Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 18:00

General

  • Target

    ed77e40623eb96b42f39521d66a75a2fff1a2ab84c93f82946f4c3c228cf6982.exe

  • Size

    1.2MB

  • MD5

    9fc1893dacad7e19809e66b23aa7769f

  • SHA1

    fd842b1ecfd11859ce491c39553d4b0104c503c4

  • SHA256

    ed77e40623eb96b42f39521d66a75a2fff1a2ab84c93f82946f4c3c228cf6982

  • SHA512

    b714391bab442f429438ff65f1d15a843a685beb65cd62de06341e068caa3a0ed627a2e3bd4e87b1970ae4773fb9f8c04172b650765241173040fea34bc4078d

  • SSDEEP

    24576:6QQiPSnX/+wa8dpwqbY9wk+3BrLGaMR7QcrTJ1rEw9LCpC19VXRz9jsAgZb/fbq:6lX/+wa8dprb9/9LGaMR7QE9DBcCzVfx

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\ed77e40623eb96b42f39521d66a75a2fff1a2ab84c93f82946f4c3c228cf6982.exe
    "C:\Users\Admin\AppData\Local\Temp\ed77e40623eb96b42f39521d66a75a2fff1a2ab84c93f82946f4c3c228cf6982.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Users\Admin\AppData\Local\Temp\hReLQW.exe
      C:\Users\Admin\AppData\Local\Temp\hReLQW.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:3440
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\17715d35.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\17715d35.bat

    Filesize

    187B

    MD5

    d6e005841c3573a088c1bf6ebaf987fd

    SHA1

    aea2903a2c68e621a1991c816d4c1561d52f0019

    SHA256

    df0090a90fb40247b4739de1307860af734f61712f19fafa035cd49cc0fe8fff

    SHA512

    c2124377466dfec8b1b133a62ba2635aee748d46d4d6aba35c5574d5f50e20371b0bbf0591f39fe417a3eb76ee39b2e6a3c651a748e669443a9f74249f1dd4f6

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/892-0-0x0000000000400000-0x0000000000762000-memory.dmp

    Filesize

    3.4MB

  • memory/892-7-0x0000000000400000-0x0000000000762000-memory.dmp

    Filesize

    3.4MB

  • memory/3440-4-0x00000000006F0000-0x00000000006F9000-memory.dmp

    Filesize

    36KB

  • memory/3440-9-0x00000000006F0000-0x00000000006F9000-memory.dmp

    Filesize

    36KB