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Analysis

  • max time kernel
    118s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 20:23

General

  • Target

    7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe

  • Size

    920KB

  • MD5

    77b83e48cf19b621fc0c2a3c8407d250

  • SHA1

    ebd580c9318a8ab52465ded78419a289cdcdd3d4

  • SHA256

    7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627

  • SHA512

    69676799f6cc4a92836e68b52eecbb9939a2cf216344b0b498cd5a12ac942e1d9dd8c75c5f30cdd9ad6247f729f997c4d4f19472bb55e554aa1ee53393ed1247

  • SSDEEP

    24576:3RKaPH2Z4nET7PIgOLoJNlVq4YmDWG9Dsl:35PHe+O1LPlU

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 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe
    "C:\Users\Admin\AppData\Local\Temp\7cbd3cc33d4dcb500710d8361832af32707fbe1116f1012ec8d59713b2705627N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Users\Admin\AppData\Local\Temp\HKLGBz.exe
      C:\Users\Admin\AppData\Local\Temp\HKLGBz.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2796-9-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2796-8-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2796-3-0x0000000000400000-0x0000000000669000-memory.dmp

    Filesize

    2.4MB

  • memory/2796-14-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2796-16-0x0000000000400000-0x0000000000669000-memory.dmp

    Filesize

    2.4MB

  • memory/2796-17-0x0000000000400000-0x0000000000669000-memory.dmp

    Filesize

    2.4MB

  • memory/2824-11-0x0000000000F50000-0x0000000000F59000-memory.dmp

    Filesize

    36KB

  • memory/2824-18-0x0000000000F50000-0x0000000000F59000-memory.dmp

    Filesize

    36KB