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
    05-12-2024 06:46

General

  • Target

    50c94cc34f06ec7248dd6ba07664e80c851a6c39633212cdb3f2e6766001d046.exe

  • Size

    1.3MB

  • MD5

    c348c7474dbfe0f8414fe64603b8bc98

  • SHA1

    1fd7196433a1e24f1f4b55f3417811743f74d3a7

  • SHA256

    50c94cc34f06ec7248dd6ba07664e80c851a6c39633212cdb3f2e6766001d046

  • SHA512

    1ac40b6d6ffef6757f438d1051b8b07ce120fe25f689d47e75e86a31b74af833779d4c6de974eb3554ea456c24f31ccf5369e23b23cc9e14f7e420bde2cae952

  • SSDEEP

    12288:0Uko6ofNT6NpgwyijqPwwGDNP1BvZa0aY6tV/1jyO3JVLJu4tugaxs2nv9mtISwH:wJofV6jgwDePjG91Bv3cVLoxs2v9dF

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 2 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).

  • Program crash 1 IoCs
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50c94cc34f06ec7248dd6ba07664e80c851a6c39633212cdb3f2e6766001d046.exe
    "C:\Users\Admin\AppData\Local\Temp\50c94cc34f06ec7248dd6ba07664e80c851a6c39633212cdb3f2e6766001d046.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\HTvgGL.exe
      C:\Users\Admin\AppData\Local\Temp\HTvgGL.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\43b50a9e.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 304
      2⤵
      • Program crash
      PID:2744

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\1LNUKNV0\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\43b50a9e.bat

    Filesize

    187B

    MD5

    72b2f14c0a661c2481c93dc3f481581b

    SHA1

    b480a4968248df293cb79fb14a51b0b97932a94c

    SHA256

    c77c1696eb12e5b32fd057ba9bcc8817a7b203612a4897c4c145b817897275b8

    SHA512

    5c3ce0e29df316a91c692cd5a4b77aba8691fd27831a1821319fc7bd4e8115d8c1a2a0301f0473e193e509e46a0adf86270b0caad27fc2cbd2fe9f97ab9b66e9

  • C:\Users\Admin\AppData\Local\Temp\443A4821.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1964-11-0x00000000012F0000-0x00000000012F9000-memory.dmp

    Filesize

    36KB

  • memory/1964-53-0x00000000012F0000-0x00000000012F9000-memory.dmp

    Filesize

    36KB

  • memory/2248-0-0x0000000000400000-0x0000000000559000-memory.dmp

    Filesize

    1.3MB

  • memory/2248-4-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2248-9-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2248-55-0x0000000000400000-0x0000000000559000-memory.dmp

    Filesize

    1.3MB

  • memory/2248-56-0x0000000000400000-0x0000000000559000-memory.dmp

    Filesize

    1.3MB