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Analysis

  • max time kernel
    298s
  • max time network
    300s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2024, 16:59

General

  • Target

    Exodus.exe

  • Size

    3.1MB

  • MD5

    bec3e464678accc2e79d7d6a965df8c8

  • SHA1

    3aa1473e714c37a886e47363b89fc7d0a1dde2d7

  • SHA256

    768a227e5aa261aa0874c31ddd3069783bad6f9963d1b6422879c4cc0368e85f

  • SHA512

    556f89d50cebee601ffeb247c11dad83b99d763d3673afc1d9e96c0a173b611ad88135a8f63c9cc1588a9d3e65d04b0a1f9ddd67d4b8ec30aa5f6a0bbe417f05

  • SSDEEP

    49152:Jvht62XlaSFNWPjljiFa2RoUYI5xrEDkYk/JxaoGdZTHHB72eh2NT:JvL62XlaSFNWPjljiFXRoUYI5xFs

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.56.1:4782

Mutex

8fde6e55-a760-4124-8db0-c35d8826b33b

Attributes
  • encryption_key

    A606BBF3ED6B131B2AE59080A334668BA1692C31

  • install_name

    Exodus.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Update

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Exodus.exe
    "C:\Users\Admin\AppData\Local\Temp\Exodus.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Exodus.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1484
    • C:\Users\Admin\AppData\Roaming\SubDir\Exodus.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\Exodus.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4748
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Exodus.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Exodus.exe.log

    Filesize

    1KB

    MD5

    baf55b95da4a601229647f25dad12878

    SHA1

    abc16954ebfd213733c4493fc1910164d825cac8

    SHA256

    ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

    SHA512

    24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

  • C:\Users\Admin\AppData\Roaming\SubDir\Exodus.exe

    Filesize

    3.1MB

    MD5

    bec3e464678accc2e79d7d6a965df8c8

    SHA1

    3aa1473e714c37a886e47363b89fc7d0a1dde2d7

    SHA256

    768a227e5aa261aa0874c31ddd3069783bad6f9963d1b6422879c4cc0368e85f

    SHA512

    556f89d50cebee601ffeb247c11dad83b99d763d3673afc1d9e96c0a173b611ad88135a8f63c9cc1588a9d3e65d04b0a1f9ddd67d4b8ec30aa5f6a0bbe417f05

  • memory/1120-0-0x00007FFEEDD43000-0x00007FFEEDD45000-memory.dmp

    Filesize

    8KB

  • memory/1120-1-0x00000000001E0000-0x000000000050C000-memory.dmp

    Filesize

    3.2MB

  • memory/1120-2-0x00007FFEEDD40000-0x00007FFEEE801000-memory.dmp

    Filesize

    10.8MB

  • memory/1120-9-0x00007FFEEDD40000-0x00007FFEEE801000-memory.dmp

    Filesize

    10.8MB

  • memory/4748-10-0x00007FFEEDD40000-0x00007FFEEE801000-memory.dmp

    Filesize

    10.8MB

  • memory/4748-11-0x00007FFEEDD40000-0x00007FFEEE801000-memory.dmp

    Filesize

    10.8MB

  • memory/4748-12-0x0000000002690000-0x00000000026E0000-memory.dmp

    Filesize

    320KB

  • memory/4748-13-0x000000001B7D0000-0x000000001B882000-memory.dmp

    Filesize

    712KB

  • memory/4748-14-0x00007FFEEDD40000-0x00007FFEEE801000-memory.dmp

    Filesize

    10.8MB