Analysis

  • max time kernel
    106s
  • 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
    02-02-2025 00:52

General

  • Target

    2025-02-02_2331079f0bfa0525f70d2d5d9e76165f_smoke-loader_wapomi.exe

  • Size

    1.1MB

  • MD5

    2331079f0bfa0525f70d2d5d9e76165f

  • SHA1

    52e2f14542b57665168b2280e8bd30244f9676fc

  • SHA256

    eef5305d427c9030db4cdf6c118b27a95df3d88c1132ef168988ee2ab8502556

  • SHA512

    0a6512f770f1cb0902676557b6fc82964ff58d63a9f26a988ef897954e987bbe3b134739be3ae85eaecc1cf986da37f658ef624a74dfc410ade6d2cea3de0762

  • SSDEEP

    24576:c/i1PKzPeLS7Q7FDGiA0pn3OTPjQb2N4VVzoK93VKrE7O3iaURu90/:mbSdJU0pn3OTPjQb2N4rzVVKYaUR80/

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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-02_2331079f0bfa0525f70d2d5d9e76165f_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-02_2331079f0bfa0525f70d2d5d9e76165f_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\gIVfBh.exe
      C:\Users\Admin\AppData\Local\Temp\gIVfBh.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:3724
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\291d24bf.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\291d24bf.bat

    Filesize

    187B

    MD5

    c5b1bd23ce8a1c33a1b43b7367f26691

    SHA1

    ee665f829f7c39bab52dd0e8c6ebeca24c93cca8

    SHA256

    46726c194a529c6e25df273cdf8503924f67b396b86fa0d058466c2ec1c6eb2a

    SHA512

    47970defb38b5bf41703aca8f1450b6c41f415eb771907b7e90cebc2380a722a12943bfcdc55cfb422ab90089f6db958697d6b97d1a48505886916a1c8d30628

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/3028-0-0x0000000000400000-0x0000000000529000-memory.dmp

    Filesize

    1.2MB

  • memory/3028-7-0x0000000000400000-0x0000000000529000-memory.dmp

    Filesize

    1.2MB

  • memory/3724-4-0x00000000008B0000-0x00000000008B9000-memory.dmp

    Filesize

    36KB

  • memory/3724-8-0x00000000008B0000-0x00000000008B9000-memory.dmp

    Filesize

    36KB