Analysis

  • max time kernel
    20s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2024, 15:55

General

  • Target

    307fd2473bbe87ec23370dcf2944a4a0106f21c0286ffcf27026121f2fd92cbeN.exe

  • Size

    574KB

  • MD5

    84dc9e5f85faf4b3a38813e35e289450

  • SHA1

    d5b5eaa57b1bacedaec44723b5f3340936a800dc

  • SHA256

    307fd2473bbe87ec23370dcf2944a4a0106f21c0286ffcf27026121f2fd92cbe

  • SHA512

    ba3a40df870d0aba3987ee4f2993728fba4b69c8ef3661ca34945c068c343abcaf362716c21da4df122d267c1910b862e6208e53b08175c9291f77f0447eee7a

  • SSDEEP

    6144:XV55pRPQdrFhbEhtVacLaN//2gWF6lxcg/I:XDDGdDbEh/a3tw

Score
8/10

Malware Config

Signatures

  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 6 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\307fd2473bbe87ec23370dcf2944a4a0106f21c0286ffcf27026121f2fd92cbeN.exe
    "C:\Users\Admin\AppData\Local\Temp\307fd2473bbe87ec23370dcf2944a4a0106f21c0286ffcf27026121f2fd92cbeN.exe"
    1⤵
    • Looks for VMWare Tools registry key
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\SysWOW64\chkmon32.exe
      C:\Windows\system32\chkmon32.exe
      2⤵
      • Looks for VMWare Tools registry key
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2548

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Windows\SysWOW64\chkmon32.exe

          Filesize

          595KB

          MD5

          9eaa68fd35fe16a5cf760189f2672629

          SHA1

          b45a4a4b7433c2cc92e4fc9a78dcb254b010c50b

          SHA256

          de348e95a91804fa618e1a978cb99f5af91dbdf3449c5445ee003ad5cb01c8dd

          SHA512

          f54ea16aba07dd41e437fba2fcd676490cb45258021131c18b6bf71cb213530baf02632b505cc717f7f8717b01b40c582031b5db9f66b25e101ba2538abf83bd

        • memory/2332-0-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2332-13-0x0000000000490000-0x00000000004D8000-memory.dmp

          Filesize

          288KB

        • memory/2332-12-0x0000000000490000-0x00000000004D8000-memory.dmp

          Filesize

          288KB

        • memory/2332-15-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2548-14-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2548-17-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB