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Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 06:17

General

  • Target

    dc5b8b01235220bc9da62efbbd81775861c327b8fcdb64750d0679261dfce9a4.exe

  • Size

    153KB

  • MD5

    9b720aee6f6fefef3d7b3374d3771ccb

  • SHA1

    7aa9d3b0d6d29f7638a540f7d049cac67ab587bf

  • SHA256

    dc5b8b01235220bc9da62efbbd81775861c327b8fcdb64750d0679261dfce9a4

  • SHA512

    62136647dfa7dc13aabe21a3a169bf7556ea58545c9735379c89ab6b06f52b854c963b05678859e6b8a41d21b501b7b2f343bfc779adc60f1aa594131ab188e4

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dIE:OPjEl6jLiQ1JW+Oy3p/N

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 2 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
  • 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\dc5b8b01235220bc9da62efbbd81775861c327b8fcdb64750d0679261dfce9a4.exe
    "C:\Users\Admin\AppData\Local\Temp\dc5b8b01235220bc9da62efbbd81775861c327b8fcdb64750d0679261dfce9a4.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qngawxzgh.exe "C:\Users\Admin\AppData\Local\Temp\dc5b8b01235220bc9da62efbbd81775861c327b8fcdb64750d0679261dfce9a4.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2856
      • C:\Users\Admin\AppData\Local\Temp\qngawxzgh.exe
        C:\Users\Admin\AppData\Local\Temp\\qngawxzgh.exe "C:\Users\Admin\AppData\Local\Temp\dc5b8b01235220bc9da62efbbd81775861c327b8fcdb64750d0679261dfce9a4.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5008
        • \??\c:\Program Files\rkdbb\sdpaeh.exe
          "c:\Program Files\rkdbb\sdpaeh.exe" "c:\Program Files\rkdbb\sdpaeh.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\qngawxzgh.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\rkdbb\sdpaeh.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    153KB

    MD5

    ec6effdc61a219746d5c676466936d95

    SHA1

    c7b5647f0f00669bea05295ee228420329d97b41

    SHA256

    b2722144f56bb6c87735f9d1ae18ea70b593c0243d48c96a8465c9011a8e07f1

    SHA512

    8a95c8843d438eca2aa43df4eecf2f1929e17fc792d1f5355320ed59b145b33930a566911a28e57ecb68465c6269afd430e082d0d317749c18e0a8ec276c46de

  • \??\c:\Program Files\rkdbb\sdpaeh.dll

    Filesize

    128KB

    MD5

    7194bc0ccb8dfd8c6c852fb341b25d8f

    SHA1

    a5092edc8c0586669a791a12a2842dcb685c032f

    SHA256

    92ac52d81ed494e436dff2828559531f5e8a39dd874ff3cc8d0b0a81552a3829

    SHA512

    12a0afc2244e8cd23e86b271d3491161fe9eb4b2a1e9166d1b662eb07763c2b6f9002aa3c86023a5230c091582f5448cbe7d3e6bccfc7630237e6ab0cd068611

  • memory/1296-16-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/1296-17-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/1296-19-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/1296-21-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/4484-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/4484-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/5008-6-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/5008-12-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB