Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2025 05:46

General

  • Target

    d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe

  • Size

    690KB

  • MD5

    35e6aaf1eca60fa4d65188098602a7ea

  • SHA1

    ff1e9a8e3c178a6024501fff2a65b825fddaf0f7

  • SHA256

    d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9

  • SHA512

    629805de5a178dfff6864a662b7486644e385f158c35754c88e6c2f6a873cb50384e83ea8a4dbe14a2223a0f2cf2b9a49bc7509ce62466809c68cb7afa481125

  • SSDEEP

    12288:2sDp2pLNWWstGnb/pbflbrfWsYIzdnqR9OSHuLOj+RH0Djt8t5zyJ9oS:nDALA2NJbrfbxzdnqR9Oguij+6v45z

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\d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe
    "C:\Users\Admin\AppData\Local\Temp\d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\EuAZDk.exe
      C:\Users\Admin\AppData\Local\Temp\EuAZDk.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\7c5347d8.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MPUI9R2R\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\24CC012E.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\7c5347d8.bat

    Filesize

    187B

    MD5

    57d23d0329d5e2abd57328d53d7244b5

    SHA1

    858f8d1bba1fc01125a0cbdb3ca9069b62e28a11

    SHA256

    453e8669c49a955aeee86159e38ad4a17fdf16e43f9f61fc5cf046e4d5e5453f

    SHA512

    3b7d2a6f3294bd7e02957184e29583ac5d3d6980b786900011dd63e8f9aec916ad8090ee61789dc215c05672feaafc2f57212963be1a79d43ac5a1665a5adf23

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1848-53-0x0000000000A40000-0x0000000000A49000-memory.dmp

    Filesize

    36KB

  • memory/2004-0-0x0000000000400000-0x000000000056B000-memory.dmp

    Filesize

    1.4MB

  • memory/2004-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2004-9-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2004-55-0x0000000000400000-0x000000000056B000-memory.dmp

    Filesize

    1.4MB

  • memory/2004-64-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB