Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1e8c05d4d509386be7b59cf97013bba37463b0d1601f312c164c920a8df0c40.exe
    "C:\Users\Admin\AppData\Local\Temp\c1e8c05d4d509386be7b59cf97013bba37463b0d1601f312c164c920a8df0c40.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Users\Admin\AppData\Local\Temp\jXnJvz.exe
      C:\Users\Admin\AppData\Local\Temp\jXnJvz.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3452
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\28d703cd.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\28d703cd.bat

    Filesize

    187B

    MD5

    142c40ae576429ff5863af46106d1f83

    SHA1

    295e5c21885ca2e724566a0e5883387f6d2286be

    SHA256

    b25763a8f269f00c4eed9f1f4a7dbeae4b1f786e279cda54c511500e57724017

    SHA512

    ebd9fdc3b79bf58eced358c232bec6e70687d6956a488c58364fa2ea14c9589de0a1085a182c7a835b541e89f8b7e25853e105b6c766b72df4dec4930eba7caa

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/3200-0-0x0000000000400000-0x0000000000A42000-memory.dmp

    Filesize

    6.3MB

  • memory/3200-7-0x0000000000400000-0x0000000000A42000-memory.dmp

    Filesize

    6.3MB

  • memory/3452-4-0x0000000000550000-0x0000000000559000-memory.dmp

    Filesize

    36KB

  • memory/3452-9-0x0000000000550000-0x0000000000559000-memory.dmp

    Filesize

    36KB