Analysis

  • max time kernel
    148s
  • 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
    28-11-2024 03:56

General

  • Target

    2024-11-28_c205558b705dbf77c766e78d25e57e60_smoke-loader_wapomi.exe

  • Size

    36KB

  • MD5

    c205558b705dbf77c766e78d25e57e60

  • SHA1

    80358a4a30c0a4786b9764160e1e20ad624c795c

  • SHA256

    83904ffe5a5c3e8b3af0c98d7a81ac9ac78f9140e55e9944b22a4c7436d672be

  • SHA512

    b796e11783466c0f3e603e1a2ab93a9d0764fae89d374ac74ef004cad79cbf3b6a074dd2ba6d038240c761519db0f6cb0c4e88d30afc00f225f7c235e3eeae10

  • SSDEEP

    768:Y4BZwegjJmxWJQpk84Ul+3xOXB27QGPL4vzZq2o9W7GsxBbPr:Y4BZ2Jm/kWmOXB28GCq2iW7z

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\2024-11-28_c205558b705dbf77c766e78d25e57e60_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-28_c205558b705dbf77c766e78d25e57e60_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3204
    • C:\Users\Admin\AppData\Local\Temp\ySZeVE.exe
      C:\Users\Admin\AppData\Local\Temp\ySZeVE.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:2352
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\72c90b8c.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\72c90b8c.bat

    Filesize

    187B

    MD5

    c0ba0d2a3b205a6370e8da4a971fe72a

    SHA1

    fb55b803cf056758272277b546fa176b1dcc52a2

    SHA256

    91c7b6a9e77736f21531b7b62216af6193839de759e2b0fb13cafaf6711d65ef

    SHA512

    c6051b66311487ff5626b5f4472084884d57ee9578adaf22c6a2a58a5f2333daa5446d22d7b588c33c61bfeea76ae343c2f488386196af4dea6880fd2618a267

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2352-4-0x0000000000DB0000-0x0000000000DB9000-memory.dmp

    Filesize

    36KB

  • memory/2352-8-0x0000000000DB0000-0x0000000000DB9000-memory.dmp

    Filesize

    36KB

  • memory/3204-0-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/3204-7-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB