Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    23-07-2023 20:32

General

  • Target

    NA_NA_36a328a8595e9cexeexe_JC.exe

  • Size

    2.8MB

  • MD5

    36a328a8595e9c7d6402435e72d2a272

  • SHA1

    8a2f7128e24d537cb239c0e90330eaec384484c7

  • SHA256

    3e3ed5105170c4ad223592f279b55eefa5a991a911435df33f833218864026c7

  • SHA512

    b7282e047bbe312e43c3f566ea8d457d2d98b0d7bfc7483768f2e8cc2cf4580e75716820577513767957986ef821768c543ed1a41dcfc073123e2f67f939f3de

  • SSDEEP

    49152:9bYwIM/7t0i0FZaUm8cikLrpYqZRJ5pYqmj2D:ysnUm8U/6YR36dj2D

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 6 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 6 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NA_NA_36a328a8595e9cexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_36a328a8595e9cexeexe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
      "C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe"
      2⤵
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe

    Filesize

    2.8MB

    MD5

    36a328a8595e9c7d6402435e72d2a272

    SHA1

    8a2f7128e24d537cb239c0e90330eaec384484c7

    SHA256

    3e3ed5105170c4ad223592f279b55eefa5a991a911435df33f833218864026c7

    SHA512

    b7282e047bbe312e43c3f566ea8d457d2d98b0d7bfc7483768f2e8cc2cf4580e75716820577513767957986ef821768c543ed1a41dcfc073123e2f67f939f3de

  • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe

    Filesize

    2.8MB

    MD5

    36a328a8595e9c7d6402435e72d2a272

    SHA1

    8a2f7128e24d537cb239c0e90330eaec384484c7

    SHA256

    3e3ed5105170c4ad223592f279b55eefa5a991a911435df33f833218864026c7

    SHA512

    b7282e047bbe312e43c3f566ea8d457d2d98b0d7bfc7483768f2e8cc2cf4580e75716820577513767957986ef821768c543ed1a41dcfc073123e2f67f939f3de

  • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe

    Filesize

    2.8MB

    MD5

    36a328a8595e9c7d6402435e72d2a272

    SHA1

    8a2f7128e24d537cb239c0e90330eaec384484c7

    SHA256

    3e3ed5105170c4ad223592f279b55eefa5a991a911435df33f833218864026c7

    SHA512

    b7282e047bbe312e43c3f566ea8d457d2d98b0d7bfc7483768f2e8cc2cf4580e75716820577513767957986ef821768c543ed1a41dcfc073123e2f67f939f3de

  • \Windows\360\360Safe\deepscan\ZhuDongFangYu.exe

    Filesize

    2.8MB

    MD5

    36a328a8595e9c7d6402435e72d2a272

    SHA1

    8a2f7128e24d537cb239c0e90330eaec384484c7

    SHA256

    3e3ed5105170c4ad223592f279b55eefa5a991a911435df33f833218864026c7

    SHA512

    b7282e047bbe312e43c3f566ea8d457d2d98b0d7bfc7483768f2e8cc2cf4580e75716820577513767957986ef821768c543ed1a41dcfc073123e2f67f939f3de

  • memory/2084-61-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB

  • memory/2348-54-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB