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Analysis

  • max time kernel
    127s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 02:07

General

  • Target

    JaffaCakes118_00918fbd0cee49ad8efb7d3bdd9762a0.exe

  • Size

    108KB

  • MD5

    00918fbd0cee49ad8efb7d3bdd9762a0

  • SHA1

    4dd5b7b044095125093e7659c77b285c1c87fe69

  • SHA256

    a7fc3c0de5ea9a475f7bd52de6d413cac54df48a3e54994c4e34bc44da3c4b3d

  • SHA512

    d9aefd367c56a22d3bd137773ac56d8195db646947ce3b3642ab056b0e7aa1735f1c7e0788d95323ee2c376438f52b99ae2ba88fb42c84eefb01ec557087271c

  • SSDEEP

    1536:4k1JCXf3l9izMfUBRq/YxiLvxnjXIRXMMGBkyJMjZROYJT3bQghxHCZHNGCq2iWv:4Nf3wRqQxKvxnsRcaCDGCH

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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00918fbd0cee49ad8efb7d3bdd9762a0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00918fbd0cee49ad8efb7d3bdd9762a0.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Users\Admin\AppData\Local\Temp\aQtu.exe
      C:\Users\Admin\AppData\Local\Temp\aQtu.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\3457157c.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3457157c.bat

    Filesize

    183B

    MD5

    8ea65c59cb6cff1fab9cdbb777139cbc

    SHA1

    38fcb990e686405158597c1f095899955bdfa87d

    SHA256

    15b6dcb4a8dca10aef92fa5a119b2d7453d711fab0fdca01f3fe74f3497a0c15

    SHA512

    f4deef3f01c88319133b7f6b98950a8ab00a88aef5d545f903fd30372fc23c3bf989ccd989fd0ef93d16740bf0f3b16d2b281bd3d34ffe56dbf97c40d869e8e7

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/528-0-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/528-9-0x0000000000160000-0x0000000000169000-memory.dmp

    Filesize

    36KB

  • memory/528-6-0x0000000000160000-0x0000000000169000-memory.dmp

    Filesize

    36KB

  • memory/528-14-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/528-15-0x0000000000160000-0x0000000000169000-memory.dmp

    Filesize

    36KB

  • memory/1156-16-0x0000000000930000-0x0000000000939000-memory.dmp

    Filesize

    36KB