Analysis

  • max time kernel
    135s
  • max time network
    175s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 04:32

General

  • Target

    ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44.exe

  • Size

    37KB

  • MD5

    cee7a6c99ae62d85fec0bd5b96de41e3

  • SHA1

    5df3e434749d6d575d2ef6e5620750fd4b150dad

  • SHA256

    ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44

  • SHA512

    658f6b2b51ee9ef998299d9ab4bc6c56d9eaf89ee2ff2a12c65a23236fedb76e17bfea9533fd4526d0a1c8ab3510afda19da9447d501f8a62b487df3e2935c69

  • SSDEEP

    768:edIZ/alwuAknNWuCMQpb0ruFm1YqTrmHwbLyMyI:edILlknNU4rOobbLynI

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44.exe
    "C:\Users\Admin\AppData\Local\Temp\ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44.exe
      "C:\Users\Admin\AppData\Local\Temp\ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
        "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1240
        • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
          "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:852
          • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe
            "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe" "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\ceebe2e47c6a1704b526a980354bf62ac54cc10acbc213973500a7ed0aea0f44.exe
            5⤵
              PID:432

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

      Filesize

      37KB

      MD5

      945bc3246e4155e2a37b7d648c7ae85d

      SHA1

      aaf6839bf1e71de61d15b4785654d43ab39952e8

      SHA256

      2d233afdf07434def421391fd5a8d77dc48bb4b5fe5b1989aabf5dd303d15612

      SHA512

      d27e6c1efda84e0c4ebd94913f5a7437fddc62ed99fece278b0ea9e8e0eb67fb1091a23871a3c4d2b038d5092299a71b25494188a41ea25f7fda53df7786b68b

    • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

      Filesize

      37KB

      MD5

      945bc3246e4155e2a37b7d648c7ae85d

      SHA1

      aaf6839bf1e71de61d15b4785654d43ab39952e8

      SHA256

      2d233afdf07434def421391fd5a8d77dc48bb4b5fe5b1989aabf5dd303d15612

      SHA512

      d27e6c1efda84e0c4ebd94913f5a7437fddc62ed99fece278b0ea9e8e0eb67fb1091a23871a3c4d2b038d5092299a71b25494188a41ea25f7fda53df7786b68b

    • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

      Filesize

      37KB

      MD5

      945bc3246e4155e2a37b7d648c7ae85d

      SHA1

      aaf6839bf1e71de61d15b4785654d43ab39952e8

      SHA256

      2d233afdf07434def421391fd5a8d77dc48bb4b5fe5b1989aabf5dd303d15612

      SHA512

      d27e6c1efda84e0c4ebd94913f5a7437fddc62ed99fece278b0ea9e8e0eb67fb1091a23871a3c4d2b038d5092299a71b25494188a41ea25f7fda53df7786b68b

    • \Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

      Filesize

      37KB

      MD5

      945bc3246e4155e2a37b7d648c7ae85d

      SHA1

      aaf6839bf1e71de61d15b4785654d43ab39952e8

      SHA256

      2d233afdf07434def421391fd5a8d77dc48bb4b5fe5b1989aabf5dd303d15612

      SHA512

      d27e6c1efda84e0c4ebd94913f5a7437fddc62ed99fece278b0ea9e8e0eb67fb1091a23871a3c4d2b038d5092299a71b25494188a41ea25f7fda53df7786b68b

    • \Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

      Filesize

      37KB

      MD5

      945bc3246e4155e2a37b7d648c7ae85d

      SHA1

      aaf6839bf1e71de61d15b4785654d43ab39952e8

      SHA256

      2d233afdf07434def421391fd5a8d77dc48bb4b5fe5b1989aabf5dd303d15612

      SHA512

      d27e6c1efda84e0c4ebd94913f5a7437fddc62ed99fece278b0ea9e8e0eb67fb1091a23871a3c4d2b038d5092299a71b25494188a41ea25f7fda53df7786b68b

    • memory/432-85-0x0000000000000000-mapping.dmp

    • memory/852-87-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/852-84-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/852-79-0x0000000000403C40-mapping.dmp

    • memory/1240-69-0x0000000000000000-mapping.dmp

    • memory/2020-60-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2020-66-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2020-65-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2020-64-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2020-63-0x0000000076411000-0x0000000076413000-memory.dmp

      Filesize

      8KB

    • memory/2020-61-0x0000000000403C40-mapping.dmp

    • memory/2020-55-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2020-59-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2020-58-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2020-57-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2020-54-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB