Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 11:40

General

  • Target
    e1943a9afa460e00d7a3f0add1fb7e39.exe
  • Size 5.1MB
  • Sample240327-ns838aed3s
  • SHA256 8b8ac00d777cbf36c384cf2b7d474f331f6b0318ba1966e9d306dac1c5f55168
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1943a9afa460e00d7a3f0add1fb7e39.exe
    "C:\Users\Admin\AppData\Local\Temp\e1943a9afa460e00d7a3f0add1fb7e39.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\e1943a9afa460e00d7a3f0add1fb7e39.exe
      C:\Users\Admin\AppData\Local\Temp\e1943a9afa460e00d7a3f0add1fb7e39.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4412

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        e1943a9afa460e00d7a3f0add1fb7e39.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e1943a9afa460e00d7a3f0add1fb7e39.exe
        • Size 5.1MB
        • SHA256 e8a3c82f1ab02b24bd8253764fced58e635ae052ae0fcf9e0f67205875560670
        • MD5 SHA1 SHA512 SSDEEP

        memory/2344-1-0x0000000000400000-0x0000000000D9E000-memory.dmp

        memory/2344-0-0x0000000000400000-0x0000000000605000-memory.dmp

        memory/2344-3-0x0000000002110000-0x000000000236A000-memory.dmp

        memory/2344-13-0x0000000000400000-0x0000000000605000-memory.dmp

        memory/4412-14-0x0000000000400000-0x0000000000D9E000-memory.dmp

        memory/4412-16-0x00000000021D0000-0x000000000242A000-memory.dmp

        memory/4412-33-0x0000000000400000-0x0000000000D9E000-memory.dmp