Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2025 15:09

General

  • Target

    de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe

  • Size

    96KB

  • MD5

    09e3b705008c2006689fd2b01cea1ed9

  • SHA1

    5312ee8343040ddfe490fefaef7f26d60ba23123

  • SHA256

    de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5

  • SHA512

    35e6ab394f3ff93a9e445fdd8b96c9527ae6523fd23c865738e0dcd9ee363558c92205cf4ea8b736c3d0893588469699a3b763fab3f8ae0be5b4ea0805bd49d7

  • SSDEEP

    1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK11oGCq2iW7ze:pJLrp0cQ7QAINqPDHQncVGCHy

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\de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe
    "C:\Users\Admin\AppData\Local\Temp\de7a6388f4b16c9574951dbc079cf4e60154dfc28caab53f9eae3e3ec009c2c5.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Users\Admin\AppData\Local\Temp\tCblXf.exe
      C:\Users\Admin\AppData\Local\Temp\tCblXf.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:2332
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\6fd81276.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WUBCGJ0A\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\6fd81276.bat

    Filesize

    187B

    MD5

    2e68a9a0466f3caffe9429c82afd0dc6

    SHA1

    1b8337b87aeea3f83f85fb9eadc620ab937f08a5

    SHA256

    0b9bc247483f45a504253fcb6f6827e5dc9c6e5f1aa01f1636c19b8beceb4754

    SHA512

    f750b27f19204c1f9a75b66cc6fe8cc606a5c6e806814719b1bfb5de42fefd5f7f79b97220f9feab427a4cd3aaf405fcae693b589940b9073f3dbdd595db6c47

  • C:\Users\Admin\AppData\Local\Temp\7E404F99.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2332-20-0x0000000000E66000-0x0000000000E67000-memory.dmp

    Filesize

    4KB

  • memory/2332-13-0x0000000000E60000-0x0000000000E69000-memory.dmp

    Filesize

    36KB

  • memory/2332-51-0x0000000000E60000-0x0000000000E69000-memory.dmp

    Filesize

    36KB

  • memory/2332-19-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2332-16-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2504-11-0x0000000000190000-0x0000000000199000-memory.dmp

    Filesize

    36KB

  • memory/2504-22-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2504-8-0x0000000000020000-0x0000000000039000-memory.dmp

    Filesize

    100KB

  • memory/2504-9-0x0000000000020000-0x0000000000039000-memory.dmp

    Filesize

    100KB

  • memory/2504-10-0x0000000000190000-0x0000000000199000-memory.dmp

    Filesize

    36KB

  • memory/2504-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB