Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 13:29

General

  • Target

    69ed0a6930743edce0be39f74004f5879f884900bed231552a2cea310889bbef.exe

  • Size

    203KB

  • MD5

    5a73b24fdd56e4c1d85633b1af8599b0

  • SHA1

    09ad363d090775231d8d60481ff2a873e70c5f53

  • SHA256

    69ed0a6930743edce0be39f74004f5879f884900bed231552a2cea310889bbef

  • SHA512

    09019becf8e0ee6d4c1e1b7bff114658b1d61074624ad36542c9f5374f2ab22addd577cf7afaee8d8764c843d78b1954248380a2fcfd0aa98bb3c684447dbacd

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69ed0a6930743edce0be39f74004f5879f884900bed231552a2cea310889bbef.exe
    "C:\Users\Admin\AppData\Local\Temp\69ed0a6930743edce0be39f74004f5879f884900bed231552a2cea310889bbef.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xvxxb.exe "C:\Users\Admin\AppData\Local\Temp\69ed0a6930743edce0be39f74004f5879f884900bed231552a2cea310889bbef.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2512
      • 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:2972
      • C:\Users\Admin\AppData\Local\Temp\xvxxb.exe
        C:\Users\Admin\AppData\Local\Temp\\xvxxb.exe "C:\Users\Admin\AppData\Local\Temp\69ed0a6930743edce0be39f74004f5879f884900bed231552a2cea310889bbef.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2504
        • \??\c:\Program Files\elupu\njs.exe
          "c:\Program Files\elupu\njs.exe" "c:\Program Files\elupu\njshi.dll",Compliance C:\Users\Admin\AppData\Local\Temp\xvxxb.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:2320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \??\c:\Program Files\elupu\njshi.dll

    Filesize

    141KB

    MD5

    66c1acd6826714dbc766991cedb269c2

    SHA1

    3605f3ce720b6ce29016976b8f6002143790e490

    SHA256

    308a24981f6acd0581783ca81ba5a244ee99ba3bfd307856c90945caa5e11369

    SHA512

    6589a1367afbacc0ef5589e64f2aa58d31ece00dfac8b8808903dbff8460f7662b478df1e015fe0f959b07c2c76c510fe3072972c2c5d632213d6e199ae809aa

  • \Program Files\elupu\njs.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

  • \Users\Admin\AppData\Local\Temp\xvxxb.exe

    Filesize

    203KB

    MD5

    29d12568709359314c1b53e246cb6956

    SHA1

    85ffe713f7f3d8fd6048b5441169c275c5754a87

    SHA256

    4dff5f779ebac50d8acaedf41a960c6f1a3952fbf1acc06574d53d5f5e2fa9e1

    SHA512

    9b5c5a60808e9c883875ee684b1b1c930f9dfd5ce0b8bd96691c5ab39627faff21053b7b7f0425ac97276699a81fa7033a90c81f4acd57fe392aa01f535ac234

  • memory/1920-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1920-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1920-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1920-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2320-27-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2320-28-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2320-31-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2320-33-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2504-12-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2504-11-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2504-20-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2512-9-0x0000000000130000-0x000000000017A000-memory.dmp

    Filesize

    296KB

  • memory/2512-6-0x0000000000130000-0x000000000017A000-memory.dmp

    Filesize

    296KB