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Analysis

  • max time kernel
    96s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2025, 01:56

General

  • Target

    2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    ace412990d9ddfaadfeff468500c5d5a

  • SHA1

    367b0144cf565e0a3d2af2d33707b9be92c639b8

  • SHA256

    2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981

  • SHA512

    75ec579004dc8ecdffef028bafc1dd12c73b3226ec1ffc34f409658e3c876c12ee0640cf5670877f55efe4c68e99eeabfd856ca13317cd0f0e4827372b8ca67d

  • SSDEEP

    1536:Yg/6/tM8NXDjPX0QWlfGMckTQ25GCq2iW7z:Hk3U8kTQOGCH

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\2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Users\Admin\AppData\Local\Temp\BfXBcV.exe
      C:\Users\Admin\AppData\Local\Temp\BfXBcV.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:2196
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1fc63e53.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1fc63e53.bat

    Filesize

    187B

    MD5

    b9ca54b4015647d08defc4864c7ca3fb

    SHA1

    27045e5205177c00a7e8883ba234cbdd518ba153

    SHA256

    a2939b8d74114e237276bdf484c5bce09968a7583f588142c93e8ed8211b91f4

    SHA512

    f171c54ccfcb227a063448ce1c8e89f981a5b4b1b529cb260e5ce6f520e26bf28885050d53a0fe362a39692a979ebfd58de97ce3baaff8ab4cf170dfc0c8c255

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2196-5-0x0000000000060000-0x0000000000069000-memory.dmp

    Filesize

    36KB

  • memory/2196-15-0x0000000000060000-0x0000000000069000-memory.dmp

    Filesize

    36KB

  • memory/3572-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/3572-6-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB