Analysis

  • max time kernel
    77s
  • max time network
    71s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-01-2025 02:44

General

  • Target

    2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe

  • Size

    58KB

  • MD5

    d1f8dcb563b63db7073d2334851adfd1

  • SHA1

    7c3ae9fd45cf7d903689b65d123320b26780b3a9

  • SHA256

    47c887405480c843b10d795b819fdde8624f3f46c9210635b452fce77a6f999f

  • SHA512

    41971871ea33e1550ea673f325d2cf47b5050a4336b56adb68f8c1ef2c968f1913b700ba11d7c4e1030e5d28e83f9b21ad504a48d111a3ccef3bc10b8e7af947

  • SSDEEP

    768:Z5m+28z1keG1Genz00tur2OzZPSZAHWyxy+57QFlQGPL4vzZq2o9W7GsxBbPr:zv28p0hAmuyOzZPdxP5SCGCq2iW7z

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-21_d1f8dcb563b63db7073d2334851adfd1_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\RViisd.exe
      C:\Users\Admin\AppData\Local\Temp\RViisd.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\791f7868.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\791f7868.bat

    Filesize

    187B

    MD5

    74846f497e5f3b18f8061375c3762d4d

    SHA1

    42016a85caee1dfa2b01f7dbd714239452b178f8

    SHA256

    78da37005202b7e3e5610b77ba12eca204dc5ed31a21ddc0d87d0167e0131930

    SHA512

    4edc49ce20000ea713ac602c526c2431093a0463bef3ffb20be51b82730f317c0309480ae6ebac3974d1ffe9caf44017d93f3533d517941d205d7653aa4d2652

  • \Users\Admin\AppData\Local\Temp\RViisd.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2096-15-0x00000000012E0000-0x00000000012E9000-memory.dmp

    Filesize

    36KB

  • memory/2100-0-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2100-4-0x00000000002F0000-0x00000000002F9000-memory.dmp

    Filesize

    36KB

  • memory/2100-9-0x00000000002F0000-0x00000000002F9000-memory.dmp

    Filesize

    36KB

  • memory/2100-13-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB