Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 02:46

General

  • Target

    2024-12-30_20fc156b6161be8c915ef5a02a785ec3_smoke-loader_wapomi.exe

  • Size

    3.8MB

  • MD5

    20fc156b6161be8c915ef5a02a785ec3

  • SHA1

    55c847b2f6d1b8f5ca162e2267cc3c00c5368c41

  • SHA256

    f4caaf5fb048d47253db755255624e55a97a33d919c183ee9d9354534035424e

  • SHA512

    438300285333f0100d559a5b4e831405c0bc403452c62503faad0923377ce35a6034246fdefa971478d534227b57efaaee99f3562c48c8c43f290569d2577d83

  • SSDEEP

    98304:6Q4N+3DaHPjf2vDzflqGsYLTIysAjF5gA/H:oN+3evSrzdqGsYLsys+Frv

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 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
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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 behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-30_20fc156b6161be8c915ef5a02a785ec3_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-30_20fc156b6161be8c915ef5a02a785ec3_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\AppData\Local\Temp\QFlvzP.exe
      C:\Users\Admin\AppData\Local\Temp\QFlvzP.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\75ea5697.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\75ea5697.bat

    Filesize

    187B

    MD5

    d02430152aa5805804ff086e32aba725

    SHA1

    872ee8f3075c3b99586620dfe7d0c230b434c310

    SHA256

    f408a0058042e208bc2d3d2e777b083abc47ca79b4df317be55c2876c158eb8c

    SHA512

    b05499d46b352064ca71a072768bd5017c60a016c398893ef439c33ef01fb7cf91573167416ed38da6adfcf37f42b5cbd51a07b33a927742b03b7d3ee37243b9

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2204-11-0x00000000013E0000-0x00000000013E9000-memory.dmp

    Filesize

    36KB

  • memory/2204-19-0x00000000013E0000-0x00000000013E9000-memory.dmp

    Filesize

    36KB

  • memory/2740-9-0x0000000000400000-0x0000000000AF2000-memory.dmp

    Filesize

    6.9MB

  • memory/2740-12-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2740-10-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2740-14-0x0000000000400000-0x0000000000AF2000-memory.dmp

    Filesize

    6.9MB

  • memory/2740-17-0x0000000000400000-0x0000000000AF2000-memory.dmp

    Filesize

    6.9MB