Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 11:47

General

  • Target

    2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe

  • Size

    1.2MB

  • MD5

    b3670f2666c0f3ccb9456e0aab00480d

  • SHA1

    3a9efa649fecc41fd2e5b05630504452ce9d3bb5

  • SHA256

    d59f0807902e89eee53db2a85bab6131700fa6be2d36604cc32efe71c94ad6bf

  • SHA512

    2b3cea482fe944b0d7f3515abf8f9e6534c857622d0d26dd0bdcbd34e545a411e0222dfb129ec19709e516e999eef0e8c2b0f7db248dd5f1fcb445089c9c1de6

  • SSDEEP

    24576:07GO7dtrjrICw9XuXo7beSTdt5xbX02uvfTXfBxrj3d5E/jKQvVj4YpdjYY0td78:1EtnrICSooGSTD5xbX022fjBxrj3

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
  • 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\2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\cxaFhI.exe
      C:\Users\Admin\AppData\Local\Temp\cxaFhI.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\2abf62e6.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7CNUR30T\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\1B685CCC.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\2abf62e6.bat

    Filesize

    187B

    MD5

    caa602fa7edd3ceb99465f2c12c9633d

    SHA1

    7a1e0df893c357f9df38ba2c1cd6cd45792a9126

    SHA256

    5110193265df98bd1c4de58c254cf265d2e5e1e6128485915d7140eb683e983f

    SHA512

    338fceb51fd38e3424d1e76d62088a322779697458947c5a8f0f4f6d5278cf33675338263e8c5fd28cf2ce4fa1b48de4566a16573236e1ec8e23231de395b025

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1768-41-0x00000000009F0000-0x00000000009F9000-memory.dmp

    Filesize

    36KB

  • memory/2328-0-0x0000000000400000-0x000000000053D000-memory.dmp

    Filesize

    1.2MB

  • memory/2328-3-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2328-9-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2328-43-0x0000000000400000-0x000000000053D000-memory.dmp

    Filesize

    1.2MB

  • memory/2328-44-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB