Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2025 02:16

General

  • Target

    1ec8c408399a662ff7cdd60cbc8c241559cc4e7b159ffa63ac9751d96dbb8c16.exe

  • Size

    3.1MB

  • MD5

    62ecc4488afeb613a7c810bd440b576b

  • SHA1

    246e4ef9a77cea86b1e4d30dc2ebe6e4b029fd7e

  • SHA256

    1ec8c408399a662ff7cdd60cbc8c241559cc4e7b159ffa63ac9751d96dbb8c16

  • SHA512

    268a1d3eee2f5c1e306a3fe007fd7869903de21f92e89bfeca85790e7703985f358f07fb8f82dce74ccf917af1b28f546de9ef193221e2269c6d10ac501f4a75

  • SSDEEP

    49152:3vbI22SsaNYfdPBldt698dBcjH4dRJ6NbR3LoGdDiN1THHB72eh2NT:3vk22SsaNYfdPBldt6+dBcjH4dRJ6fT

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

100.108.37.105:4444

Mutex

95a85978-c10d-4a09-935b-c02a2a18a609

Attributes
  • encryption_key

    6FDAA03D192B9C03BF83E41A8BBF78996D321E27

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ec8c408399a662ff7cdd60cbc8c241559cc4e7b159ffa63ac9751d96dbb8c16.exe
    "C:\Users\Admin\AppData\Local\Temp\1ec8c408399a662ff7cdd60cbc8c241559cc4e7b159ffa63ac9751d96dbb8c16.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2448-0-0x000007FEF55A3000-0x000007FEF55A4000-memory.dmp

    Filesize

    4KB

  • memory/2448-1-0x00000000010D0000-0x00000000013F4000-memory.dmp

    Filesize

    3.1MB

  • memory/2448-2-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

    Filesize

    9.9MB

  • memory/2448-3-0x000007FEF55A3000-0x000007FEF55A4000-memory.dmp

    Filesize

    4KB

  • memory/2448-4-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

    Filesize

    9.9MB