Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2024, 04:09

General

  • Target
    4a669f8e9893cf0ad63eb6f03939e82b.exe
  • Size 5.3MB
  • Sample240108-eqstsabgh9
  • SHA256 65dee9045c2f245ea2be22f53fb37eaeb750ed13b011d8a02c1a96f9761483f6
  • 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.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a669f8e9893cf0ad63eb6f03939e82b.exe
    "C:\Users\Admin\AppData\Local\Temp\4a669f8e9893cf0ad63eb6f03939e82b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Users\Admin\AppData\Local\Temp\4a669f8e9893cf0ad63eb6f03939e82b.exe
      C:\Users\Admin\AppData\Local\Temp\4a669f8e9893cf0ad63eb6f03939e82b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:4816

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        4a669f8e9893cf0ad63eb6f03939e82b.exe

        • Path C:\Users\Admin\AppData\Local\Temp\4a669f8e9893cf0ad63eb6f03939e82b.exe
        • Size 820KB
        • SHA256 1a1d42d732c70204c3f4481822fce92a9caf54a55f3b186d09428d0ea4dcca3b
        • MD5 SHA1 SHA512 SSDEEP

        memory/4764-0-0x0000000000400000-0x000000000086A000-memory.dmp

        memory/4764-1-0x0000000001870000-0x0000000001982000-memory.dmp

        memory/4764-2-0x0000000000400000-0x00000000005F2000-memory.dmp

        memory/4764-14-0x0000000000400000-0x00000000005F2000-memory.dmp

        memory/4816-15-0x0000000000400000-0x000000000086A000-memory.dmp

        memory/4816-16-0x0000000000400000-0x00000000005F2000-memory.dmp

        memory/4816-17-0x0000000001CC0000-0x0000000001DD2000-memory.dmp

        memory/4816-24-0x0000000000400000-0x000000000086A000-memory.dmp