Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 23:10

General

  • Target

    8d9b0ab6fe990d1372a2b932d26bf95c.exe

  • Size

    4.6MB

  • MD5

    8d9b0ab6fe990d1372a2b932d26bf95c

  • SHA1

    5e7a9a0697e0dbf7f46683a916af0dadd32c2d3e

  • SHA256

    098cd0ad43bde05484a110f4a60ede71472f3c77d8edcf64fca1c1eafdbaae0a

  • SHA512

    c733874a41cb0fcd5ddcd86aa043c71dc99911e5c31c778fdfa089300f17cd36cc1b1a1dc7f453ff1e21c41bdafcea1973986b94fa94575063effa0781a1f2eb

  • SSDEEP

    98304:5nq/RqOFNic0xg+USnxfTNa1ICDmQJbxrLCjD8fPxv9zVjvQsJnhK1B7br:5nOqOicr+USnxbgeCNbUXAx5VjvPJn8b

Score
8/10

Malware Config

Signatures

  • Stops running service(s) 3 TTPs
  • Uses Session Manager for persistence 2 TTPs 3 IoCs

    Creates Session Manager registry key to run executable early in system boot.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d9b0ab6fe990d1372a2b932d26bf95c.exe
    "C:\Users\Admin\AppData\Local\Temp\8d9b0ab6fe990d1372a2b932d26bf95c.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
      2⤵
      • Creates scheduled task(s)
      PID:2732
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      PID:2168
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:2124
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:2572
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:2652

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2216-0-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/2216-1-0x00000000035D0000-0x00000000036CF000-memory.dmp

          Filesize

          1020KB

        • memory/2216-3-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-20-0x0000000006F60000-0x0000000006F61000-memory.dmp

          Filesize

          4KB

        • memory/2216-19-0x0000000006F30000-0x0000000006F31000-memory.dmp

          Filesize

          4KB

        • memory/2216-30-0x0000000006EC0000-0x0000000006EC1000-memory.dmp

          Filesize

          4KB

        • memory/2216-29-0x0000000006E30000-0x0000000006E31000-memory.dmp

          Filesize

          4KB

        • memory/2216-28-0x0000000006DD0000-0x0000000006DD1000-memory.dmp

          Filesize

          4KB

        • memory/2216-27-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

          Filesize

          4KB

        • memory/2216-31-0x0000000006F00000-0x0000000006F01000-memory.dmp

          Filesize

          4KB

        • memory/2216-26-0x0000000006DF0000-0x0000000006DF1000-memory.dmp

          Filesize

          4KB

        • memory/2216-25-0x0000000006F40000-0x0000000006F41000-memory.dmp

          Filesize

          4KB

        • memory/2216-24-0x00000000071E0000-0x00000000071E2000-memory.dmp

          Filesize

          8KB

        • memory/2216-23-0x0000000006E90000-0x0000000006E91000-memory.dmp

          Filesize

          4KB

        • memory/2216-22-0x0000000006F50000-0x0000000006F51000-memory.dmp

          Filesize

          4KB

        • memory/2216-21-0x0000000001D70000-0x0000000001D71000-memory.dmp

          Filesize

          4KB

        • memory/2216-18-0x0000000006EE0000-0x0000000006EE1000-memory.dmp

          Filesize

          4KB

        • memory/2216-17-0x0000000006E40000-0x0000000006E41000-memory.dmp

          Filesize

          4KB

        • memory/2216-16-0x0000000006F20000-0x0000000006F21000-memory.dmp

          Filesize

          4KB

        • memory/2216-15-0x0000000006F80000-0x0000000006F81000-memory.dmp

          Filesize

          4KB

        • memory/2216-14-0x0000000006EB0000-0x0000000006EB2000-memory.dmp

          Filesize

          8KB

        • memory/2216-13-0x0000000006F70000-0x0000000006F71000-memory.dmp

          Filesize

          4KB

        • memory/2216-12-0x0000000006ED0000-0x0000000006ED2000-memory.dmp

          Filesize

          8KB

        • memory/2216-11-0x0000000006E50000-0x0000000006E51000-memory.dmp

          Filesize

          4KB

        • memory/2216-10-0x0000000006EA0000-0x0000000006EA2000-memory.dmp

          Filesize

          8KB

        • memory/2216-9-0x0000000006E80000-0x0000000006E81000-memory.dmp

          Filesize

          4KB

        • memory/2216-8-0x0000000006E10000-0x0000000006E11000-memory.dmp

          Filesize

          4KB

        • memory/2216-7-0x0000000006DB0000-0x0000000006DB1000-memory.dmp

          Filesize

          4KB

        • memory/2216-6-0x0000000006DC0000-0x0000000006DC2000-memory.dmp

          Filesize

          8KB

        • memory/2216-5-0x0000000006E00000-0x0000000006E01000-memory.dmp

          Filesize

          4KB

        • memory/2216-4-0x0000000006E20000-0x0000000006E21000-memory.dmp

          Filesize

          4KB

        • memory/2216-32-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-33-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/2216-34-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-35-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-39-0x0000000006FA0000-0x0000000006FA1000-memory.dmp

          Filesize

          4KB

        • memory/2216-38-0x0000000006EF0000-0x0000000006EF1000-memory.dmp

          Filesize

          4KB

        • memory/2216-40-0x0000000007110000-0x0000000007112000-memory.dmp

          Filesize

          8KB

        • memory/2216-37-0x0000000006E60000-0x0000000006E61000-memory.dmp

          Filesize

          4KB

        • memory/2216-36-0x0000000006E70000-0x0000000006E71000-memory.dmp

          Filesize

          4KB

        • memory/2216-41-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-42-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-43-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-44-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-45-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-46-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-47-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-48-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-49-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-50-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-51-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB

        • memory/2216-52-0x0000000000400000-0x0000000001C9E000-memory.dmp

          Filesize

          24.6MB