Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 01:35

General

  • Target

    9967333e71cb9d20c01e54504586c51651cf090306eb21dba9c477f209ea61ab.exe

  • Size

    94KB

  • MD5

    235126a6fcdd952ce3adf837e72455b7

  • SHA1

    05553713fd87ae701ccb8d92b1a07257659eb970

  • SHA256

    9967333e71cb9d20c01e54504586c51651cf090306eb21dba9c477f209ea61ab

  • SHA512

    2e4e3b2482031eec7d345899743541cfca0b5936e7244c10f5352fa8b2b26ae3044a52c916031e666740af972c405adb93f4906368f7e6b4fbc5a0791ec948fe

  • SSDEEP

    1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlB:eSABNx6vb4RoI4pyjHYLhal01UoPX+h0

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 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.

  • 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\9967333e71cb9d20c01e54504586c51651cf090306eb21dba9c477f209ea61ab.exe
    "C:\Users\Admin\AppData\Local\Temp\9967333e71cb9d20c01e54504586c51651cf090306eb21dba9c477f209ea61ab.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\fytjuhv.exe "C:\Users\Admin\AppData\Local\Temp\9967333e71cb9d20c01e54504586c51651cf090306eb21dba9c477f209ea61ab.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3316
      • 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:2016
      • \??\c:\fytjuhv.exe
        c:\fytjuhv.exe "C:\Users\Admin\AppData\Local\Temp\9967333e71cb9d20c01e54504586c51651cf090306eb21dba9c477f209ea61ab.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2060
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\cnfde\jbudw.dll",DoVirusScan c:\fytjuhv.exe
          4⤵
          • Blocklisted process makes network request
          • 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:3652

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\fytjuhv.exe

          Filesize

          94KB

          MD5

          012b52b30fcba353718a19cba796bb5a

          SHA1

          d99d8c607e00580edf47f327f910ed7b97e5c9e4

          SHA256

          89167f31763ab46812ac0e2a43d7a50c1c5012dcbe77df262c5fe91c43ff85cc

          SHA512

          519d8dd14c835e979b4cf7bda4ce71b67eff974a1f85b3420a3cfe6ab23ca862a2ebcdd1cd5a2697158a6432733ea8f645c408c8fc184a42b7a829528c0696a9

        • \??\c:\cnfde\jbudw.dll

          Filesize

          50KB

          MD5

          cbfc06794d16ace6adf42210183fc1b9

          SHA1

          74fc68a2af225b0aca954b3684940747511013c5

          SHA256

          b2d21c40c5bfc0f7695945946fa1cdd4eaf2f66a8391ddde6307c5f765fbf525

          SHA512

          181dbe8b63e28a81cb8e0b7240df8745da350e1ab433b157b8b4fd36aa10f0782e807c09563bcffe37cfe64aa1b514b2cc1f179fbcba422d96867179d88e13c9

        • memory/2060-7-0x0000000000400000-0x0000000000417000-memory.dmp

          Filesize

          92KB

        • memory/2284-0-0x0000000000400000-0x0000000000417000-memory.dmp

          Filesize

          92KB

        • memory/2284-2-0x0000000000400000-0x0000000000417000-memory.dmp

          Filesize

          92KB

        • memory/3652-10-0x0000000010000000-0x0000000010032000-memory.dmp

          Filesize

          200KB

        • memory/3652-11-0x0000000010001000-0x0000000010021000-memory.dmp

          Filesize

          128KB

        • memory/3652-12-0x0000000010000000-0x0000000010032000-memory.dmp

          Filesize

          200KB

        • memory/3652-13-0x0000000010001000-0x0000000010021000-memory.dmp

          Filesize

          128KB