Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 06:55

General

  • Target

    c1e8c05d4d509386be7b59cf97013bba37463b0d1601f312c164c920a8df0c40.exe

  • Size

    4.7MB

  • MD5

    148b1db50926e244f45ca96aa91de4b6

  • SHA1

    16f4aef750eb621297144123edb0f5ba0baf1f04

  • SHA256

    c1e8c05d4d509386be7b59cf97013bba37463b0d1601f312c164c920a8df0c40

  • SHA512

    9e0b147d5f5cb889420052e980770f07606ddf75e3de4783bb1d6d748bc2a7212cac3a080cbe21ecc2d4e8b2b03bb26af3e60b25a1d3b9a396d6f9eb056c667a

  • SSDEEP

    98304:NBhwE1i2Yop2MB4t3Pe5tcYfwrZuQdP+lyA7+QXLa:NBh31i2gMB4taCYfwtTGyAiM

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 1 IoCs
  • 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 use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1e8c05d4d509386be7b59cf97013bba37463b0d1601f312c164c920a8df0c40.exe
    "C:\Users\Admin\AppData\Local\Temp\c1e8c05d4d509386be7b59cf97013bba37463b0d1601f312c164c920a8df0c40.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\jXnJvz.exe
      C:\Users\Admin\AppData\Local\Temp\jXnJvz.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\7bf249ab.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7bf249ab.bat

    Filesize

    187B

    MD5

    32726da1b4ad57d1140734b01371ef6c

    SHA1

    a45f9afbc3ac1fe1ee64d7e30f0467212f160594

    SHA256

    9f3a539d677344041df04fb48f00471d67af3a54c7fe063b2d6f93b25bf81d8d

    SHA512

    b4e467c73d52dd70f8f84f7cf73b90d38c3f745858a13e2d260a170a455e61b880f8802a185f7b93053911eb2822193de6f21d4c4fef556fe56ffdac4af4ea23

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2076-0-0x0000000000400000-0x0000000000A42000-memory.dmp

    Filesize

    6.3MB

  • memory/2076-4-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2076-14-0x0000000000400000-0x0000000000A42000-memory.dmp

    Filesize

    6.3MB

  • memory/2076-31-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/2344-10-0x0000000000040000-0x0000000000049000-memory.dmp

    Filesize

    36KB

  • memory/2344-16-0x0000000000040000-0x0000000000049000-memory.dmp

    Filesize

    36KB