Analysis

  • max time kernel
    101s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 22:30

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.24423.19936.exe

  • Size

    389KB

  • MD5

    dc25367580940e04fdbf1b41a4668dd6

  • SHA1

    62e8ef3cfa7eb33d59e46cfe2ee1cba3600cf4a9

  • SHA256

    71f865d049fb8a9d07c0e65fcfa174e200dc5fd1e9de3af19f5d77f8a2014305

  • SHA512

    612f0ac06684a2662f67a68fda021287b397ebaa76c9f781d4fad14bf6e94daf12d1978e1f14c13369e3987f094382f52af90f4d6979fa9c535d2dac64db5075

  • SSDEEP

    6144:y0bIsnW+IgPCq6z0RBwhlKmutkJ5RytVuq/i/o7jSIUeH0Jf7fBBr:yDsW+IgPCXvvKmuqfy7ogStM0JfjH

Malware Config

Extracted

Family

vidar

Version

55.9

Botnet

909

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    909

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
  • 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
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24423.19936.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24423.19936.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24423.19936.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24423.19936.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:1628

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll
    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll
    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/1216-54-0x0000000074F01000-0x0000000074F03000-memory.dmp
    Filesize

    8KB

  • memory/1216-55-0x0000000001100000-0x0000000001168000-memory.dmp
    Filesize

    416KB

  • memory/1628-63-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB

  • memory/1628-61-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB

  • memory/1628-59-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB

  • memory/1628-65-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB

  • memory/1628-66-0x000000000042353C-mapping.dmp
  • memory/1628-68-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB

  • memory/1628-71-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB

  • memory/1628-72-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/1628-57-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB

  • memory/1628-56-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB

  • memory/1628-92-0x0000000000400000-0x000000000045F000-memory.dmp
    Filesize

    380KB