Analysis

  • max time kernel
    73s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 20:29

General

  • Target

    4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe

  • Size

    96KB

  • MD5

    be8823d295e6ffc960687356e53c0b90

  • SHA1

    3bd48c1055316152b7d799afb695d4cb678d9a94

  • SHA256

    4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3

  • SHA512

    b1b6f2c62c9bc9a59c25ba41b58cf52d935658d353e8274ec577bb645cb8b9bf937a3f237c612f64ff00f1e6ef61c2344b6edaea725c322d778447011ce7934e

  • SSDEEP

    1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1fLGCq2iW7z:pJLrp0cQ7QAINqPDHQnc0GCH

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 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe
    "C:\Users\Admin\AppData\Local\Temp\4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Temp\eVRKlMX.exe
      C:\Users\Admin\AppData\Local\Temp\eVRKlMX.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\636507e5.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BQQODH7V\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\15E66550.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\636507e5.bat

    Filesize

    189B

    MD5

    be7536238daf95421b62e5c915eb3261

    SHA1

    663a5b2632e3ae1f418a9cd997107205ac836eea

    SHA256

    d9982bf0126504b60faa8bec1454817302318e14a41cdafe47686a65c04155d2

    SHA512

    dfcfe702684e2e24d6421373d0016a85f2bbc6bb2c791cf118abdfda044eb031a78edbeb4832dd6f9cb0a4ffe5e959f0eddff249aad6d77941a3d04f3b4c6f30

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2708-9-0x0000000000020000-0x0000000000039000-memory.dmp

    Filesize

    100KB

  • memory/2708-10-0x0000000000320000-0x0000000000329000-memory.dmp

    Filesize

    36KB

  • memory/2708-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2708-8-0x0000000000020000-0x0000000000039000-memory.dmp

    Filesize

    100KB

  • memory/2708-20-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2708-11-0x0000000000320000-0x0000000000329000-memory.dmp

    Filesize

    36KB

  • memory/2836-17-0x0000000001040000-0x0000000001049000-memory.dmp

    Filesize

    36KB

  • memory/2836-18-0x0000000001046000-0x0000000001047000-memory.dmp

    Filesize

    4KB

  • memory/2836-42-0x0000000001040000-0x0000000001049000-memory.dmp

    Filesize

    36KB