Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 01:33

General

  • Target

    5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe

  • Size

    157KB

  • MD5

    ef6b151670589c2d5251cf8eb37f2ab8

  • SHA1

    0af04d5b1d2e2f844065c7285f1ef94b18f1a1b4

  • SHA256

    5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28

  • SHA512

    17a6a49d5b5e4aec38a86fa830c46a1ead78a484469471c19cdc4966aa5c0fe8bf124931ec38ec2567bc159634802589358a2fa06a93ff19ac05ca99373c443e

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI: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\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe
    "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\emlrb.exe "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2240
      • 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:2452
      • C:\Users\Admin\AppData\Local\Temp\emlrb.exe
        C:\Users\Admin\AppData\Local\Temp\\emlrb.exe "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.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:2288
        • \??\c:\Program Files\idnct\gcg.exe
          "c:\Program Files\idnct\gcg.exe" "c:\Program Files\idnct\gcgjy.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\emlrb.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:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\idnct\gcgjy.dll

    Filesize

    128KB

    MD5

    6e600feeb88b0dfd7c63b1eb3c3b5e09

    SHA1

    cbba2a16bd9ee85945d8dd5efac454f16e825cab

    SHA256

    47d3393529961351425d75b04eb5300b3b82e9857c2b50986bc163c9ca48c9fe

    SHA512

    e6f857283805cf08ec99bd74667122f2dd3b94505ebcfbc19ad1cbe6701f798c165ee5b2a3a17b51c337c36046d02b5f0e85523640652dd6ffd607603db37c4e

  • \Program Files\idnct\gcg.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

    Filesize

    158KB

    MD5

    d4875621d07b4ef02c75397ed79452fb

    SHA1

    70ea3feaf6b1d540cb4c47a00705afc03d5cbf83

    SHA256

    6d51502f10e9c2aaa360084782c4e02bff97027a1d4e2bbc9da29d6957288326

    SHA512

    e555009edd3318a3b1c49f5f82fb3f0171cb6a0fec7b0a03d15c7724e9b2925936cbb9c1d050191c20cbf91af5cde3da52b6b4072905b0fccc2c3df27f775397

  • memory/2036-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2036-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2228-22-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2228-23-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2228-28-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2228-30-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2240-5-0x0000000000170000-0x00000000001A0000-memory.dmp

    Filesize

    192KB

  • memory/2288-15-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB