Analysis

  • max time kernel
    150s
  • 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
    09-11-2024 21:01

General

  • Target

    31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe

  • Size

    612KB

  • MD5

    37b0bf8deb5f81a3ec3421ca00fad8b8

  • SHA1

    91c596ea171011327a8d5cef9f7e9a3e1fe469c8

  • SHA256

    31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb

  • SHA512

    a38624bdc3205965d5c8ec9c3b0d9c541df267973673dd4c0dfede3b47d90bc05ab15a9f2738cc3ee48792557552ca8378fc886c853c431dbd1b11bd2ea15b09

  • SSDEEP

    12288:EVRTE3het1yJh2HduH7GqjTyiVRTE3het1yJh2HduH7GqjTy:IX1AwHsH7hTyOX1AwHsH7hTy

Malware Config

Signatures

  • 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\31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe
    "C:\Users\Admin\AppData\Local\Temp\31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4144
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qwuyw.exe "C:\Users\Admin\AppData\Local\Temp\31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2704
      • 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:1420
      • C:\Users\Admin\AppData\Local\Temp\qwuyw.exe
        C:\Users\Admin\AppData\Local\Temp\\qwuyw.exe "C:\Users\Admin\AppData\Local\Temp\31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.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:3508
        • \??\c:\Program Files\shtye\cdn.exe
          "c:\Program Files\shtye\cdn.exe" "c:\Program Files\shtye\cdnmw.dll",Scheduler C:\Users\Admin\AppData\Local\Temp\qwuyw.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:2248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\shtye\cdn.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    613KB

    MD5

    6e0842038f19e753c0fa9f500dc4ac65

    SHA1

    39b59c2fad0e243cd54d43bce37427856495a0f1

    SHA256

    99ad8c7c15a0160e2adf90a356e63657fe6010a7e651f91ffc021f923b48e0ab

    SHA512

    08d691826ebf162b699a7074eafcbcf399ab7a806d2f8ee7251909e92624db443dd67b1c1c4f7e33c5c323ec1680828d1752567c9af55e2ff06679c6861f337b

  • \??\c:\Program Files\shtye\cdnmw.dll

    Filesize

    184KB

    MD5

    3aa68a4632b8f59c0a39bb8f581e6585

    SHA1

    af552ead3f82e8173901e6558569d2901ff92b8d

    SHA256

    43cd834157bfba20523bcd887eb78a2e2ac237a2157644281ce337d1b975aae8

    SHA512

    20fa658f1c3ddb22769e1398e1537588a9d8bc16965b6e48ea191bb20c435def483b218d91e44387d8422f58878105a897c5f8b1627834ec67f9c05f8eba25a3

  • memory/2248-11-0x0000000010000000-0x0000000010074000-memory.dmp

    Filesize

    464KB

  • memory/2248-12-0x0000000010000000-0x0000000010074000-memory.dmp

    Filesize

    464KB

  • memory/2248-15-0x0000000010000000-0x0000000010074000-memory.dmp

    Filesize

    464KB