Analysis

  • max time kernel
    146s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2024, 18:53

General

  • Target

    c1599b70e4145735dd29e4ca674619b2.exe

  • Size

    228KB

  • MD5

    c1599b70e4145735dd29e4ca674619b2

  • SHA1

    4ef50fe0e43b28d29e59e00a9a06860c1314a1f1

  • SHA256

    b2a3e747888965b0379759c9619f8d283678b32fdd0de6f3503a022b57f78d3d

  • SHA512

    a6bf37915f297b3ab163a6c4ed3233cbf347bbf16d42bd25c1bbe32f8be4c5c191f7f9dcd5900eaf3f9c6919d21ff1e4bcc2d2ad86c9e1ee0d52d848eea374b1

  • SSDEEP

    3072:1c52nLeK1ZmLIgI4TDsvaw3V8n6T+C8dwcEgzlJY8No1LnOIQkioYxiTT3:G52l1ZOZIYDArzPGEgzlJY8Kn0QTT3

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1599b70e4145735dd29e4ca674619b2.exe
    "C:\Users\Admin\AppData\Local\Temp\c1599b70e4145735dd29e4ca674619b2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 3052 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\c1599b70e4145735dd29e4ca674619b2.exe" & start C:\Users\Admin\AppData\Local\aszas.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 3052
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3020
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:2784
      • C:\Users\Admin\AppData\Local\aszas.exe
        C:\Users\Admin\AppData\Local\aszas.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\aszas.exe

    Filesize

    228KB

    MD5

    c1599b70e4145735dd29e4ca674619b2

    SHA1

    4ef50fe0e43b28d29e59e00a9a06860c1314a1f1

    SHA256

    b2a3e747888965b0379759c9619f8d283678b32fdd0de6f3503a022b57f78d3d

    SHA512

    a6bf37915f297b3ab163a6c4ed3233cbf347bbf16d42bd25c1bbe32f8be4c5c191f7f9dcd5900eaf3f9c6919d21ff1e4bcc2d2ad86c9e1ee0d52d848eea374b1

  • memory/2356-16-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2356-15-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2356-22-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2356-21-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2356-11-0x00000000001B0000-0x00000000001B2000-memory.dmp

    Filesize

    8KB

  • memory/2356-10-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2356-14-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2356-20-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2356-19-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2356-18-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/3052-0-0x0000000000230000-0x0000000000232000-memory.dmp

    Filesize

    8KB

  • memory/3052-3-0x0000000000220000-0x0000000000222000-memory.dmp

    Filesize

    8KB

  • memory/3052-1-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/3052-4-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB