Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 22:44

General

  • Target

    60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe

  • Size

    156KB

  • MD5

    57722deabd5f20d54a21b3c0b49f8bf4

  • SHA1

    ab2a91b35089eb1a54bee31af7c42697d9f17f7e

  • SHA256

    60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9

  • SHA512

    8ae50eeb90442202b4f813db1c146b03a4d466de0c58b82defda9d83014f2d739151956a5a543049a78a985fd13b8370cc1b9cd72cb65f03c7a57c397e492589

  • SSDEEP

    3072:x7qLZmhWAc+eB1zQavj53G2pPH+knVojoA8HBoJgTWVY:xQAPevzQav122xjVAZ8mGTR

Malware Config

Signatures

  • Detects executables containing base64 encoded User Agent 7 IoCs
  • Blocklisted process makes network request 8 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe
    "C:\Users\Admin\AppData\Local\Temp\60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ilzvai.exe "C:\Users\Admin\AppData\Local\Temp\60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2940
      • C:\Users\Admin\AppData\Local\Temp\ilzvai.exe
        C:\Users\Admin\AppData\Local\Temp\\ilzvai.exe "C:\Users\Admin\AppData\Local\Temp\60c16539cb507afa99a81a30dd83227c7dd9ebbafec8be72d9cc00d368f563b9.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3968
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\dzsguz\iiwwi.iwi",SHA1 C:\Users\Admin\AppData\Local\Temp\ilzvai.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ilzvai.exe

    Filesize

    157KB

    MD5

    5a1bdf984f86bdf4a321b67a199fabf9

    SHA1

    77717ac9d34265315b899b9a354436d402dfd3d6

    SHA256

    3ce5fc6f7ec90e24c7b8d8340f816a121d9447c9388ad448b4b843cdcb4c141f

    SHA512

    12d4fa1d3461d8689fd489891f4493c58ca586a342977b7da9f08d545c86d40ce12bb8bd489cea5a9dd5bae2d12d88e1e623b1a788a7f71a6a705c7c91dea323

  • \??\c:\dzsguz\iiwwi.iwi

    Filesize

    83KB

    MD5

    4993bd7ca91574843d5a608c532151a4

    SHA1

    72ff0d8e4ccee88738b3ab8bdb52b9474e0ef55e

    SHA256

    489855558b5a997477f7c95a05e7adcbf6001e06bd80e29b01fdabdb006cdbbb

    SHA512

    13418193723dace324d5b91a8162a09521640bc6e401c841bb0644de8ec9a762912f2afd588be8845a30b2f59ac10ab2eaa0b356068d1503792a30a826ed075c

  • memory/1052-8-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB

  • memory/1052-9-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB

  • memory/1052-10-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB

  • memory/1052-7-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB

  • memory/1052-11-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB

  • memory/1052-13-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB

  • memory/1052-15-0x0000000010000000-0x0000000010027000-memory.dmp

    Filesize

    156KB