Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 01:33

General

  • Target

    5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe

  • Size

    157KB

  • MD5

    ef6b151670589c2d5251cf8eb37f2ab8

  • SHA1

    0af04d5b1d2e2f844065c7285f1ef94b18f1a1b4

  • SHA256

    5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28

  • SHA512

    17a6a49d5b5e4aec38a86fa830c46a1ead78a484469471c19cdc4966aa5c0fe8bf124931ec38ec2567bc159634802589358a2fa06a93ff19ac05ca99373c443e

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe
    "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mijlm.exe "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2212
      • C:\Users\Admin\AppData\Local\Temp\mijlm.exe
        C:\Users\Admin\AppData\Local\Temp\\mijlm.exe "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4220
        • \??\c:\Program Files\oswtv\tag.exe
          "c:\Program Files\oswtv\tag.exe" "c:\Program Files\oswtv\tagkn.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\mijlm.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\oswtv\tag.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • C:\Users\Admin\AppData\Local\Temp\mijlm.exe

    Filesize

    158KB

    MD5

    e7c5a07d123c6025cc261bcea5b1b849

    SHA1

    045042f48f95683ea0f95845c9c408d679c2ed4f

    SHA256

    317cd4ccaea13487bbe8b87f31648b651a67500256aec3b9f2dfc91bfa365773

    SHA512

    9728c065df435a1466a9d7b3b7d56c3ed92d5870aa70919596aa9e3f5b226026a9b47500872d29df11b74344508b69459b12b5824ed9ffe2cb7e4bc356973719

  • \??\c:\Program Files\oswtv\tagkn.dll

    Filesize

    128KB

    MD5

    8332a5d6f9dbb61e6d5479f9fdf2e6f3

    SHA1

    ec6147be44935ec29c3f8944f13515a93dfef3ba

    SHA256

    92ad748e4127604a12a853ad94075527bd48668ae79d77d5b27ddb151c93ad04

    SHA512

    46c373eaccafb954ab5ad618fc972e9350db36379577bbc6f0904412120e01d426dff243d01ee8cbf11591fb03807c07ac801cac7aaa60ecdd69fd8234661850

  • memory/2176-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2176-3-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2428-16-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2428-17-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2428-19-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2428-22-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/4220-12-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB