Resubmissions

14/01/2025, 09:11

250114-k5qwmatndx

29/02/2024, 21:21

240229-z7ptnsch3w

23/02/2024, 03:45

240223-ea6qpsaf9t10

23/02/2024, 02:03

240223-cg4htahg5x10

Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/02/2024, 03:45

General

  • Target
    e8028be583b1ea12a054ac8ae37abb2356e37f7c0aeff0ee40c17c9ac219973f.exe
  • Size 541KB
  • Sample240223-ea6qpsaf9t
  • SHA256 e8028be583b1ea12a054ac8ae37abb2356e37f7c0aeff0ee40c17c9ac219973f
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8028be583b1ea12a054ac8ae37abb2356e37f7c0aeff0ee40c17c9ac219973f.exe
    "C:\Users\Admin\AppData\Local\Temp\e8028be583b1ea12a054ac8ae37abb2356e37f7c0aeff0ee40c17c9ac219973f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\e8028be583b1ea12a054ac8ae37abb2356e37f7c0aeff0ee40c17c9ac219973f.exe
      "C:\Users\Admin\AppData\Local\Temp\e8028be583b1ea12a054ac8ae37abb2356e37f7c0aeff0ee40c17c9ac219973f.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 68
        3⤵
        • Program crash
        PID:476

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsy22CD.tmp\System.dll
        • Size 11KB
        • SHA256 7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
        • MD5 SHA1 SHA512 SSDEEP

        memory/1992-13-0x0000000077B20000-0x0000000077CC9000-memory.dmp

        memory/1992-14-0x0000000077D10000-0x0000000077DE6000-memory.dmp

        memory/1992-15-0x0000000010000000-0x0000000010006000-memory.dmp

        memory/2388-16-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2388-17-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2388-18-0x0000000077B20000-0x0000000077CC9000-memory.dmp

        memory/2388-19-0x0000000077D46000-0x0000000077D47000-memory.dmp

        memory/2388-20-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2388-43-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2388-44-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2388-45-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2388-46-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2388-47-0x0000000000400000-0x0000000001462000-memory.dmp

        memory/2388-48-0x0000000036990000-0x0000000036C93000-memory.dmp

        memory/2388-49-0x0000000077D10000-0x0000000077DE6000-memory.dmp