Analysis

  • max time kernel
    144s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 17:47

General

  • Target

    9d64eec3ecff8689a32165502b955a466e9ba8a572e8cca8f1b669ae2b10b535.exe

  • Size

    12.0MB

  • MD5

    962ed0458f50bbed965b64bea56eb7cd

  • SHA1

    d5dea36f823ff16bd47692d425681e62520767f2

  • SHA256

    9d64eec3ecff8689a32165502b955a466e9ba8a572e8cca8f1b669ae2b10b535

  • SHA512

    9440ac8b648f0ce3f042965fa3b17dad89a124e234f32a9e0f666ab7cc824c8852aa15d81af843a2413198c55957e2f9fb369e95044479be34dc51a049c4567b

  • SSDEEP

    49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zlFTCTMqQ:s/KU9/pyJx9Y5elZ0T

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 2 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\9d64eec3ecff8689a32165502b955a466e9ba8a572e8cca8f1b669ae2b10b535.exe
    "C:\Users\Admin\AppData\Local\Temp\9d64eec3ecff8689a32165502b955a466e9ba8a572e8cca8f1b669ae2b10b535.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Users\Admin\AppData\Local\Temp\eWECYq.exe
      C:\Users\Admin\AppData\Local\Temp\eWECYq.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\59131a3e.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\59131a3e.bat

    Filesize

    187B

    MD5

    8a7ae556fa657d37e10346037cb671af

    SHA1

    cdb1406291894a08285a49cc36c6130b507a4362

    SHA256

    6795d04fc81b4f243e3d1d6831048abe6d151274ddb9413bdf17676b179fa63d

    SHA512

    a2e4a1bceed913e555c5e2c7ac7e19b78ca95242fdb8e8bab17548127f6eff83e99078f4fbf348593d6492c0da4952d19215bf9d0357aa13b8bedec7fdd62a76

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/584-12-0x00000000011B0000-0x00000000011B9000-memory.dmp

    Filesize

    36KB

  • memory/584-18-0x00000000011B0000-0x00000000011B9000-memory.dmp

    Filesize

    36KB

  • memory/1824-10-0x0000000000EF0000-0x0000000001B51000-memory.dmp

    Filesize

    12.4MB

  • memory/1824-13-0x0000000000100000-0x0000000000109000-memory.dmp

    Filesize

    36KB

  • memory/1824-11-0x0000000000100000-0x0000000000109000-memory.dmp

    Filesize

    36KB

  • memory/1824-15-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

  • memory/1824-17-0x0000000000EF0000-0x0000000001B51000-memory.dmp

    Filesize

    12.4MB

  • memory/1824-19-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

  • memory/1824-26-0x0000000000100000-0x0000000000109000-memory.dmp

    Filesize

    36KB

  • memory/1824-28-0x0000000000100000-0x0000000000109000-memory.dmp

    Filesize

    36KB