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 19:02

General

  • Target

    08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe

  • Size

    200KB

  • MD5

    d98619bc24fd77f98f278340da8a74e4

  • SHA1

    b8c0e4b1236cea49adf6c88196f98fdfdf4f8dfe

  • SHA256

    08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae

  • SHA512

    dd27d281ee17ff03308663ffea2a5ce7d0b670d23f33f3ae7d360da22a31ca30efbd624e219096011a2ae1f0730e1561a3fa31c664bd6607b42f05e08a1e0636

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

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\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe
    "C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nsbaivde.exe "C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2508
      • 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:1508
      • C:\Users\Admin\AppData\Local\Temp\nsbaivde.exe
        C:\Users\Admin\AppData\Local\Temp\\nsbaivde.exe "C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.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:1816
        • \??\c:\Program Files\djuwl\gnz.exe
          "c:\Program Files\djuwl\gnz.exe" "c:\Program Files\djuwl\gnztz.dll",Compliance C:\Users\Admin\AppData\Local\Temp\nsbaivde.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:3852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\djuwl\gnz.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    200KB

    MD5

    39a4d5af52b67e84637c369f904d68a0

    SHA1

    33fa8c2d59d1edafeb1d35640887fdcb5cd53e9f

    SHA256

    55ab72c0a1a835bd00d246b3d25ee5ba1eeed8d6936273a0f7fd262be5b355f8

    SHA512

    ed1cb7b5f06528854cc3b392a2fc77555a5beb176685f9ea98da749a53ca3d4a5d91b94cf9f237b0d3351ca37f964003d15990f040d708bc7bf066f36dc9468c

  • \??\c:\Program Files\djuwl\gnztz.dll

    Filesize

    141KB

    MD5

    5fe79ab6d6b3512f786bb638b349607d

    SHA1

    9d685d0d92af5d51d5a3619af21b181c948d2aa4

    SHA256

    b9250eee3d2ad77b9cc814af0d89a99cd6c726157719607a1d9ffc5c40b2b5ca

    SHA512

    50c17f602272f585beb4b083a653f8fbf76a9b30aa969e6659d14206f4ba50684a418ada820ee04ff569ed65cc53628b941ce0afd6785bf28ed93cc07a54d555

  • memory/1816-10-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1816-9-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1816-16-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2580-5-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2580-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2580-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2580-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/3852-20-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/3852-22-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/3852-26-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB