Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2024, 05:17

General

  • Target

    05c30daba17211b85a8ea0c9c4f08ba62645d62bde3df0852709be2bb82c4c68.exe

  • Size

    72KB

  • MD5

    8091c892cd2045a5fa4c85ccf229ba34

  • SHA1

    b907ff0750d28a568348c693b295a3a01ef7043e

  • SHA256

    05c30daba17211b85a8ea0c9c4f08ba62645d62bde3df0852709be2bb82c4c68

  • SHA512

    90d2bf96265ceaaa5381fddf247457980837b972972c7cd46fb3414f02ab764e4608887f83978331369f10fa0bad7b0112a3250ad853de3a746a9c4c5c08cb53

  • SSDEEP

    768:Qdwz0k23YXEL5kYcDjf19W6q0GEiMywPoTVIgsQGPL4vzZq2o9W7GsxBbPru:7e6HfDWs3oTVPvGCq2iW7za

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
  • 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05c30daba17211b85a8ea0c9c4f08ba62645d62bde3df0852709be2bb82c4c68.exe
    "C:\Users\Admin\AppData\Local\Temp\05c30daba17211b85a8ea0c9c4f08ba62645d62bde3df0852709be2bb82c4c68.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\qJgbivN.exe
      C:\Users\Admin\AppData\Local\Temp\qJgbivN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\5d893b7e.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7CNUR30T\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\5d893b7e.bat

    Filesize

    189B

    MD5

    c727136237d5552970703e3010cc0d7b

    SHA1

    6deb47638ba01e931c4fd7dcb14976139dd76506

    SHA256

    ed398cca14bdfed1fb4c66b3a410c5d68d59b63b1748bb49071ea4f65e882c2a

    SHA512

    6859eaaf67786e8011eba6565974a9be4bb2a50612bf5ff5e23008cc9ba34205f1c3db0ec35f85f46d2e905e15dda3fcf3f4e49287c5879e8426d21e59421ede

  • C:\Users\Admin\AppData\Local\Temp\7C276540.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/3048-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3048-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/3048-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3048-56-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/3056-11-0x0000000001270000-0x0000000001279000-memory.dmp

    Filesize

    36KB

  • memory/3056-53-0x0000000001270000-0x0000000001279000-memory.dmp

    Filesize

    36KB