Overview

overview

8

Static

static

8

9e82f7ce7d...da.exe

windows7_x64

8

9e82f7ce7d...da.exe

windows10_x64

8

Analysis

  • max time kernel
    115s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28/01/2022, 04:30

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General

  • Target
    9e82f7ce7da347741a694e92fec675da.exe
  • Size 255KB
  • Sample220128-e4t9rsfedq
  • SHA256 0df5702c52e06bd6d414f4f1fd95b22816e3e90d5a852ff254ee1286af669fdf
  • 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\9e82f7ce7da347741a694e92fec675da.exe
    "C:\Users\Admin\AppData\Local\Temp\9e82f7ce7da347741a694e92fec675da.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Users\Admin\AppData\Local\Temp\9e82f7ce7da347741a694e92fec675da.exe
      2⤵
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\3337.vbs"
        3⤵
        • Deletes itself
        PID:2032
  • 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:2760
    • C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe
      2⤵
      • Executes dropped EXE
      PID:388

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3948-115-0x0000000000400000-0x000000000040F000-memory.dmp
        Download

        memory/3948-116-0x0000000000400000-0x000000000040F000-memory.dmp
        Download

        memory/3948-117-0x0000000000400000-0x000000000040F000-memory.dmp
        Download