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
    14-12-2024 13:18

General

  • Target

    5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe

  • Size

    14.9MB

  • MD5

    14b4666448134224bfd44d2f6c248872

  • SHA1

    4ab14ff17dd9dafabdf3ab131eda4735f85920ee

  • SHA256

    5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242

  • SHA512

    18c756db39a72160e3714a69281d86195ed7069e128afce43756c0d3c55d633674cd5b06d782ff7ff0f4c2490b7c992533238cb9178b4536d0f0b3aa802b2548

  • SSDEEP

    196608:RWzxiAZQGSVyUxHOmzdUG35rZODxge3Hub7WLvlAXOpKwdou2rTX+0O/:AqGSVRHT2GprZU3eUvhKwdoPX+0A

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 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
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe
    "C:\Users\Admin\AppData\Local\Temp\5a848fd4e07bf7a3cb43bd6a603f1fe890a90c37d63f54f53b8c8e7948d53242.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\cBxg.exe
      C:\Users\Admin\AppData\Local\Temp\cBxg.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\1a807b17.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1a807b17.bat

    Filesize

    183B

    MD5

    b246108b861e938b831def63da699ef0

    SHA1

    9d56032d3dd30cf26f09c6a6256ec84d15effcdf

    SHA256

    3f91ce039199dfad5b46b545aba9ac8666f49f7d38f4ada926f476336d3a68ca

    SHA512

    343705eb221702b8981667c71eed052fd9497be8fa9a79bca98eefbcc97e22b0a3d36507849795b4836cb0203360b6c2d237db87591ddd1c8392c35869c6f33a

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1952-37-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-65-0x0000000000400000-0x0000000001325000-memory.dmp

    Filesize

    15.1MB

  • memory/1952-10-0x0000000000400000-0x0000000001325000-memory.dmp

    Filesize

    15.1MB

  • memory/1952-14-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-55-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-58-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-33-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-51-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-49-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-47-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-45-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-43-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-41-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-39-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-13-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/1952-11-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/1952-53-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-31-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-29-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-27-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-25-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-23-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-60-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-21-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-19-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-17-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-16-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-15-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/1952-64-0x0000000000400000-0x0000000001325000-memory.dmp

    Filesize

    15.1MB

  • memory/1952-35-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/2040-66-0x00000000012B0000-0x00000000012B9000-memory.dmp

    Filesize

    36KB

  • memory/2040-12-0x00000000012B0000-0x00000000012B9000-memory.dmp

    Filesize

    36KB