Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2024, 13:10

General

  • Target
    Stadigheder43.exe
  • Size 894KB
  • Sample241030-qech7stfng
  • SHA256 2fba62d26b23162edc673374335d575688b00d1467d936618793d28ec3729ad6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Stadigheder43.exe
    "C:\Users\Admin\AppData\Local\Temp\Stadigheder43.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\Stadigheder43.exe
      "C:\Users\Admin\AppData\Local\Temp\Stadigheder43.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2540

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nso6385.tmp\System.dll
        • Size 11KB
        • SHA256 b80a5cba69d1853ed5979b0ca0352437bf368a5cfb86cb4528edadd410e11352
        • MD5 SHA1 SHA512 SSDEEP

        memory/2540-50-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2540-52-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2540-59-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2540-53-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2540-51-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2540-24-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2540-26-0x0000000076D60000-0x0000000076F09000-memory.dmp

        memory/2540-48-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2540-49-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2824-20-0x0000000003680000-0x0000000005EA3000-memory.dmp

        memory/2824-21-0x0000000003680000-0x0000000005EA3000-memory.dmp

        memory/2824-25-0x0000000003680000-0x0000000005EA3000-memory.dmp

        memory/2824-23-0x0000000076D60000-0x0000000076F09000-memory.dmp

        memory/2824-22-0x0000000076D61000-0x0000000076E62000-memory.dmp