Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 11:41

General

  • Target

    bccee0df9d7ff21578ea12a2670b09eb19120acb6ab93c135bbfbfce949b5ecc.exe

  • Size

    730KB

  • MD5

    a12db24a4da1f3a1c47b9131b5b85153

  • SHA1

    9c15235efc007dce37af47119234bb836c8a66c2

  • SHA256

    bccee0df9d7ff21578ea12a2670b09eb19120acb6ab93c135bbfbfce949b5ecc

  • SHA512

    11c08aadcb6f5d207da705aef6787eb889bb7e373767eeb451de82e527bd2b47fa02c4fe0eaeb28eb7c810a61eba3ec7a393ec5aba10b63bca64a797d0fbbd06

  • SSDEEP

    12288:2sJv7spf1zijJpt2q+ak7h2PXi4Jpea3qQtgK+aJLnclKlhF5C9f2oS:2sJDsptzm5MaksPScpfrgKL5cUlD50f

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\bccee0df9d7ff21578ea12a2670b09eb19120acb6ab93c135bbfbfce949b5ecc.exe
    "C:\Users\Admin\AppData\Local\Temp\bccee0df9d7ff21578ea12a2670b09eb19120acb6ab93c135bbfbfce949b5ecc.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\tuaeHP.exe
      C:\Users\Admin\AppData\Local\Temp\tuaeHP.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\3b980331.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3b980331.bat

    Filesize

    187B

    MD5

    15b15cc19023e2e1942e527984950e1e

    SHA1

    655eda0df7f99d2b0a40da14f9df3303399a8142

    SHA256

    8bcd4bf1a480a0016ddf73df0b2525a07697a569f971a02c4e3ca3ceffe95358

    SHA512

    bc3adf9a8950df92866a3f7c223abb6d02ad850b2e30b808c76c919b0419668000de5887b5715b8ecd64c2653d76e99c97c64c0217b3bdfe3c1fb15091d99460

  • C:\Users\Admin\AppData\Local\Temp\tuaeHP.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2648-0-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2648-10-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2648-9-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2648-32-0x0000000000400000-0x0000000000701000-memory.dmp

    Filesize

    3.0MB

  • memory/2648-41-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2648-42-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2664-11-0x0000000000F00000-0x0000000000F09000-memory.dmp

    Filesize

    36KB

  • memory/2664-30-0x0000000000F00000-0x0000000000F09000-memory.dmp

    Filesize

    36KB