Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 01:00

General

  • Target
    04c41c75792d7d6caebc9d80971cf4ca18eab284285306e08d5f10e84436644e.exe
  • Size 560KB
  • Sample240619-bc3kaa1ajc
  • SHA256 04c41c75792d7d6caebc9d80971cf4ca18eab284285306e08d5f10e84436644e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:60
  • C:\Users\Admin\AppData\Local\Temp\04c41c75792d7d6caebc9d80971cf4ca18eab284285306e08d5f10e84436644e.exe
    "C:\Users\Admin\AppData\Local\Temp\04c41c75792d7d6caebc9d80971cf4ca18eab284285306e08d5f10e84436644e.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4992

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        Dll2.dll

        • Path C:\Windows\Dll2.dll
        • Size 154KB
        • SHA256 0f63d0cdd05e5308a25e9414136bbc2d1898ea3cfda9388d5af1796b47d40106
        • MD5 SHA1 SHA512 SSDEEP

        memory/60-8-0x00000000001B0000-0x00000000001B1000-memory.dmp

        memory/60-10-0x000001799F950000-0x000001799FA88000-memory.dmp

        memory/60-15-0x000001799F950000-0x000001799FA88000-memory.dmp

        memory/4992-0-0x0000000000400000-0x0000000000629000-memory.dmp

        memory/4992-1-0x0000000000400000-0x0000000000629000-memory.dmp

        memory/4992-11-0x0000000000400000-0x0000000000629000-memory.dmp

        memory/4992-13-0x0000000000400000-0x0000000000629000-memory.dmp