Analysis

  • max time kernel
    92s
  • max time network
    112s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-06-2024 09:11

General

  • Target

    0b482e2ab1e7617208c8c1efb813fa9068ffef7e6838a4e3480306556a9a8360.exe

  • Size

    2.4MB

  • MD5

    783e39299c7629c4f388b029645e558c

  • SHA1

    8c381c89c48665c907ebb53302d598f671f26901

  • SHA256

    0b482e2ab1e7617208c8c1efb813fa9068ffef7e6838a4e3480306556a9a8360

  • SHA512

    9dcb071810a55807dae7a1c594be5e6e206f63abcf62d521e1a27770e5ac5abdfed3e1498122e4b2de3ff49f29bf81069b29827b71ec82e8748f98fa43ae31c5

  • SSDEEP

    49152:bRynbaHbGJeBwbxc3C4BVEIamvPurzsuvRUwca8OxzTYMeGusZk81bbaonFo:NynbaWeBw1HIEIameviwcaBosTZ5iZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

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

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

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b482e2ab1e7617208c8c1efb813fa9068ffef7e6838a4e3480306556a9a8360.exe
    "C:\Users\Admin\AppData\Local\Temp\0b482e2ab1e7617208c8c1efb813fa9068ffef7e6838a4e3480306556a9a8360.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4048-54-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-16-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-2-0x00000000764C0000-0x00000000765B0000-memory.dmp

    Filesize

    960KB

  • memory/4048-3-0x00000000764C0000-0x00000000765B0000-memory.dmp

    Filesize

    960KB

  • memory/4048-4-0x00000000764C0000-0x00000000765B0000-memory.dmp

    Filesize

    960KB

  • memory/4048-7-0x0000000000C20000-0x00000000012CA000-memory.dmp

    Filesize

    6.7MB

  • memory/4048-8-0x0000000005C30000-0x0000000005CCC000-memory.dmp

    Filesize

    624KB

  • memory/4048-9-0x0000000005CD0000-0x0000000005DA4000-memory.dmp

    Filesize

    848KB

  • memory/4048-10-0x0000000005C00000-0x0000000005C1C000-memory.dmp

    Filesize

    112KB

  • memory/4048-12-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-14-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-32-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-70-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-68-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-0-0x0000000000C20000-0x00000000012CA000-memory.dmp

    Filesize

    6.7MB

  • memory/4048-78-0x00000000764C0000-0x00000000765B0000-memory.dmp

    Filesize

    960KB

  • memory/4048-77-0x0000000000C20000-0x00000000012CA000-memory.dmp

    Filesize

    6.7MB

  • memory/4048-65-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-62-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-60-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-58-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-56-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-11-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-1-0x00000000764D6000-0x00000000764D7000-memory.dmp

    Filesize

    4KB

  • memory/4048-44-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-48-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-46-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-50-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-42-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-40-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-38-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-36-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-34-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-30-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-28-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-26-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-24-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-22-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-66-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-20-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-18-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4048-52-0x0000000005C00000-0x0000000005C15000-memory.dmp

    Filesize

    84KB

  • memory/4816-83-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4816-76-0x00000000764C0000-0x00000000765B0000-memory.dmp

    Filesize

    960KB

  • memory/4816-71-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4816-73-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4816-130-0x00000000764C0000-0x00000000765B0000-memory.dmp

    Filesize

    960KB