Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2024 16:41

General

  • Target

    9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe

  • Size

    31KB

  • MD5

    159ba9871b1794e3b6697f7f5e83636a

  • SHA1

    84120448e40765f6767194c2eab5a56e69dbc9f8

  • SHA256

    9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3

  • SHA512

    92a44e9938ede9370348ebb76e7079595da28776d602c00320856b919cc3bd6430dc565d53e16077b52e610f0c51d3246de3677a4a12f3ebe358f62f52fbbf92

  • SSDEEP

    768:uWQ3655Kv1X/qY1MSd4cQGPL4vzZq2o9W7GsxBbPr:uHqaNrFd4/GCq2iW7z

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
  • 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\9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe
    "C:\Users\Admin\AppData\Local\Temp\9b1fe801ba9b3937b776d0852b354a102bc2884cfe18f6fba0945c8d82debab3.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\bAFoXQ.exe
      C:\Users\Admin\AppData\Local\Temp\bAFoXQ.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\7d9460c2.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7CNUR30T\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\6E114627.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\7d9460c2.bat

    Filesize

    187B

    MD5

    0e66d6fad9adcc326fe45e538c18ef40

    SHA1

    60f30c07e2ede4ce066fd14f336161d28c1f0414

    SHA256

    5ccd3592570b745d7f248948fda00ca0da9ef9ab3e47aacfbac29c906436cf6b

    SHA512

    6a56e2ca709c8bd708f467773dda4bd964d957b178ec49cee9a5683f8a53f34d607ccf369c90e186d9f792c5f653a926eb3f83755731bd54f1434db41ebca44e

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2324-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2324-9-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2324-10-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2324-55-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2324-56-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2880-11-0x0000000000E80000-0x0000000000E89000-memory.dmp

    Filesize

    36KB

  • memory/2880-53-0x0000000000E80000-0x0000000000E89000-memory.dmp

    Filesize

    36KB