Overview

overview

8

Static

static

8

7c63f1598c...3a.exe

windows7_x64

8

7c63f1598c...3a.exe

windows10_x64

8

Analysis

  • max time kernel
    152s
  • max time network
    159s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    31/01/2022, 07:51

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General

  • Target
    7c63f1598c4dde4ea197093086dcfe3a.exe
  • Size 255KB
  • Sample220131-jpvdfahdg3
  • SHA256 637a87cb499b7cc4b35e835bb9ac32e4990fe848ba94130ebf37b652c1a8ca74
  • MD5 SHA1 SHA512
Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c63f1598c4dde4ea197093086dcfe3a.exe
    "C:\Users\Admin\AppData\Local\Temp\7c63f1598c4dde4ea197093086dcfe3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Users\Admin\AppData\Local\Temp\7c63f1598c4dde4ea197093086dcfe3a.exe
      2⤵
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3504
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\1968.vbs"
        3⤵
        • Deletes itself
        PID:4472
  • C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe
    "C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe
      2⤵
      • Executes dropped EXE
      PID:4196

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3504-118-0x0000000000400000-0x000000000040F000-memory.dmp
        Download

        memory/3504-119-0x0000000000400000-0x000000000040F000-memory.dmp
        Download

        memory/3504-120-0x0000000000400000-0x000000000040F000-memory.dmp
        Download