.exe
      "C:\Users\Admin\AppData\Local\Temp\build2.exe"
      2⤵
        PID:1096

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1096-56-0x0000000000400000-0x0000000000472000-memory.dmp

            Filesize

            456KB

          • memory/1096-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/1096-59-0x0000000000400000-0x0000000000472000-memory.dmp

            Filesize

            456KB

          • memory/1096-60-0x0000000000400000-0x0000000000472000-memory.dmp

            Filesize

            456KB

          • memory/1096-65-0x0000000000400000-0x0000000000472000-memory.dmp

            Filesize

            456KB

          • memory/1096-67-0x0000000000400000-0x0000000000472000-memory.dmp

            Filesize

            456KB

          • memory/2044-58-0x00000000002E0000-0x000000000033E000-memory.dmp

            Filesize

            376KB