Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    16/02/2024, 04:27

General

  • Target
    4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300.exe
  • Size 288KB
  • Sample240216-e3gx2saa42
  • SHA256 4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300.exe
    "C:\Users\Admin\AppData\Local\Temp\4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1772
  • C:\Users\Admin\AppData\Local\Temp\7668.exe
    C:\Users\Admin\AppData\Local\Temp\7668.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3016
    • 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:2472
      • 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:2516
      • 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:808
        • 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:1908
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1908 -s 308
            5⤵
            • Loads dropped DLL
            PID:1688
      • 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:2080
        • 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:2284
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2284 -s 308
            5⤵
            • Loads dropped DLL
            PID:2988
      • 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:480
        • 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:692
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:1592
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2024
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2272
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 692 -s 308
    1⤵
    • Loads dropped DLL
    PID:936
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9CB2A9A6-7D71-463F-9F3A-5208CCC5E9E3} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:312
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2044
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2604
    • C:\Users\Admin\AppData\Roaming\ewgvvug
      C:\Users\Admin\AppData\Roaming\ewgvvug
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        248906074286

        • Path C:\Users\Admin\AppData\Local\Temp\248906074286
        • Size 65KB
        • SHA256 c564e73adb96add3824715e92224bee4c7a7eb7e41c09f37f01dbe6eae0c65a6
        • MD5 SHA1 SHA512 SSDEEP

        Utsysc.exe

        • Path C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
        • Size 240KB
        • SHA256 273d9593822af78e4dd486fcefb2d664dd4ea2dc766534f0329b91483bdcada9
        • MD5 SHA1 SHA512 SSDEEP

        7668.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7668.exe
        • Size 384KB
        • SHA256 6f861ffc77ac6529a50211ae09d7bbdf27b97b73e17f9c4cdb397e39dc85a767
        • 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

        ewgvvug

        • Path C:\Users\Admin\AppData\Roaming\ewgvvug
        • Size 288KB
        • SHA256 4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300
        • MD5 SHA1 SHA512 SSDEEP

        Utsysc.exe

        • Path \Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
        • Size 269KB
        • SHA256 4b977e5546e773765fc8c528fae74a96ac6a380b1c7129df0ae8b119c539467a
        • MD5 SHA1 SHA512 SSDEEP

        memory/1204-143-0x0000000002EC0000-0x0000000002ED6000-memory.dmp

        memory/1204-4-0x0000000002E00000-0x0000000002E16000-memory.dmp

        memory/1772-2-0x0000000000220000-0x000000000022B000-memory.dmp

        memory/1772-5-0x0000000000400000-0x0000000002BF5000-memory.dmp

        memory/1772-3-0x0000000000400000-0x0000000002BF5000-memory.dmp

        memory/1772-1-0x0000000002CB0000-0x0000000002DB0000-memory.dmp

        memory/2044-96-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2044-97-0x00000000005F2000-0x000000000062D000-memory.dmp

        memory/2472-112-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2472-38-0x0000000000280000-0x00000000002EF000-memory.dmp

        memory/2472-130-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2472-49-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2472-37-0x00000000008E0000-0x00000000009E0000-memory.dmp

        memory/2472-70-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2472-71-0x00000000008E0000-0x00000000009E0000-memory.dmp

        memory/2472-82-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2472-93-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2472-122-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2472-117-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2472-39-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2604-137-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/2604-138-0x0000000000500000-0x0000000000600000-memory.dmp

        memory/2616-140-0x0000000002D20000-0x0000000002E20000-memory.dmp

        memory/2616-141-0x0000000000400000-0x0000000002BF5000-memory.dmp

        memory/2616-144-0x0000000000400000-0x0000000002BF5000-memory.dmp

        memory/3016-21-0x0000000000510000-0x0000000000511000-memory.dmp

        memory/3016-19-0x0000000000340000-0x00000000003AF000-memory.dmp

        memory/3016-18-0x0000000000590000-0x0000000000690000-memory.dmp

        memory/3016-36-0x0000000000590000-0x0000000000690000-memory.dmp

        memory/3016-20-0x0000000000400000-0x0000000000471000-memory.dmp

        memory/3016-34-0x0000000000400000-0x0000000000471000-memory.dmp