Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    13-05-2024 22:07

General

  • Target

    265ccc5b2dc0c825f7d1a65dd3145340_NeikiAnalytics.exe

  • Size

    3.1MB

  • MD5

    265ccc5b2dc0c825f7d1a65dd3145340

  • SHA1

    7111d7905bbe47c59a7f1759793f2d2ef6b6c5e1

  • SHA256

    d34a1086238301234ba85e975fadc050a14b224317a0dd211070fe5c4467f18c

  • SHA512

    804c89ee1120334d9dc9009c42ee0dd8568b31afc0f1d045ea39a51acf71817e803a3cf2f31482cee4973da4b7ba6f24eda7f5c4f72c1eaaad7fb26ac33ffec2

  • SSDEEP

    49152:XvmI22SsaNYfdPBldt698dBcjH8tXRJ6mbR3LoGdxQTHHB72eh2NT:Xvr22SsaNYfdPBldt6+dBcjHsXRJ6g

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Clients

C2

greenindianman-49703.portmap.host:49703

Mutex

a81b3de7-2166-4055-925d-fe9dc1d9d6bf

Attributes
  • encryption_key

    95AA1BBAC73B9C4A85C5C9CA17AB01066062736A

  • install_name

    WinRar.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Task Manager

  • subdirectory

    WinRar

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 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\265ccc5b2dc0c825f7d1a65dd3145340_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\265ccc5b2dc0c825f7d1a65dd3145340_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "Task Manager" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\WinRar\WinRar.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2148
    • C:\Users\Admin\AppData\Roaming\WinRar\WinRar.exe
      "C:\Users\Admin\AppData\Roaming\WinRar\WinRar.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Windows\system32\schtasks.exe
        "schtasks" /create /tn "Task Manager" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\WinRar\WinRar.exe" /rl HIGHEST /f
        3⤵
        • Creates scheduled task(s)
        PID:1220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\WinRar\WinRar.exe

    Filesize

    3.1MB

    MD5

    265ccc5b2dc0c825f7d1a65dd3145340

    SHA1

    7111d7905bbe47c59a7f1759793f2d2ef6b6c5e1

    SHA256

    d34a1086238301234ba85e975fadc050a14b224317a0dd211070fe5c4467f18c

    SHA512

    804c89ee1120334d9dc9009c42ee0dd8568b31afc0f1d045ea39a51acf71817e803a3cf2f31482cee4973da4b7ba6f24eda7f5c4f72c1eaaad7fb26ac33ffec2

  • memory/2084-0-0x000007FEF5963000-0x000007FEF5964000-memory.dmp

    Filesize

    4KB

  • memory/2084-1-0x0000000000CB0000-0x0000000000FD4000-memory.dmp

    Filesize

    3.1MB

  • memory/2084-2-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

    Filesize

    9.9MB

  • memory/2084-11-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

    Filesize

    9.9MB

  • memory/2596-8-0x0000000000030000-0x0000000000354000-memory.dmp

    Filesize

    3.1MB

  • memory/2596-9-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

    Filesize

    9.9MB

  • memory/2596-10-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

    Filesize

    9.9MB

  • memory/2596-12-0x000007FEF5960000-0x000007FEF634C000-memory.dmp

    Filesize

    9.9MB