Analysis

  • max time kernel
    125s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 10:32

General

  • Target

    2025-01-16_f665c0f337310b3ffc04bf8396d2af53_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    f665c0f337310b3ffc04bf8396d2af53

  • SHA1

    396514ba53439509ba9007c331b861e93d1733c4

  • SHA256

    5b186987bd0a0b96b4083c8c382be0679039da66a6b4c63bf1728e3afe6b4e7f

  • SHA512

    69e917cc598ae5696f7ec5825de6a037a66d09b8b13fb7c4d7ad67f8a2f3f15d27f4e3b75a0716a5fdac971ba3ea5685d4b629e7b7b6cb2ac4a7b66d87463fbc

  • SSDEEP

    1536:RfnLq01weW5yX3jFxv49Nu4GhQLhGCq2iW7z:Y3ysTGhQdGCH

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\2025-01-16_f665c0f337310b3ffc04bf8396d2af53_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-16_f665c0f337310b3ffc04bf8396d2af53_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Users\Admin\AppData\Local\Temp\yWRGkmlr.exe
      C:\Users\Admin\AppData\Local\Temp\yWRGkmlr.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:2400
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\28d04532.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\28d04532.bat

    Filesize

    191B

    MD5

    57ea0dc1b982f8275e0cfd77fa485a2e

    SHA1

    9b1d2303e3e6b11adf109dd1cd0c918572341d41

    SHA256

    df57982948ebf9b666dce8e630aad73e21b7d860f1ec01e069c7e16dda36c151

    SHA512

    1d3056663097d3cfd8ad103d3f1ed0cdd27e98afee9a7874472b3e56f046b7b3867f6b6545d2be57b56410805e11f8de9e4dda8baf3feed5367deb25cf1a0d91

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2400-4-0x0000000000A40000-0x0000000000A49000-memory.dmp

    Filesize

    36KB

  • memory/2400-8-0x0000000000A40000-0x0000000000A49000-memory.dmp

    Filesize

    36KB

  • memory/3868-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/3868-5-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB