Analysis

  • max time kernel
    142s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2024, 01:45

General

  • Target
    ServerSetup.exe
  • Size 2.0MB
  • Sample240101-b6f85scca4
  • SHA256 bc25ea0accfc2382cde4574f2e0aa65ab62134bcc0398a7f6ba302501e555a2f
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ServerSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ServerSetup.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\ae12120\setup.exe
      C:\Users\Admin\AppData\Local\Temp\ae12120\setup.exe -d "C:\Users\Admin\AppData\Local\Temp"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2424

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Setup.ini

        • Path C:\Users\Admin\AppData\Local\Temp\ae12120\Setup.ini
        • Size 7KB
        • SHA256 ab039729077f4e2dae82285a6d01906838e424faa18b7781b8856f2f9707cac0
        • MD5 SHA1 SHA512 SSDEEP

        setup.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\ae12120\setup.bmp
        • Size 88KB
        • SHA256 b74de4075e086f1a8ab95ed5561a1518c729e3035b86cddb182f21742afd7848
        • MD5 SHA1 SHA512 SSDEEP

        ¼òÌåÖÐÎÄ.dat

        • Path C:\Users\Admin\AppData\Local\Temp\ae12120\¼òÌåÖÐÎÄ.dat
        • Size 4KB
        • SHA256 a00b95f9e9b0e3f7fb145eabd68be1688cab81adb399c23d8810ed0fc3e0293d
        • MD5 SHA1 SHA512 SSDEEP

        setup.exe

        • Path \Users\Admin\AppData\Local\Temp\ae12120\setup.exe
        • Size 149KB
        • SHA256 2208362d112c755d569a03e28282b30dd53ddd79fe44dcde6ecad23ea82b37b2
        • MD5 SHA1 SHA512 SSDEEP

        memory/2400-11-0x00000000020C0000-0x0000000002131000-memory.dmp

        memory/2424-14-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2424-19-0x0000000000230000-0x00000000002A1000-memory.dmp

        memory/2424-23-0x0000000000400000-0x0000000000471000-memory.dmp