Analysis

  • max time kernel
    101s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2025, 09:01

General

  • Target

    obfus2.exe

  • Size

    1.5MB

  • MD5

    fd490afa1de4699862b5950ea751af37

  • SHA1

    72c8f24b54e8fb12ade27dc0dc483f5c96b16f7c

  • SHA256

    c10b9a9c1202b0f18670a8599b5aa6852dddf40b12b7cf5a3787acd813d8a23c

  • SHA512

    0839bd2cb8653c0fe67154dc1a1b2976f99cbe5d9a1e71236d66f4290ec323f32b03120191aa18d5db5d623cb0320978929887a18523c82e210aba0fbb144a08

  • SSDEEP

    24576:G42/US2eWBRwRR16zhHIPbcNK0KKm77yviUSQaZaOwI55l2S62r9zC5u6a1DFI:GZ/u7wR2EgKKm77LrwCB6Pw

Score
10/10

Malware Config

Extracted

Family

quasar

C2

��:a>՘�后��s��6�F�l濺�,@ 3&�

Attributes
  • encryption_key

    0A2600918F5E13281DD3F3E3CF35CA2FEACB6884

  • reconnect_delay

    3000

  • startup_key

    �� D���s�+���\� r8t$�

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\obfus2.exe
    "C:\Users\Admin\AppData\Local\Temp\obfus2.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2648

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2648-0-0x00007FFB130E3000-0x00007FFB130E5000-memory.dmp

    Filesize

    8KB

  • memory/2648-1-0x000001E581E50000-0x000001E581FDE000-memory.dmp

    Filesize

    1.6MB

  • memory/2648-2-0x000001E582530000-0x000001E58254A000-memory.dmp

    Filesize

    104KB

  • memory/2648-3-0x00007FFB130E0000-0x00007FFB13BA1000-memory.dmp

    Filesize

    10.8MB

  • memory/2648-5-0x000001E583E10000-0x000001E583E4A000-memory.dmp

    Filesize

    232KB

  • memory/2648-4-0x000001E583DC0000-0x000001E583DD2000-memory.dmp

    Filesize

    72KB

  • memory/2648-6-0x000001E59C790000-0x000001E59C7E0000-memory.dmp

    Filesize

    320KB

  • memory/2648-7-0x000001E59C8A0000-0x000001E59C952000-memory.dmp

    Filesize

    712KB

  • memory/2648-8-0x000001E583E50000-0x000001E583E9E000-memory.dmp

    Filesize

    312KB

  • memory/2648-9-0x000001E59C7E0000-0x000001E59C82C000-memory.dmp

    Filesize

    304KB

  • memory/2648-11-0x000001E583DD0000-0x000001E583DFA000-memory.dmp

    Filesize

    168KB

  • memory/2648-10-0x000001E59C830000-0x000001E59C87A000-memory.dmp

    Filesize

    296KB

  • memory/2648-14-0x000001E59D0D0000-0x000001E59D0E2000-memory.dmp

    Filesize

    72KB

  • memory/2648-15-0x000001E59D130000-0x000001E59D16C000-memory.dmp

    Filesize

    240KB

  • memory/2648-16-0x00007FFB130E3000-0x00007FFB130E5000-memory.dmp

    Filesize

    8KB

  • memory/2648-17-0x00007FFB130E0000-0x00007FFB13BA1000-memory.dmp

    Filesize

    10.8MB