Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 07:42

General

  • Target

    986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe

  • Size

    1.7MB

  • MD5

    36b7c227dc3c628140af9b243ae11234

  • SHA1

    324b0c88bee438b60b6df29d800207446f28ac21

  • SHA256

    986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a

  • SHA512

    3acc6c87cfc610ac93c6ba0b54e340e27d5d87fe9dc0dcaa6fb64c5530fc399c124e83c50aeae6f72b790ead31022b5c1863c1f49e476daa52977ff314c95124

  • SSDEEP

    49152:ob95oohZXtemBiR8qfqlQ+oqPxGFFmbn:W5ooXXtemkslQvFEz

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 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe
    "C:\Users\Admin\AppData\Local\Temp\986b1a99ce62804164313a51d9141315d9af6b8bf4ee9cf84c86648b31052e2a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\DJmBwz.exe
      C:\Users\Admin\AppData\Local\Temp\DJmBwz.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2936
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\11251cc7.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 816
      2⤵
      • Program crash
      PID:2220

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\11251cc7.bat

    Filesize

    187B

    MD5

    6a17a40d26f852466a53d96a187e7fc1

    SHA1

    45f88b6aade1086e13d32f06f51abd314cfce767

    SHA256

    bee2dd353d27f43ecdfc4c9855c2ae4a06784b78dfa67984f6e5f34757c5a666

    SHA512

    fa235d1fcd25f9e263b2e2f7b9d21d591dce01761cc64dcfdc9a0088c0626fea5a73a0c3f72263edda7dd1d6cbf5c108ade7b3b31b92ddd3486476585e09db12

  • C:\Users\Admin\AppData\Local\Temp\1A126364.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2400-3-0x0000000000EB0000-0x000000000136C000-memory.dmp

    Filesize

    4.7MB

  • memory/2400-37-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-15-0x0000000000EB0000-0x000000000136C000-memory.dmp

    Filesize

    4.7MB

  • memory/2400-8-0x0000000000E60000-0x0000000000E69000-memory.dmp

    Filesize

    36KB

  • memory/2400-29-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-54-0x0000000000EB0000-0x000000000136C000-memory.dmp

    Filesize

    4.7MB

  • memory/2400-36-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-14-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/2400-9-0x0000000000E60000-0x0000000000E69000-memory.dmp

    Filesize

    36KB

  • memory/2400-52-0x00000000744A0000-0x0000000074B8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-49-0x0000000000EB0000-0x000000000136C000-memory.dmp

    Filesize

    4.7MB

  • memory/2400-50-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/2936-47-0x0000000000E60000-0x0000000000E69000-memory.dmp

    Filesize

    36KB

  • memory/2936-11-0x0000000000E60000-0x0000000000E69000-memory.dmp

    Filesize

    36KB