Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 19:28

General

  • Target

    2024-12-04_7a33ef8d6f507337d473ab45ee9d8164_avoslocker_luca-stealer_wapomi.exe

  • Size

    3.5MB

  • MD5

    7a33ef8d6f507337d473ab45ee9d8164

  • SHA1

    c090882d93c1e260ea8151e90ecceb96290af8a4

  • SHA256

    e3112e1558f2fd0251ce474b4ab1e29775e8fbc572ddf8cac777ebc4bba7b4b8

  • SHA512

    24c79cc981c0eef78ab5ce1187b56087dbdce5b3fb7be6e760e0e143605a0211423d39c42ff12b3b94985fd413c72a40982f0adf9d7a62e095b1fd5327618345

  • SSDEEP

    98304:TTVmfVf9VudfKQjZXMm8qGuxCfac6xAKyfTim/FLOAkGkzdnEVomFHKnPW:TyVudbqfac6xAKy7rFLOyomFHKnPW

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

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-04_7a33ef8d6f507337d473ab45ee9d8164_avoslocker_luca-stealer_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-04_7a33ef8d6f507337d473ab45ee9d8164_avoslocker_luca-stealer_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\vrihSN.exe
      C:\Users\Admin\AppData\Local\Temp\vrihSN.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:3804
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2c03727f.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2c03727f.bat

    Filesize

    187B

    MD5

    b31c0f2a7b0b53fa0983114854ce0a15

    SHA1

    1fd89645a50f3560b74ad063d35ddf724f9d2644

    SHA256

    acd8fc715efd69f4a2fee5e39c0edb26aae1e338876051aa5e11a74c4e6c6c07

    SHA512

    fd6fddb42e13271f5b1ecf3387936580a44ec849b8c9c47baadae82d1250ab9bf79784a6cce441de74a628535c755ef58e5e05d1f9a83b1cc25a3da7fc7df4d1

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1516-0-0x0000000000F00000-0x0000000001285000-memory.dmp

    Filesize

    3.5MB

  • memory/1516-7-0x0000000000F00000-0x0000000001285000-memory.dmp

    Filesize

    3.5MB

  • memory/3804-5-0x00000000009E0000-0x00000000009E9000-memory.dmp

    Filesize

    36KB

  • memory/3804-8-0x00000000009E0000-0x00000000009E9000-memory.dmp

    Filesize

    36KB