Analysis

  • max time kernel
    163s
  • max time network
    196s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 17:23

General

  • Target
    file.exe
  • Size 340KB
  • Sample221011-vx44dsfda3
  • SHA256 aa2b5d5f5e91f673c6ad75dfdf35c33ebda273b5ca96d5d4897cb791ba23d16a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 55

Botnet
  • 1703

C2
  • https://t.me/truewallets

  • https://mas.to/@zara99

  • http://116.203.10.3:80

Attributes
  • profile_id

    1703

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Modifies system certificate store 2 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1960

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        mozglue.dll

        • Path \ProgramData\mozglue.dll
        • Size 593KB
        • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path \ProgramData\nss3.dll
        • Size 2.0MB
        • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
        • MD5 SHA1 SHA512 SSDEEP

        memory/1960-54-0x0000000076321000-0x0000000076323000-memory.dmp

        memory/1960-55-0x0000000000A1B000-0x0000000000A4B000-memory.dmp

        memory/1960-56-0x0000000000820000-0x0000000000874000-memory.dmp

        memory/1960-57-0x0000000000400000-0x00000000005B3000-memory.dmp

        memory/1960-58-0x0000000000A1B000-0x0000000000A4B000-memory.dmp

        memory/1960-59-0x0000000000820000-0x0000000000874000-memory.dmp

        memory/1960-60-0x0000000000400000-0x00000000005B3000-memory.dmp

        memory/1960-61-0x0000000061E00000-0x0000000061EF3000-memory.dmp