Analysis

  • max time kernel
    36s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18/12/2023, 12:31

General

  • Target
    6b8ddbac4e5ffc9db3f78ba89b6041ef.exe
  • Size 294KB
  • Sample231218-pp2emsadhj
  • SHA256 daf509b87e48e580e61942ee42b9b7c99f5eb09656f1f02c8bb25bdb862b4c42
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://onualituyrs.org/

  • http://sumagulituyo.org/

  • http://snukerukeutit.org/

  • http://lightseinsteniki.org/

  • http://liuliuoumumy.org/

  • http://stualialuyastrelia.net/

  • http://kumbuyartyty.net/

  • http://criogetikfenbut.org/

  • http://tonimiuyaytre.org/

  • http://tyiuiunuewqy.org/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b8ddbac4e5ffc9db3f78ba89b6041ef.exe
    "C:\Users\Admin\AppData\Local\Temp\6b8ddbac4e5ffc9db3f78ba89b6041ef.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2988
  • C:\Users\Admin\AppData\Local\Temp\ADDC.exe
    C:\Users\Admin\AppData\Local\Temp\ADDC.exe
    1⤵
    • Executes dropped EXE
    PID:2816
    • C:\Users\Admin\AppData\Local\Temp\ADDC.exe
      C:\Users\Admin\AppData\Local\Temp\ADDC.exe
      2⤵
        PID:3060

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          ADDC.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ADDC.exe
          • Size 1.9MB
          • SHA256 da2d6400b2054591a41b4cd539934d12c9b0c6220e75ebb1a69096c7cd6ab9fa
          • MD5 SHA1 SHA512 SSDEEP

          ADDC.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ADDC.exe
          • Size 1.9MB
          • SHA256 6ffdead52c68fdafb9fb7e5f0b2e4fc806e56f1a3126bad04194cba602dd92c5
          • MD5 SHA1 SHA512 SSDEEP

          ADDC.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ADDC.exe
          • Size 611KB
          • SHA256 022a975bdb8c2042b7c08a941216cc48ec4d90c85e97a4e84fd5f7e06538f5a4
          • MD5 SHA1 SHA512 SSDEEP

          ADDC.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ADDC.exe
          • Size 293KB
          • SHA256 5f95c31a4d61e1e1a0cea43de43efca608a3cec0b54b6590ab999cd1555950d5
          • MD5 SHA1 SHA512 SSDEEP

          ADDC.exe

          • Path \Users\Admin\AppData\Local\Temp\ADDC.exe
          • Size 444KB
          • SHA256 d7a893e414cbc12962f5c621f23faba530b48116a41afcca23b889334633a147
          • MD5 SHA1 SHA512 SSDEEP

          memory/1208-4-0x0000000002E90000-0x0000000002EA6000-memory.dmp

          memory/2816-29-0x00000000023F0000-0x00000000025A8000-memory.dmp

          memory/2816-20-0x00000000023F0000-0x00000000025A8000-memory.dmp

          memory/2816-28-0x00000000025B0000-0x0000000002767000-memory.dmp

          memory/2988-1-0x00000000009B0000-0x0000000000AB0000-memory.dmp

          memory/2988-2-0x0000000000220000-0x000000000022B000-memory.dmp

          memory/2988-3-0x0000000000400000-0x000000000086B000-memory.dmp

          memory/2988-5-0x0000000000400000-0x000000000086B000-memory.dmp

          memory/3060-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          memory/3060-27-0x0000000000400000-0x0000000000848000-memory.dmp

          memory/3060-31-0x0000000000400000-0x0000000000848000-memory.dmp

          memory/3060-25-0x0000000000400000-0x0000000000848000-memory.dmp

          memory/3060-32-0x0000000000400000-0x0000000000848000-memory.dmp

          memory/3060-34-0x0000000000400000-0x0000000000848000-memory.dmp

          memory/3060-33-0x0000000000400000-0x0000000000848000-memory.dmp