Analysis

  • max time kernel
    140s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 18:51

General

  • Target

    181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe

  • Size

    202KB

  • MD5

    9db0401dcc9907bddd9881fdf349786a

  • SHA1

    8ae576bd63587812a95cbbe00c55f8fd9d085ef2

  • SHA256

    181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54

  • SHA512

    680f10daeddf41a52af922d86425add27dce7a5027f7148e0fb0998340266c9a9aca77a60af6c2b8b597e5a3792686f95c3ba6b4215f476b19bd6dc206e31766

  • SSDEEP

    3072:SRJvubtBhMsZJRsDiD1VEPrtCxY7fsXK0wwFRyPA6ggTdrbqXYeOMj8Cnvzout:S7vghcDiD3utCxY7Ubn6ggByIu37oS

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\181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe
    "C:\Users\Admin\AppData\Local\Temp\181954f6cad3a18d89a037a7bd8654d7a90e02dbe68710ccd8a160bd826e2b54.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\bmdXVk.exe
      C:\Users\Admin\AppData\Local\Temp\bmdXVk.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\2d9315f1.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2d9315f1.bat

    Filesize

    187B

    MD5

    87d235a5eab44d41d9981084ee09ff34

    SHA1

    cbb373da9e8ece85820faf1e95114abbecc392bc

    SHA256

    41f120ebb00dba01e476dd8d4a5fdc77254c92804ebf795a2a82dc6296e4220d

    SHA512

    252b277e16d88b99de018b5212de4130ad4d70c54fce0f3bf3d13cc1c15081f021819a56dcac3659874de42391d897a44b8e6f5051d0e4582826117f7daaf357

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1728-0-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/1728-4-0x00000000002A0000-0x00000000002A9000-memory.dmp

    Filesize

    36KB

  • memory/1728-10-0x00000000002A0000-0x00000000002A9000-memory.dmp

    Filesize

    36KB

  • memory/1728-14-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/1728-29-0x00000000002A0000-0x00000000002A9000-memory.dmp

    Filesize

    36KB

  • memory/1952-16-0x00000000009A0000-0x00000000009A9000-memory.dmp

    Filesize

    36KB