Analysis

  • max time kernel
    145s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 17:44

General

  • Target

    347ce4fd3811b484a1d343ad1be40ea0df979241580812d90f99630e87c9f47c.exe

  • Size

    12.0MB

  • MD5

    8f4dc655bde60fbb1bf5a8bba9b8f8e3

  • SHA1

    863835fed03034a73109a828f983586c6828c959

  • SHA256

    347ce4fd3811b484a1d343ad1be40ea0df979241580812d90f99630e87c9f47c

  • SHA512

    b7d627104c63f640b963fecf065cb5afe52b963dace551c5e8b7227208c105507d274410a902072180daadb2687993ef4ab96c46744f54bb77c0ebeffbba49f1

  • SSDEEP

    49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zGFTCTMqQ:s/KU9/pyJx9Y5elq0T

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
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\347ce4fd3811b484a1d343ad1be40ea0df979241580812d90f99630e87c9f47c.exe
    "C:\Users\Admin\AppData\Local\Temp\347ce4fd3811b484a1d343ad1be40ea0df979241580812d90f99630e87c9f47c.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\fpBedr.exe
      C:\Users\Admin\AppData\Local\Temp\fpBedr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\0a8f2d76.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\0a8f2d76.bat

    Filesize

    187B

    MD5

    58f088a9139c5932af97f35b310a3b0e

    SHA1

    708c0fd2082fc759f4e5dd65c31339a7d3d57677

    SHA256

    1d953ce72fa8fd62b9745cce8b341135d139247c949629682b3237214badaa1a

    SHA512

    0b1077af9e5374a4e3eb85c7304d79c19fd0c3a20da85597fc5d00a807cede95ef54b642faa0fa7048d065bc40a6920602dcca4062f5f63a0418684cf46f298f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1644-12-0x0000000000AB0000-0x0000000000AB9000-memory.dmp

    Filesize

    36KB

  • memory/1644-18-0x0000000000AB0000-0x0000000000AB9000-memory.dmp

    Filesize

    36KB

  • memory/1732-10-0x00000000002A0000-0x0000000000F01000-memory.dmp

    Filesize

    12.4MB

  • memory/1732-13-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/1732-11-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/1732-15-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

    Filesize

    1024KB

  • memory/1732-17-0x00000000002A0000-0x0000000000F01000-memory.dmp

    Filesize

    12.4MB

  • memory/1732-19-0x0000000002BC0000-0x0000000002CC0000-memory.dmp

    Filesize

    1024KB

  • memory/1732-26-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/1732-28-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB