Resubmissions

12-01-2025 07:50

250112-jpctdstkat 10

12-01-2025 07:44

250112-jktw4svqgk 10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2025 07:44

General

  • Target

    d5665f986ad453b570358cf576667729875b5631bc9deb5a55308f9efd3d3c0e.exe

  • Size

    60KB

  • MD5

    e2184da5d001380387816a36ae4095b7

  • SHA1

    1c95879965d58eb16555621a8be7a922cbb40962

  • SHA256

    d5665f986ad453b570358cf576667729875b5631bc9deb5a55308f9efd3d3c0e

  • SHA512

    c54d49ddd9dc1fdfde793228d89891f87fe477b30442ccb4bf2273a7f0c4996ce40185e3a7f47a60dea8ab9203e88f37d96fa517929e8b2eabaf2b3874947c1c

  • SSDEEP

    1536:4rOaf+p9RTeoi6HLJ3Zi4jMdsSDclcbiGCq2iW7z:4rOa2TRxFY4jcDclceGCH

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\d5665f986ad453b570358cf576667729875b5631bc9deb5a55308f9efd3d3c0e.exe
    "C:\Users\Admin\AppData\Local\Temp\d5665f986ad453b570358cf576667729875b5631bc9deb5a55308f9efd3d3c0e.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Users\Admin\AppData\Local\Temp\qVDeOD.exe
      C:\Users\Admin\AppData\Local\Temp\qVDeOD.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\1da77add.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\1da77add.bat

    Filesize

    187B

    MD5

    f1aab88dc7584ffbba5a78afac4b1855

    SHA1

    37961ddd20a37a8f458cff8550b3f38edfc7ce1a

    SHA256

    99b3d195cc90707007003a3984140e369c5ce4f3b4b69ff759d82290c07dc712

    SHA512

    e34b2fcfb403d6649caeb7aa08473c558a1d14cc91b4bc72651c250a5beb0a03e2c33d320dc263835c0af32608deba204f32b44dea89ec1966443f9ed6160ea1

  • C:\Users\Admin\AppData\Local\Temp\6A917D7D.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2392-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2392-11-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2392-3-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2392-14-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2404-12-0x0000000000970000-0x0000000000979000-memory.dmp

    Filesize

    36KB

  • memory/2404-54-0x0000000000970000-0x0000000000979000-memory.dmp

    Filesize

    36KB