Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 15:44

General

  • Target

    401b4ccfa4a58a4a9ae4b4153d98bb66f21835ad5ee1ebba35a37b2e191cce97.exe

  • Size

    4.7MB

  • MD5

    911ced39fce87ebbd6ccc95d20955034

  • SHA1

    f4544c0cc3c14d1b9a1ae1aa67023e1aeb41e335

  • SHA256

    401b4ccfa4a58a4a9ae4b4153d98bb66f21835ad5ee1ebba35a37b2e191cce97

  • SHA512

    376658d08673e4f3866a83c270ece2a2fe8142cc7bf2279fb23a73f1f6a913a235721ad356158a7a7041e0ab655739dacdf8a04f7b476d916888c0b31793dcd1

  • SSDEEP

    98304:EeCSukxBKtDpgEoOEdTJXdV4+cD1/Krjqgae0IC9pLKrCEAmKs:Ewtb0aHbXdO+81/ujqFe0I6ArCF

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\401b4ccfa4a58a4a9ae4b4153d98bb66f21835ad5ee1ebba35a37b2e191cce97.exe
    "C:\Users\Admin\AppData\Local\Temp\401b4ccfa4a58a4a9ae4b4153d98bb66f21835ad5ee1ebba35a37b2e191cce97.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\AppData\Local\Temp\wMOCIl.exe
      C:\Users\Admin\AppData\Local\Temp\wMOCIl.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\0c5d2322.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0c5d2322.bat

    Filesize

    187B

    MD5

    63d2bc3dd298e386e863b0f118179b6a

    SHA1

    ef67b266375c470e97438410cb2dd9d9ae099e9e

    SHA256

    a63b4f5c7b871645c551763b284b799a9f3fad6f66c2638ac9426d8ee22fd11b

    SHA512

    3b08c02eacf3e2e981739cee45eaffe807700e6bd294e02ec4a7420ee8270ca4a74f228ad739c4a221e9865887242ccea122ad854e97cd25fb922734f72e062f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1212-11-0x0000000000930000-0x0000000000939000-memory.dmp

    Filesize

    36KB

  • memory/1212-17-0x0000000000930000-0x0000000000939000-memory.dmp

    Filesize

    36KB

  • memory/1904-0-0x0000000000400000-0x0000000000A42000-memory.dmp

    Filesize

    6.3MB

  • memory/1904-10-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1904-9-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1904-15-0x0000000000400000-0x0000000000A42000-memory.dmp

    Filesize

    6.3MB

  • memory/1904-32-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1904-33-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB