Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2024 19:03

General

  • Target

    1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe

  • Size

    158KB

  • MD5

    e2a98bfcab2a0340857e17c262fd6498

  • SHA1

    dc53f223dab50dc942a8856df50a1a78b525665b

  • SHA256

    1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66

  • SHA512

    6729582dc791b71748755465c86d1219bdd0b4f1ab11f1ecfb912f9b1d72a68bbeda85607bc5a3a2191598480425563de2f9dce399d55f7f4edf1d7e8d20f906

  • 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\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe
    "C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\kfnpnyw.exe "C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4488
      • 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:1556
      • C:\Users\Admin\AppData\Local\Temp\kfnpnyw.exe
        C:\Users\Admin\AppData\Local\Temp\\kfnpnyw.exe "C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.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:1996
        • \??\c:\Program Files\bupesoog\ojzcxa.exe
          "c:\Program Files\bupesoog\ojzcxa.exe" "c:\Program Files\bupesoog\ojzcxa.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\kfnpnyw.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:2268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\bupesoog\ojzcxa.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    158KB

    MD5

    8861fb5c54d507e68f62b6ece73c3bd7

    SHA1

    aed458224932b9eef613d9b0b9be7ec61b74cd90

    SHA256

    e86d2e2e85cf7406842e857073cfe24b60774e8a75c519ea72bdef747366b2fc

    SHA512

    d75260849fc69d28a908b491faa6f62846dd5d08ec5a9502c1453672d6e15f311d1a32e0747a0df52e8f53863e91bea4f768fe70f5c7e2d572f6ce746ca8413c

  • \??\c:\Program Files\bupesoog\ojzcxa.dll

    Filesize

    128KB

    MD5

    a158053e725e710f1de6aa0a66b91c79

    SHA1

    99014362b6e7aeffe054855d02175ec3e9c0d451

    SHA256

    4f2e34993e71337ecdfee80a2b622e62f1c386eea415ef12f0879b75d5c9cc89

    SHA512

    4918c23805e8d0c299d20a6096c8bb13549247459554033e516de1bc274b8136e1a3289b0abcd7fe046763bb52b85747153e30d8a15b0ee68f2e37b6c15bdb90

  • memory/1996-12-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2268-16-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2268-17-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2268-19-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2268-21-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/4852-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/4852-3-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB