Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    15/02/2024, 17:37

General

  • Target
    3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe
  • Size 242KB
  • Sample240215-v7ew9ada49
  • SHA256 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub3

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://sjyey.com/tmp/index.php

  • http://babonwo.ru/tmp/index.php

  • http://mth.com.ua/tmp/index.php

  • http://piratia.pw/tmp/index.php

  • http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Extracted

Family
  • amadey

Version
  • 4.14

C2
  • http://anfesq.com

  • http://cbinr.com

  • http://rimakc.ru

Attributes
  • install_dir

    68fd3d7ade

  • install_file

    Utsysc.exe

  • strings_key

    27ec7fd6f50f63b8af0c1d3deefcc8fe

  • url_paths

    /forum/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 44 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe
    "C:\Users\Admin\AppData\Local\Temp\3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2224
  • C:\Users\Admin\AppData\Local\Temp\B1F1.exe
    C:\Users\Admin\AppData\Local\Temp\B1F1.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN Utsysc.exe /TR "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:2632
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:768
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1468
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1468 -s 312
            5⤵
            • Loads dropped DLL
            PID:1408
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2084
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1632
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1632 -s 312
            5⤵
            • Loads dropped DLL
            PID:1528
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:656
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 656 -s 312
            5⤵
            • Loads dropped DLL
            PID:1492
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:1880
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2540
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:1052
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1B6E16F9-DFC6-414C-820B-289F5F92177A} S-1-5-21-928733405-3780110381-2966456290-1000:VTILVGXH\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:1224
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2864
    • C:\Users\Admin\AppData\Roaming\wcegush
      C:\Users\Admin\AppData\Roaming\wcegush
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2648

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        287334053780

        • Path C:\Users\Admin\AppData\Local\Temp\287334053780
        • Size 67KB
        • SHA256 3d130910e28426d065f8842bfec5ea46358f95dd1e46e66a0ecd15a2c8db2a21
        • MD5 SHA1 SHA512 SSDEEP

        B1F1.exe

        • Path C:\Users\Admin\AppData\Local\Temp\B1F1.exe
        • Size 388KB
        • SHA256 8e041d73ebb85ce34c5536ca2d489f6c057a95557600ccf920750fb33361336b
        • MD5 SHA1 SHA512 SSDEEP

        clip64.dll

        • Path C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll
        • Size 102KB
        • SHA256 97e342fb4dbfe474ab2674682a816931bb9f56814bf13b20ff11ac1939775125
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll
        • Size 1.1MB
        • SHA256 83ef6d2414a5c0c9cb6cfe502cb40cdda5c425ee7408a4075e32891f4599d938
        • MD5 SHA1 SHA512 SSDEEP

        wcegush

        • Path C:\Users\Admin\AppData\Roaming\wcegush
        • Size 242KB
        • SHA256 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b
        • MD5 SHA1 SHA512 SSDEEP

        memory/1132-123-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1132-109-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1132-92-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1132-81-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1132-70-0x00000000005A0000-0x00000000006A0000-memory.dmp

        memory/1132-69-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1132-48-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1132-37-0x00000000005A0000-0x00000000006A0000-memory.dmp

        memory/1132-38-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1132-128-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1224-111-0x0000000000500000-0x0000000000600000-memory.dmp

        memory/1224-110-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/1344-4-0x0000000002650000-0x0000000002666000-memory.dmp

        memory/1344-142-0x00000000029D0000-0x00000000029E6000-memory.dmp

        memory/2132-34-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2132-21-0x00000000008B0000-0x00000000008B1000-memory.dmp

        memory/2132-20-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2132-19-0x0000000000280000-0x00000000002EF000-memory.dmp

        memory/2132-18-0x0000000000620000-0x0000000000720000-memory.dmp

        memory/2132-36-0x0000000000280000-0x00000000002EF000-memory.dmp

        memory/2224-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

        memory/2224-3-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/2224-2-0x0000000000220000-0x000000000022B000-memory.dmp

        memory/2224-5-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/2648-140-0x0000000000560000-0x0000000000660000-memory.dmp

        memory/2648-141-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/2648-143-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/2864-138-0x0000000000250000-0x0000000000350000-memory.dmp

        memory/2864-137-0x0000000000400000-0x0000000000471000-memory.dmp