Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2023, 04:30

General

  • Target
    sorrilus.exe
  • Size 10.3MB
  • Sample231202-e49z8ahg91
  • SHA256 314278fc36d4bf2c2051c64b5dd274c6254e51c8db45bb5174750839f63bab53
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • AdWind

    A Java-based RAT family operated as malware-as-a-service.

  • Class file contains resources related to AdWind 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sorrilus.exe
    "C:\Users\Admin\AppData\Local\Temp\sorrilus.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Program Files\Java\jre7\bin\javaw.exe
      "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Sorillas-removedbackdoor.jar"
      2⤵
        PID:2192
      • C:\Program Files\Java\jre7\bin\javaw.exe
        "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\sorrilus.jar"
        2⤵
          PID:3032

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            Sorillas-removedbackdoor.jar

            • Path C:\Users\Admin\AppData\Local\Temp\Sorillas-removedbackdoor.jar
            • Size 10.0MB
            • SHA256 a3d0b59724e76cc3b4e4e132e0d344b679ae412b5e9c4faeb91bc33f45cbc5f6
            • MD5 SHA1 SHA512 SSDEEP

            sorrilus.jar

            • Path C:\Users\Admin\AppData\Local\Temp\sorrilus.jar
            • Size 639KB
            • SHA256 0bdc882b0cc311d814ac582592562f73a225701a474a023ceb8fa92a773fe5a2
            • MD5 SHA1 SHA512 SSDEEP

            memory/1656-0-0x0000000001090000-0x0000000001AE8000-memory.dmp

            memory/1656-1-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

            memory/1656-2-0x000000001BED0000-0x000000001BF50000-memory.dmp

            memory/1656-8-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

            memory/2192-17-0x0000000002640000-0x0000000005640000-memory.dmp

            memory/2192-29-0x0000000000230000-0x0000000000231000-memory.dmp

            memory/3032-12-0x0000000002520000-0x0000000005520000-memory.dmp

            memory/3032-28-0x0000000000130000-0x0000000000131000-memory.dmp