Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2022 00:58

General

  • Target

    2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9.exe

  • Size

    260KB

  • MD5

    8301de0df88ac7095d48d1cca98252b1

  • SHA1

    5641827c0c9d0e80179a832a6613f07a5c30fb0e

  • SHA256

    2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9

  • SHA512

    9f5e96ec405472632a469ca2324ab35e7d366d1f14d654a818799091ebf8ce7cce17cbd7347c3cabfd4132e5b02d1c917d7d0ee1ab63bf087ec5288dccea924a

  • SSDEEP

    3072:D3sUtq7WH2ZRTUKGkpRu2yW0pXUAICQKBorhlAF4EojNbD2sFDAmeB3mIH3J:D3sUESHsRQKfwtTRqh3ZSmeB3xHZ

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 8 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 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 22 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3060
      • C:\Users\Admin\AppData\Local\Temp\2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9.exe
        "C:\Users\Admin\AppData\Local\Temp\2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:820
        • C:\Users\Admin\AppData\Local\Temp\2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9.exe
          "C:\Users\Admin\AppData\Local\Temp\2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9.exe"
          3⤵
          • Checks computer location settings
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1612
          • C:\Windows\SysWOW64\wmpdt86.exe
            "C:\Windows\SysWOW64\wmpdt86.exe" C:\Users\Admin\AppData\Local\Temp\2D123A~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:5044
            • C:\Windows\SysWOW64\wmpdt86.exe
              "C:\Windows\SysWOW64\wmpdt86.exe" C:\Users\Admin\AppData\Local\Temp\2D123A~1.EXE
              5⤵
              • Modifies firewall policy service
              • Executes dropped EXE
              • Adds Run key to start application
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1652

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\wmpdt86.exe

      Filesize

      260KB

      MD5

      8301de0df88ac7095d48d1cca98252b1

      SHA1

      5641827c0c9d0e80179a832a6613f07a5c30fb0e

      SHA256

      2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9

      SHA512

      9f5e96ec405472632a469ca2324ab35e7d366d1f14d654a818799091ebf8ce7cce17cbd7347c3cabfd4132e5b02d1c917d7d0ee1ab63bf087ec5288dccea924a

    • C:\Windows\SysWOW64\wmpdt86.exe

      Filesize

      260KB

      MD5

      8301de0df88ac7095d48d1cca98252b1

      SHA1

      5641827c0c9d0e80179a832a6613f07a5c30fb0e

      SHA256

      2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9

      SHA512

      9f5e96ec405472632a469ca2324ab35e7d366d1f14d654a818799091ebf8ce7cce17cbd7347c3cabfd4132e5b02d1c917d7d0ee1ab63bf087ec5288dccea924a

    • C:\Windows\SysWOW64\wmpdt86.exe

      Filesize

      260KB

      MD5

      8301de0df88ac7095d48d1cca98252b1

      SHA1

      5641827c0c9d0e80179a832a6613f07a5c30fb0e

      SHA256

      2d123a8f5c12b1c2d2867144eaa3f7fffec566236017253bc0de76fa0defb6b9

      SHA512

      9f5e96ec405472632a469ca2324ab35e7d366d1f14d654a818799091ebf8ce7cce17cbd7347c3cabfd4132e5b02d1c917d7d0ee1ab63bf087ec5288dccea924a

    • memory/820-135-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1612-133-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1612-138-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1612-139-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/1612-137-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1612-136-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1612-143-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1612-132-0x0000000000000000-mapping.dmp

    • memory/1652-144-0x0000000000000000-mapping.dmp

    • memory/1652-151-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1652-152-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/5044-140-0x0000000000000000-mapping.dmp

    • memory/5044-148-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB