Analysis

  • max time kernel
    82s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 23:22

General

  • Target

    575567a58c70a1b17fce84ae2c8a8dd52d348789c3e96934caf06d9d2764cc68.exe

  • Size

    764KB

  • MD5

    b21d897ea72d018d7e6542ece5e9eef1

  • SHA1

    37114b76fc709c25fe8335bf6758c414e75b1872

  • SHA256

    575567a58c70a1b17fce84ae2c8a8dd52d348789c3e96934caf06d9d2764cc68

  • SHA512

    26a0733033975b2501861ba5d10d6e54e406967e9a42b95491bc8b7522e322b339b3014278d9389e387797089fa363b7fbfdf5fe6e35c84d0e0dc1afdb749579

Score
10/10

Malware Config

Extracted

Family

vidar

Version

41.4

Botnet

937

C2

https://mas.to/@sslam

Attributes
  • profile_id

    937

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 3 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\575567a58c70a1b17fce84ae2c8a8dd52d348789c3e96934caf06d9d2764cc68.exe
    "C:\Users\Admin\AppData\Local\Temp\575567a58c70a1b17fce84ae2c8a8dd52d348789c3e96934caf06d9d2764cc68.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 364 -s 1344
      2⤵
      • Program crash
      PID:832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/364-54-0x0000000075591000-0x0000000075593000-memory.dmp
    Filesize

    8KB

  • memory/364-55-0x00000000008AB000-0x0000000000927000-memory.dmp
    Filesize

    496KB

  • memory/364-56-0x00000000002D0000-0x00000000003A6000-memory.dmp
    Filesize

    856KB

  • memory/364-57-0x0000000000400000-0x00000000007F0000-memory.dmp
    Filesize

    3.9MB

  • memory/364-58-0x00000000008AB000-0x0000000000927000-memory.dmp
    Filesize

    496KB

  • memory/364-59-0x0000000000400000-0x00000000007F0000-memory.dmp
    Filesize

    3.9MB

  • memory/832-60-0x0000000000000000-mapping.dmp