Analysis

  • max time kernel
    90s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 12:39

General

  • Target
    9bb2135ce7a5e08da25f00075e520d80.exe
  • Size 133KB
  • Sample240214-pv4f7abf65
  • SHA256 ec817fade9377e25d4bff32b54dd8779afa569897b5945b1fc3cedf10f38fec9
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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\9bb2135ce7a5e08da25f00075e520d80.exe
    "C:\Users\Admin\AppData\Local\Temp\9bb2135ce7a5e08da25f00075e520d80.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Users\Admin\AppData\Local\Temp\9bb2135ce7a5e08da25f00075e520d80.exe
      C:\Users\Admin\AppData\Local\Temp\9bb2135ce7a5e08da25f00075e520d80.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4208

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        9bb2135ce7a5e08da25f00075e520d80.exe

        • Path C:\Users\Admin\AppData\Local\Temp\9bb2135ce7a5e08da25f00075e520d80.exe
        • Size 133KB
        • SHA256 db51abd034d62fddd57238f778e19e58316f0c171553a812e5b4edf65e04a207
        • MD5 SHA1 SHA512 SSDEEP

        memory/4208-15-0x00000000000D0000-0x00000000000F1000-memory.dmp

        memory/4208-17-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/4208-33-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/4980-0-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/4980-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

        memory/4980-2-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4980-13-0x0000000000400000-0x000000000041F000-memory.dmp