Analysis

  • max time kernel
    149s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2023 10:50

General

  • Target

    Set-up32Х64bit.exe

  • Size

    679.4MB

  • MD5

    966ec75230924b2b513a0863e9e7beaa

  • SHA1

    0e6e3a39a15a0d2070ac950319f385827d05f4de

  • SHA256

    695f49289cd6e738df053992689d2852ab0b409ed33381955b85c11cf7e1db6d

  • SHA512

    6bb2152db314eefebaffb0069382c454602ded0771d1ef0985ea06e0348d565d123beb40da434ae63eb84debfcf420c45da150bc0a9fa7d3701772b4c83bca95

  • SSDEEP

    12582912:3eQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQyQy:3ennnnnnnnnnnnnnnnnnnnnnnnnnnnnr

Malware Config

Extracted

Family

vidar

Version

4.3

Botnet

7b7fdb9f9b9361515285b7dadea32e20

C2

https://steamcommunity.com/profiles/76561199514261168

https://t.me/kamaprimo

Attributes
  • profile_id_v2

    7b7fdb9f9b9361515285b7dadea32e20

  • user_agent

    Mozilla/5.0 (Linux; U; Tizen 2.0; en-us) AppleWebKit/537.1 (KHTML, like Gecko) Mobile TizenBrowser/2.0

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Set-up32Х64bit.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-up32Х64bit.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3204

Network

MITRE ATT&CK Enterprise v6

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/3204-139-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-136-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-137-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-138-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-133-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-140-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-141-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-151-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3204-135-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-134-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB

  • memory/3204-218-0x0000000000160000-0x0000000000BF4000-memory.dmp

    Filesize

    10.6MB