Analysis

  • max time kernel
    140s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2024 10:24

General

  • Target

    c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe

  • Size

    671KB

  • MD5

    84c267e998d6f0f1f629d4648ec5e01f

  • SHA1

    f272039a615539da36c874a2f014a07671ebc06a

  • SHA256

    c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c

  • SHA512

    90af184d608819210711237f4fe17ed5203a7df1d705eabdb5083ceb2f323c72b72b3defcd764a3f7cc213fb001da471237e6926aa5a4906a63fad8b295bba45

  • SSDEEP

    12288:o0gZ0eZUJjYucy1yxwIchIgZIFwdPisZWRYzc4TSZYNKCOX72oS:YuRjYup1jhIg4wQ4coJNqr

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 1 IoCs
  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe
    "C:\Users\Admin\AppData\Local\Temp\c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\NUcbFz.exe
      C:\Users\Admin\AppData\Local\Temp\NUcbFz.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\446e7422.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\K0PVW9XR\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\446e7422.bat

    Filesize

    187B

    MD5

    90394cb4d2568eacc7a173c0ea31c2aa

    SHA1

    a47ab0c7989b8f08a6ee5cfc77739981a4f63142

    SHA256

    6e9651cad5ba21a75e78c790f371fd76fa475bdc502f12cd4dfa988ae779eaf3

    SHA512

    b958264f71dfe851d7367c0e919095e14db6b50d28449e7ec7b07bf05ebc19e9cac86a15711c558afd6b4c8991dfa00749daaa765616f3fe5a76e17ecf0f21a9

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2288-0-0x0000000000400000-0x00000000006E0000-memory.dmp

    Filesize

    2.9MB

  • memory/2288-4-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/2288-9-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/2288-38-0x0000000000400000-0x00000000006E0000-memory.dmp

    Filesize

    2.9MB

  • memory/2288-47-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/2752-11-0x0000000000010000-0x0000000000019000-memory.dmp

    Filesize

    36KB

  • memory/2752-36-0x0000000000010000-0x0000000000019000-memory.dmp

    Filesize

    36KB