Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 01:24

General

  • Target

    cb06d1c07e401548ea6f07027cfd2646314d2c58f4d55159fe5e9c55eac30898.exe

  • Size

    157KB

  • MD5

    bcaffda374b83bd9c97568574b482b64

  • SHA1

    9418baa42ec05dfb011082dac47db22bc935413c

  • SHA256

    cb06d1c07e401548ea6f07027cfd2646314d2c58f4d55159fe5e9c55eac30898

  • SHA512

    0b8f55d71e9352a5917828445647b6d77ee092c9afb4b8813a074ba1c517f3b0908b1e65156a9fa17a5a12707630053acc9ac04508d2fc4c48885db812361fd1

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI5:OPjEl6jLiQ1JW+Oy3p/

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 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\cb06d1c07e401548ea6f07027cfd2646314d2c58f4d55159fe5e9c55eac30898.exe
    "C:\Users\Admin\AppData\Local\Temp\cb06d1c07e401548ea6f07027cfd2646314d2c58f4d55159fe5e9c55eac30898.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\jdtvmqdzg.exe "C:\Users\Admin\AppData\Local\Temp\cb06d1c07e401548ea6f07027cfd2646314d2c58f4d55159fe5e9c55eac30898.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2164
      • 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:616
      • C:\Users\Admin\AppData\Local\Temp\jdtvmqdzg.exe
        C:\Users\Admin\AppData\Local\Temp\\jdtvmqdzg.exe "C:\Users\Admin\AppData\Local\Temp\cb06d1c07e401548ea6f07027cfd2646314d2c58f4d55159fe5e9c55eac30898.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:2300
        • \??\c:\Program Files\nlpnq\efilrxs.exe
          "c:\Program Files\nlpnq\efilrxs.exe" "c:\Program Files\nlpnq\efilrxs.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\jdtvmqdzg.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:2240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\nlpnq\efilrxs.dll

    Filesize

    128KB

    MD5

    558b6227e3ca9a37871b41e04700ea04

    SHA1

    37aea024bb165c297b196c88b672075e686f46e9

    SHA256

    27de43fbfdbadea84a407c30a34832fb2227098ace05fecd523a544a1077f925

    SHA512

    5e0df6796668abeec204d4d1608e85ac5fca7ccc08fe84c5e2af6c2ddb6133171f62cf8506fe3207e1c4a173d27b666066df370a8823c197ad4b6290e97c59ac

  • \Program Files\nlpnq\efilrxs.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

    Filesize

    157KB

    MD5

    58ca99d482147cabcb6e6895ff1a4c84

    SHA1

    ab677f703938caccc60a6f2bd08fedaa77f6bd49

    SHA256

    6372503787860c4a6630740d0c47a2d88d5b0c91c5b0e2b0a0d115d99400103b

    SHA512

    fc9f6529abe7d8554de5c49687b86bdae8d9a2247a55661cf88f6072c995752958d080d71bf1c2f8a0d33fa5e22d71c48fe6f07576bdb8dbf073f9db30517cb8

  • memory/2164-4-0x0000000000110000-0x0000000000140000-memory.dmp

    Filesize

    192KB

  • memory/2224-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2224-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2240-25-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2240-24-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2240-23-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2240-21-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2240-26-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2240-31-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2240-32-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2300-15-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB