Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-10-2024 02:35

General

  • Target

    79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe

  • Size

    36KB

  • MD5

    1913f1b56f94a777c0130ef6e358586f

  • SHA1

    b1bc6735532a06744d37245f172408f8c2f062b0

  • SHA256

    79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3

  • SHA512

    b838ae8f592776e80c25e4e6280a6e778fa1a1073d62aea9bd6604bdf25248848a45c8589373a0dd978a6193b8ac454eadf53ebcf187dcaa1eb1308cb0a4799c

  • SSDEEP

    768:1LtEcKD6bLDnaJy+bDbM7fSqQGPL4vzZq2o9W7GsxBbPr:1LdugLjR+yfSJGCq2iW7z

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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe
    "C:\Users\Admin\AppData\Local\Temp\79757b669da7754fb0319e313a1c24b9c9e170b7815174ca55959eb3bbca43f3.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Users\Admin\AppData\Local\Temp\hjErac.exe
      C:\Users\Admin\AppData\Local\Temp\hjErac.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2084
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\231a0d39.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\S8GI6B9B\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\231a0d39.bat

    Filesize

    187B

    MD5

    9ae5eefe0646489312c597e6a935df44

    SHA1

    a2c5a1944f601fb3ea00f2d6873fdaf3b8448ff1

    SHA256

    111fea2676605659b3baf3cb80a1fd236fb4d7eb49e92f7506063053c0c60eba

    SHA512

    e9fa9fe89ac7efdb274e65f387bb57d5a6d3ae4d9b4322a4c65bed727e5621848e613dec1f50dbbc67f15d2613349e75c6e2347b8e5768499ede92f7eb440c5f

  • C:\Users\Admin\AppData\Local\Temp\4B67320E.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/596-0-0x0000000001050000-0x000000000105E000-memory.dmp

    Filesize

    56KB

  • memory/596-10-0x0000000001030000-0x0000000001039000-memory.dmp

    Filesize

    36KB

  • memory/596-9-0x0000000001030000-0x0000000001039000-memory.dmp

    Filesize

    36KB

  • memory/596-44-0x0000000001050000-0x000000000105E000-memory.dmp

    Filesize

    56KB

  • memory/596-45-0x0000000001030000-0x0000000001039000-memory.dmp

    Filesize

    36KB

  • memory/596-46-0x0000000001030000-0x0000000001039000-memory.dmp

    Filesize

    36KB

  • memory/2084-11-0x0000000001030000-0x0000000001039000-memory.dmp

    Filesize

    36KB

  • memory/2084-42-0x0000000001030000-0x0000000001039000-memory.dmp

    Filesize

    36KB