Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2024, 13:31

General

  • Target
    bb42b12cdcf63fc557600c06eece3855550af6c016debc06d6cd6c9a22d662e4.exe
  • Size 251KB
  • Sample240207-qsdnesaahl
  • SHA256 bb42b12cdcf63fc557600c06eece3855550af6c016debc06d6cd6c9a22d662e4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub3

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://gxutc2c.com/tmp/index.php

  • http://proekt8.ru/tmp/index.php

  • http://mth.com.ua/tmp/index.php

  • http://pirateking.online/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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 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).

  • Program crash 32 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 33 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\bb42b12cdcf63fc557600c06eece3855550af6c016debc06d6cd6c9a22d662e4.exe
    "C:\Users\Admin\AppData\Local\Temp\bb42b12cdcf63fc557600c06eece3855550af6c016debc06d6cd6c9a22d662e4.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1704
  • C:\Users\Admin\AppData\Local\Temp\402.exe
    C:\Users\Admin\AppData\Local\Temp\402.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 584
      2⤵
      • Program crash
      PID:2736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 668
      2⤵
      • Program crash
      PID:2304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 736
      2⤵
      • Program crash
      PID:224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 840
      2⤵
      • Program crash
      PID:4180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 736
      2⤵
      • Program crash
      PID:3124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 736
      2⤵
      • Program crash
      PID:4276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 1100
      2⤵
      • Program crash
      PID:4556
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 1132
      2⤵
      • Program crash
      PID:4792
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 1136
      2⤵
      • Program crash
      PID:1920
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 608
        3⤵
        • Program crash
        PID:1832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 708
        3⤵
        • Program crash
        PID:2916
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 836
        3⤵
        • Program crash
        PID:3032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 976
        3⤵
        • Program crash
        PID:3504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 968
        3⤵
        • Program crash
        PID:4408
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 968
        3⤵
        • Program crash
        PID:1776
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1028
        3⤵
        • Program crash
        PID:4000
      • 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:1440
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 916
        3⤵
        • Program crash
        PID:4416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 652
        3⤵
        • Program crash
        PID:4308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 916
        3⤵
        • Program crash
        PID:1456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1216
        3⤵
        • Program crash
        PID:3708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 676
        3⤵
        • Program crash
        PID:5112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1220
        3⤵
        • Program crash
        PID:220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1228
        3⤵
        • Program crash
        PID:1308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1280
        3⤵
        • Program crash
        PID:2032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 640
        3⤵
        • Program crash
        PID:3280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1296
        3⤵
        • Program crash
        PID:4168
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1536
        3⤵
        • Program crash
        PID:3696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1600
        3⤵
        • Program crash
        PID:4676
      • 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:2160
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          PID:3512
      • 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:2168
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          PID:1268
      • 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:4728
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          PID:3292
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2564
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2044
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:4684
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1276
        3⤵
        • Program crash
        PID:1476
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 976
        3⤵
        • Program crash
        PID:1692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 1264
      2⤵
      • Program crash
      PID:4444
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4112 -ip 4112
    1⤵
      PID:3064
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4112 -ip 4112
      1⤵
        PID:1220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4112 -ip 4112
        1⤵
          PID:3608
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4112 -ip 4112
          1⤵
            PID:4168
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4112 -ip 4112
            1⤵
              PID:5104
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4112 -ip 4112
              1⤵
                PID:1232
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4112 -ip 4112
                1⤵
                  PID:2732
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4112 -ip 4112
                  1⤵
                    PID:2688
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4112 -ip 4112
                    1⤵
                      PID:3724
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4112 -ip 4112
                      1⤵
                        PID:716
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3692 -ip 3692
                        1⤵
                          PID:2168
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3692 -ip 3692
                          1⤵
                            PID:4084
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3692 -ip 3692
                            1⤵
                              PID:1228
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 3692 -ip 3692
                              1⤵
                                PID:4672
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 3692 -ip 3692
                                1⤵
                                  PID:3612
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3692 -ip 3692
                                  1⤵
                                    PID:380
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 3692 -ip 3692
                                    1⤵
                                      PID:2988
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 3692 -ip 3692
                                      1⤵
                                        PID:3272
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3692 -ip 3692
                                        1⤵
                                          PID:4184
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 3692 -ip 3692
                                          1⤵
                                            PID:1296
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 3692 -ip 3692
                                            1⤵
                                              PID:5024
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 3692 -ip 3692
                                              1⤵
                                                PID:1916
                                              • C:\Windows\SysWOW64\WerFault.exe
                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 3692 -ip 3692
                                                1⤵
                                                  PID:4984
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 3692 -ip 3692
                                                  1⤵
                                                    PID:3168
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3692 -ip 3692
                                                    1⤵
                                                      PID:1304
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 3692 -ip 3692
                                                      1⤵
                                                        PID:4452
                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3692 -ip 3692
                                                        1⤵
                                                          PID:4996
                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 3692 -ip 3692
                                                          1⤵
                                                            PID:3992
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 3692 -ip 3692
                                                            1⤵
                                                              PID:1232
                                                            • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                                                              C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                                                              1⤵
                                                              • Executes dropped EXE
                                                              PID:1048
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 436
                                                                2⤵
                                                                • Program crash
                                                                PID:3384
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 624 -p 1048 -ip 1048
                                                              1⤵
                                                                PID:4988
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 3692 -ip 3692
                                                                1⤵
                                                                  PID:4720
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3692 -ip 3692
                                                                  1⤵
                                                                    PID:2840

                                                                  Network

                                                                        MITRE ATT&CK Enterprise v15

                                                                        Replay Monitor

                                                                        Loading Replay Monitor...

                                                                        Downloads

                                                                        402.exe

                                                                        • Path C:\Users\Admin\AppData\Local\Temp\402.exe
                                                                        • Size 391KB
                                                                        • SHA256 1f94d4dbccf0388a7db824e8d4aa947cf41019ffd2202628ec9d1b65cea7787f
                                                                        • MD5 SHA1 SHA512 SSDEEP

                                                                        969412972279

                                                                        • Path C:\Users\Admin\AppData\Local\Temp\969412972279
                                                                        • Size 74KB
                                                                        • SHA256 c5bdf7ec966d5b85048c0179369c134289f67e620f1b1a91fc889e3c2c1189fc
                                                                        • 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

                                                                        memory/1048-89-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/1048-88-0x0000000000640000-0x0000000000740000-memory.dmp

                                                                        memory/1704-1-0x0000000000400000-0x0000000002B17000-memory.dmp

                                                                        memory/1704-3-0x0000000000400000-0x0000000002B17000-memory.dmp

                                                                        memory/1704-6-0x0000000002C80000-0x0000000002C8B000-memory.dmp

                                                                        memory/1704-0-0x0000000002C80000-0x0000000002C8B000-memory.dmp

                                                                        memory/3520-2-0x0000000001540000-0x0000000001556000-memory.dmp

                                                                        memory/3692-67-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/3692-85-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/3692-41-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/3692-36-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/3692-53-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/3692-94-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/3692-63-0x00000000005D0000-0x00000000006D0000-memory.dmp

                                                                        memory/3692-35-0x00000000005D0000-0x00000000006D0000-memory.dmp

                                                                        memory/3692-70-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/3692-73-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/3692-92-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/4112-33-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/4112-16-0x0000000000600000-0x000000000066F000-memory.dmp

                                                                        memory/4112-15-0x00000000004F0000-0x00000000005F0000-memory.dmp

                                                                        memory/4112-17-0x0000000000400000-0x0000000000472000-memory.dmp

                                                                        memory/4112-34-0x0000000000600000-0x000000000066F000-memory.dmp