Analysis

  • max time kernel
    76s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 10:35

General

  • Target

    0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701.exe

  • Size

    133KB

  • MD5

    79458260aa580746d3b57a91ae1670e1

  • SHA1

    ee0ad61c0ee06f225d3f928a920191b42674f660

  • SHA256

    0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701

  • SHA512

    33a923212c7e5eaa857a8084a43bc01bf95c3889d4da92b670a9b1d728a8e07468648ac0dc37c8fdcca7d6f821ca7ae953c1413b520c060dfac3aa9fa68c040c

  • SSDEEP

    3072:0HqyyeUlmNpxTC+ep3wHYfT9iNSiIp3pHZ2tzj:LynTpa3wHY79iN0HM

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 4 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 13 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 4 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1352
      • C:\Users\Admin\AppData\Local\Temp\0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701.exe
        "C:\Users\Admin\AppData\Local\Temp\0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1160
        • C:\Users\Admin\AppData\Local\Temp\0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701.exe
          "C:\Users\Admin\AppData\Local\Temp\0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701.exe"
          3⤵
          • Loads dropped DLL
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1892
          • C:\Windows\SysWOW64\igfxhc32.exe
            "C:\Windows\SysWOW64\igfxhc32.exe" C:\Users\Admin\AppData\Local\Temp\0CE260~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1516
            • C:\Windows\SysWOW64\igfxhc32.exe
              "C:\Windows\SysWOW64\igfxhc32.exe" C:\Users\Admin\AppData\Local\Temp\0CE260~1.EXE
              5⤵
              • Modifies firewall policy service
              • Executes dropped EXE
              • Deletes itself
              • 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:616

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxhc32.exe

      Filesize

      133KB

      MD5

      79458260aa580746d3b57a91ae1670e1

      SHA1

      ee0ad61c0ee06f225d3f928a920191b42674f660

      SHA256

      0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701

      SHA512

      33a923212c7e5eaa857a8084a43bc01bf95c3889d4da92b670a9b1d728a8e07468648ac0dc37c8fdcca7d6f821ca7ae953c1413b520c060dfac3aa9fa68c040c

    • C:\Windows\SysWOW64\igfxhc32.exe

      Filesize

      133KB

      MD5

      79458260aa580746d3b57a91ae1670e1

      SHA1

      ee0ad61c0ee06f225d3f928a920191b42674f660

      SHA256

      0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701

      SHA512

      33a923212c7e5eaa857a8084a43bc01bf95c3889d4da92b670a9b1d728a8e07468648ac0dc37c8fdcca7d6f821ca7ae953c1413b520c060dfac3aa9fa68c040c

    • C:\Windows\SysWOW64\igfxhc32.exe

      Filesize

      133KB

      MD5

      79458260aa580746d3b57a91ae1670e1

      SHA1

      ee0ad61c0ee06f225d3f928a920191b42674f660

      SHA256

      0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701

      SHA512

      33a923212c7e5eaa857a8084a43bc01bf95c3889d4da92b670a9b1d728a8e07468648ac0dc37c8fdcca7d6f821ca7ae953c1413b520c060dfac3aa9fa68c040c

    • \Windows\SysWOW64\igfxhc32.exe

      Filesize

      133KB

      MD5

      79458260aa580746d3b57a91ae1670e1

      SHA1

      ee0ad61c0ee06f225d3f928a920191b42674f660

      SHA256

      0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701

      SHA512

      33a923212c7e5eaa857a8084a43bc01bf95c3889d4da92b670a9b1d728a8e07468648ac0dc37c8fdcca7d6f821ca7ae953c1413b520c060dfac3aa9fa68c040c

    • \Windows\SysWOW64\igfxhc32.exe

      Filesize

      133KB

      MD5

      79458260aa580746d3b57a91ae1670e1

      SHA1

      ee0ad61c0ee06f225d3f928a920191b42674f660

      SHA256

      0ce260afe33043646f81229acacddff1780e811ff639a12d6f74ab8780c6a701

      SHA512

      33a923212c7e5eaa857a8084a43bc01bf95c3889d4da92b670a9b1d728a8e07468648ac0dc37c8fdcca7d6f821ca7ae953c1413b520c060dfac3aa9fa68c040c

    • memory/616-83-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/616-87-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/616-85-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/616-73-0x0000000000000000-mapping.dmp

    • memory/1352-88-0x0000000002670000-0x000000000268E000-memory.dmp

      Filesize

      120KB

    • memory/1516-70-0x0000000000000000-mapping.dmp

    • memory/1892-66-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-54-0x0000000000000000-mapping.dmp

    • memory/1892-63-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-67-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-56-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-58-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-62-0x0000000075A91000-0x0000000075A93000-memory.dmp

      Filesize

      8KB

    • memory/1892-55-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-59-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-65-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-86-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-64-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1892-61-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB