Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 08:29

General

  • Target

    6129a8293f509d2526bddf354847bbb8616f87fbb02b1742f7aa1587427b39fe.exe

  • Size

    3.0MB

  • MD5

    00aaa8c805c07e482998dd38aa13494e

  • SHA1

    0670a644e0d2409673d720fce79752325b79a0ad

  • SHA256

    6129a8293f509d2526bddf354847bbb8616f87fbb02b1742f7aa1587427b39fe

  • SHA512

    912b0bfef3e2a4163215cde8baaa87de799f446f5ad2e992b280bc7a48dd0c02d12d90a39dfd7868e9ec2fe2d55bf16a46ddf0d88b79e5116368e392f11e6de4

  • SSDEEP

    49152:RA8TC+hAnConu42lq9Hlv2JRwyueYmZxE6/Ldx6yfgVHQT:Tlq9s+oYGnIeT

Malware Config

Extracted

Family

vidar

Version

11

Botnet

0e5230b602d95e61d4d9d1fb0ffc74cd

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 13 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6129a8293f509d2526bddf354847bbb8616f87fbb02b1742f7aa1587427b39fe.exe
    "C:\Users\Admin\AppData\Local\Temp\6129a8293f509d2526bddf354847bbb8616f87fbb02b1742f7aa1587427b39fe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:440
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GIJJKKJJDAAA" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3444
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/440-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/440-1-0x00000000008E0000-0x0000000000BDE000-memory.dmp

    Filesize

    3.0MB

  • memory/440-2-0x0000000005680000-0x000000000571C000-memory.dmp

    Filesize

    624KB

  • memory/440-3-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/440-4-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/440-5-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/440-6-0x0000000005970000-0x0000000005B4C000-memory.dmp

    Filesize

    1.9MB

  • memory/440-7-0x0000000005C50000-0x0000000005D70000-memory.dmp

    Filesize

    1.1MB

  • memory/440-8-0x0000000005920000-0x0000000005942000-memory.dmp

    Filesize

    136KB

  • memory/440-15-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3948-14-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-59-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-25-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-26-0x00000000224A0000-0x00000000226FF000-memory.dmp

    Filesize

    2.4MB

  • memory/3948-41-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-42-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-58-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-24-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-12-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-9-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-83-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-84-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-91-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/3948-92-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB