Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2023 18:40

General

  • Target

    NA_NA_NA_NA_ba5008d5230ef3ex_JC.exe

  • Size

    6.8MB

  • MD5

    ba5008d5230ef39f16ec68f48ec59b95

  • SHA1

    c7e7e34f8c9ee46f00806234e36c6506bf07777d

  • SHA256

    f3d912ec4cacddf86b487a0f6b6785256259130519356ef91ab3e461b47bd815

  • SHA512

    af0c23e2d001041f28ec5b344e625ffc4482fa32a3bac2362832d336ae79cf3ce39e57d37affbdd2bba708a77d4ec667405d4d28414635dff9bd7809f1777a85

  • SSDEEP

    49152:9bYwIM/7t0i0FZaUm8cikLrpYqs/KCGZd0qgNEf16lhulJLirHJIZ/K0tDAy49uu:ysnUm8U/6cWQtZ/K0tGOFWVRuLftCTvf

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 3 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_ba5008d5230ef3ex_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_ba5008d5230ef3ex_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4280
    • 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:4704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    6.8MB

    MD5

    ba5008d5230ef39f16ec68f48ec59b95

    SHA1

    c7e7e34f8c9ee46f00806234e36c6506bf07777d

    SHA256

    f3d912ec4cacddf86b487a0f6b6785256259130519356ef91ab3e461b47bd815

    SHA512

    af0c23e2d001041f28ec5b344e625ffc4482fa32a3bac2362832d336ae79cf3ce39e57d37affbdd2bba708a77d4ec667405d4d28414635dff9bd7809f1777a85

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

    Filesize

    6.8MB

    MD5

    ba5008d5230ef39f16ec68f48ec59b95

    SHA1

    c7e7e34f8c9ee46f00806234e36c6506bf07777d

    SHA256

    f3d912ec4cacddf86b487a0f6b6785256259130519356ef91ab3e461b47bd815

    SHA512

    af0c23e2d001041f28ec5b344e625ffc4482fa32a3bac2362832d336ae79cf3ce39e57d37affbdd2bba708a77d4ec667405d4d28414635dff9bd7809f1777a85

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

    Filesize

    6.8MB

    MD5

    ba5008d5230ef39f16ec68f48ec59b95

    SHA1

    c7e7e34f8c9ee46f00806234e36c6506bf07777d

    SHA256

    f3d912ec4cacddf86b487a0f6b6785256259130519356ef91ab3e461b47bd815

    SHA512

    af0c23e2d001041f28ec5b344e625ffc4482fa32a3bac2362832d336ae79cf3ce39e57d37affbdd2bba708a77d4ec667405d4d28414635dff9bd7809f1777a85

  • memory/4280-133-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB