Analysis

  • max time kernel
    300s
  • max time network
    238s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2024 04:49

General

  • Target

    396d8d11ef9b4a8817cd4ea51de19407d9c98a9696ddf7c8a5d28f29c856a668.exe

  • Size

    172KB

  • MD5

    3b37f011e11c5cc80ecaed20de1e9cef

  • SHA1

    5d76f95fc61c279d25bbb989991d2e319212386c

  • SHA256

    396d8d11ef9b4a8817cd4ea51de19407d9c98a9696ddf7c8a5d28f29c856a668

  • SHA512

    24b4caf8117e145294ac3d0fea9cb6af2a38107c4ae72494e8ead298547c2ff68a4edc20221d6511a790d73e517f5449c3d7d9fd4364666d228c80e516ab1e01

  • SSDEEP

    3072:wAtL2vJQNJf0yslZZOAFW3K+6Pr01weTS65ihx6TN45:wOLeJQv0nG03Pr0yFh7

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.

  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 7 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\396d8d11ef9b4a8817cd4ea51de19407d9c98a9696ddf7c8a5d28f29c856a668.exe
    "C:\Users\Admin\AppData\Local\Temp\396d8d11ef9b4a8817cd4ea51de19407d9c98a9696ddf7c8a5d28f29c856a668.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3000
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {04B07B5F-CF1F-405C-B307-A89989DDF3F6} S-1-5-21-3427588347-1492276948-3422228430-1000:QVMRJQQO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Roaming\tevbsjr
      C:\Users\Admin\AppData\Roaming\tevbsjr
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2688
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2136
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:836
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:1696
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:480
  • C:\Users\Admin\AppData\Local\Temp\1610.exe
    C:\Users\Admin\AppData\Local\Temp\1610.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2604
    • 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:2556
      • 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:1508
        • 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:2668
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2668 -s 312
            5⤵
            • Loads dropped DLL
            PID:2456
      • 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:2128
        • 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:268
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 268 -s 312
            5⤵
            • Loads dropped DLL
            PID:2108
      • 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:2020
        • 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:1828
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1828 -s 312
            5⤵
            • Loads dropped DLL
            PID:1656
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:1360
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:2544
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1610.exe

    Filesize

    380KB

    MD5

    1d13f9a72c0c42ab2f1a5ee792230a53

    SHA1

    e0f1a220aa315c974be5b09d8c465df2148a05b3

    SHA256

    bbde834932f9d11fa3f1952a0a186b2c0d6c2937a16f4f811b5c709d5a340292

    SHA512

    421175066b01617e58ecb996ed882b62f9af3c8414ef8964ac30f7701ff2f0356fcc35dea5b25240b90bdbc5470092e3b8ec463eb6efdbef22c702befa5030ea

  • C:\Users\Admin\AppData\Local\Temp\427588347149

    Filesize

    63KB

    MD5

    2f872309ee843f784277ac15f0e667b5

    SHA1

    66701f25d04392fde6027a3879fde958e74a38dc

    SHA256

    c226544ad4ed32ce323c9df9f3f866b75a65f2898b563cb5c1a163b7c704a384

    SHA512

    d09f6b8cd9455c009ba5a70667494c561d173b5b32c5d2c1a0c4b7cb0829f526ba6d8e4340696649921021b9f7189c1a241d9d43b9a825261d627a56ab100711

  • C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll

    Filesize

    102KB

    MD5

    4194e9b8b694b1e9b672c36f0d868e32

    SHA1

    252f27fe313c7bf8e9f36aef0c7b676383872efb

    SHA256

    97e342fb4dbfe474ab2674682a816931bb9f56814bf13b20ff11ac1939775125

    SHA512

    f956acdec4c0255030f784d27210d59e30c3377e0a5abec915818bde8545afc3ef04a06395a2bfa5946f86cdf1088c9089bfc5064d9fd71b8137eae14f64e5c7

  • C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll

    Filesize

    1.1MB

    MD5

    f01f5bc76b9596e0cfeab8a272cba3a5

    SHA1

    19cab1291e4e518ae636f2fb3d41567e4e6e4722

    SHA256

    83ef6d2414a5c0c9cb6cfe502cb40cdda5c425ee7408a4075e32891f4599d938

    SHA512

    ccfa16f0bbcdb909446fc4d47c1732e0b1baa759d78866fcce9ac7c5c12f1299e74df03b23881f3e37627b358bc6ddd2941c9110e030f6d68dd79f67c9e39f63

  • C:\Users\Admin\AppData\Roaming\tevbsjr

    Filesize

    172KB

    MD5

    3b37f011e11c5cc80ecaed20de1e9cef

    SHA1

    5d76f95fc61c279d25bbb989991d2e319212386c

    SHA256

    396d8d11ef9b4a8817cd4ea51de19407d9c98a9696ddf7c8a5d28f29c856a668

    SHA512

    24b4caf8117e145294ac3d0fea9cb6af2a38107c4ae72494e8ead298547c2ff68a4edc20221d6511a790d73e517f5449c3d7d9fd4364666d228c80e516ab1e01

  • memory/480-186-0x00000000004F0000-0x00000000005F0000-memory.dmp

    Filesize

    1024KB

  • memory/480-185-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/836-152-0x0000000000330000-0x000000000039F000-memory.dmp

    Filesize

    444KB

  • memory/836-149-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/836-148-0x0000000000530000-0x0000000000630000-memory.dmp

    Filesize

    1024KB

  • memory/1268-50-0x0000000003AF0000-0x0000000003B06000-memory.dmp

    Filesize

    88KB

  • memory/1268-4-0x0000000002BC0000-0x0000000002BD6000-memory.dmp

    Filesize

    88KB

  • memory/1696-160-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1696-159-0x00000000008E0000-0x00000000009E0000-memory.dmp

    Filesize

    1024KB

  • memory/1696-178-0x00000000008E0000-0x00000000009E0000-memory.dmp

    Filesize

    1024KB

  • memory/2136-141-0x00000000005A0000-0x00000000006A0000-memory.dmp

    Filesize

    1024KB

  • memory/2136-133-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2136-134-0x00000000005A0000-0x00000000006A0000-memory.dmp

    Filesize

    1024KB

  • memory/2556-87-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-65-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-135-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-140-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-43-0x0000000000620000-0x0000000000720000-memory.dmp

    Filesize

    1024KB

  • memory/2556-44-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-88-0x0000000000620000-0x0000000000720000-memory.dmp

    Filesize

    1024KB

  • memory/2556-99-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-111-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-179-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-126-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2556-170-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2604-40-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2604-42-0x0000000000250000-0x00000000002BF000-memory.dmp

    Filesize

    444KB

  • memory/2604-27-0x00000000005A0000-0x00000000005A1000-memory.dmp

    Filesize

    4KB

  • memory/2604-26-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2604-25-0x0000000000250000-0x00000000002BF000-memory.dmp

    Filesize

    444KB

  • memory/2604-24-0x00000000005D0000-0x00000000006D0000-memory.dmp

    Filesize

    1024KB

  • memory/2688-22-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/2688-53-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2688-21-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

  • memory/2688-23-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3000-5-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3000-1-0x00000000004B0000-0x00000000005B0000-memory.dmp

    Filesize

    1024KB

  • memory/3000-3-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3000-2-0x00000000002A0000-0x00000000002AB000-memory.dmp

    Filesize

    44KB