Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 16:39

General

  • Target

    f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe

  • Size

    2.5MB

  • MD5

    f85dd19dc69ace93e973bd0111676b98

  • SHA1

    31b16ef143997f726ef06e8e40118ee8662913b9

  • SHA256

    eca8b55abc0da9ef5ba867fafc91be160b5cc41732eb492524c2ed5a1f1f2757

  • SHA512

    b42f0dc0fb9f2e9f48159429eae1c5241659ec193137f5a5278f33329398ac3b46edb1e35e99a2253fc8f85dbbd93874a103f8d1c40bbb4327d135a611437e79

  • SSDEEP

    12288:9erTc6gygZxDXaAc2FnkiRtr7xC0jt6XoDIFvGpA562MrtOiwk3Ta77Hp0fWAUm0:9TqAvT/6YcFeK62MrtsfvvYFyFuofD

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

127.0.0.1:4782

Mutex

26665e14-4c4f-48fa-a94f-112ea3960adc

Attributes
  • encryption_key

    AD76909CB7E41A1165C69A30DC0727471C5BDBB3

  • 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 payload 2 IoCs
  • 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\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2236

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2236-0-0x0000000000510000-0x0000000000592000-memory.dmp

    Filesize

    520KB

  • memory/2236-1-0x0000000001F20000-0x0000000001FA4000-memory.dmp

    Filesize

    528KB

  • memory/2236-2-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp

    Filesize

    9.9MB

  • memory/2236-3-0x000000001B830000-0x000000001B8B0000-memory.dmp

    Filesize

    512KB

  • memory/2236-4-0x000000001B830000-0x000000001B8B0000-memory.dmp

    Filesize

    512KB

  • memory/2236-5-0x000000013FF80000-0x00000001401F2000-memory.dmp

    Filesize

    2.4MB

  • memory/2236-6-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp

    Filesize

    9.9MB

  • memory/2236-8-0x000000001B830000-0x000000001B8B0000-memory.dmp

    Filesize

    512KB

  • memory/2236-9-0x000000001B830000-0x000000001B8B0000-memory.dmp

    Filesize

    512KB

  • memory/2236-21-0x000000013FF80000-0x00000001401F2000-memory.dmp

    Filesize

    2.4MB