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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2024, 23:17

General

  • Target

    251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe

  • Size

    141KB

  • MD5

    7fcd8e159eee00ae5910d2dcf2ae2e10

  • SHA1

    69422baa84641f3d1117f09fb0d461068977c266

  • SHA256

    251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebb

  • SHA512

    722bb0115a98cbe18d0e568f18f953192e4052d8e4d23c4bafa2b99d5ea7af5a05cda7acd07d17dbc4d829120e0c35f571eb671ccd2e2d2eca6898f90475bf63

  • SSDEEP

    1536:BKnrXO3fbLMkihYSVRHSKv2UV9MsPJ+ff0XdBch52KYopz871GCq2iW7z:B3TLsbrR3V9JZtS52KYopz85GCH

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\251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe
    "C:\Users\Admin\AppData\Local\Temp\251a6f9640eec9ea5a02102003ace3e7a071246b58d194f3752e4e69f0697ebbN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\Hse.exe
      C:\Users\Admin\AppData\Local\Temp\Hse.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\68170577.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\68170577.bat

    Filesize

    181B

    MD5

    f55bda83a2452b0f3d319d37fd583dce

    SHA1

    83cd6dc975419b9a27eb1c8cbab45bdc5faf807d

    SHA256

    233fea64e307531170b990ea3c2287ef7c40f0679a591559a2a54b460c4c4751

    SHA512

    f3b7f6d1c3b0127ecbc71212c99eae2b30814deeb9c02c08c7b924fe3fdedb4b9cc797b4417cb14809bb2faade1f6b735502be7fbfa614ce20d8d238ea98f652

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1772-10-0x0000000000860000-0x0000000000869000-memory.dmp

    Filesize

    36KB

  • memory/1772-15-0x0000000000860000-0x0000000000869000-memory.dmp

    Filesize

    36KB

  • memory/1952-0-0x0000000000AF0000-0x0000000000B19000-memory.dmp

    Filesize

    164KB

  • memory/1952-5-0x00000000000F0000-0x00000000000F9000-memory.dmp

    Filesize

    36KB

  • memory/1952-14-0x0000000000AF0000-0x0000000000B19000-memory.dmp

    Filesize

    164KB