Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2024, 18:07

General

  • Target
    1a1dfe0fb4917f9f6c0585af695ffc45.exe
  • Size 244KB
  • Sample240208-wqa3eaae99
  • SHA256 ff0500a380008b913b550a84c7ddcc17f4a8c07b6778f24e7dc333988b1fe336
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub1

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
  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 34 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 24 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\1a1dfe0fb4917f9f6c0585af695ffc45.exe
    "C:\Users\Admin\AppData\Local\Temp\1a1dfe0fb4917f9f6c0585af695ffc45.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1184
  • C:\Users\Admin\AppData\Local\Temp\FB38.exe
    C:\Users\Admin\AppData\Local\Temp\FB38.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 584
      2⤵
      • Program crash
      PID:3020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 632
      2⤵
      • Program crash
      PID:1260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 732
      2⤵
      • Program crash
      PID:724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 820
      2⤵
      • Program crash
      PID:2476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 852
      2⤵
      • Program crash
      PID:3784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 840
      2⤵
      • Program crash
      PID:2580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 1100
      2⤵
      • Program crash
      PID:4232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 1124
      2⤵
      • Program crash
      PID:3224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 1244
      2⤵
      • Program crash
      PID:1064
    • 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:1344
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 604
        3⤵
        • Program crash
        PID:216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 816
        3⤵
        • Program crash
        PID:888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 872
        3⤵
        • Program crash
        PID:1040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1012
        3⤵
        • Program crash
        PID:2840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 872
        3⤵
        • Program crash
        PID:3592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 992
        3⤵
        • Program crash
        PID:1168
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 988
        3⤵
        • Program crash
        PID:860
      • 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:4880
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 936
        3⤵
        • Program crash
        PID:2704
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1124
        3⤵
        • Program crash
        PID:5104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 640
        3⤵
        • Program crash
        PID:3920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1216
        3⤵
        • Program crash
        PID:4332
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1232
        3⤵
        • Program crash
        PID:2116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1248
        3⤵
        • Program crash
        PID:2972
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1272
        3⤵
        • Program crash
        PID:4032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1280
        3⤵
        • Program crash
        PID:4184
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1316
        3⤵
        • Program crash
        PID:2948
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1312
        3⤵
        • Program crash
        PID:492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1548
        3⤵
        • Program crash
        PID:2392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1692
        3⤵
        • Program crash
        PID:4864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1688
        3⤵
        • Program crash
        PID:4584
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1032
        3⤵
        • Program crash
        PID:4592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 640
        3⤵
        • Program crash
        PID:4292
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
        3⤵
          PID:444
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          3⤵
            PID:4028
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
            3⤵
            • Loads dropped DLL
            PID:860
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
            3⤵
            • Loads dropped DLL
            PID:2548
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
            3⤵
            • Loads dropped DLL
            PID:4652
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1236
            3⤵
            • Program crash
            PID:4480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 1648
          2⤵
          • Program crash
          PID:5052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3408 -ip 3408
        1⤵
          PID:1300
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3408 -ip 3408
          1⤵
            PID:4800
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3408 -ip 3408
            1⤵
              PID:2848
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3408 -ip 3408
              1⤵
                PID:4668
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3408 -ip 3408
                1⤵
                  PID:3052
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3408 -ip 3408
                  1⤵
                    PID:4584
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3408 -ip 3408
                    1⤵
                      PID:3140
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3408 -ip 3408
                      1⤵
                        PID:4748
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3408 -ip 3408
                        1⤵
                          PID:2904
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3408 -ip 3408
                          1⤵
                            PID:5032
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1344 -ip 1344
                            1⤵
                              PID:4932
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1344 -ip 1344
                              1⤵
                                PID:4212
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1344 -ip 1344
                                1⤵
                                  PID:4436
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1344 -ip 1344
                                  1⤵
                                    PID:544
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1344 -ip 1344
                                    1⤵
                                      PID:536
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1344 -ip 1344
                                      1⤵
                                        PID:792
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1344 -ip 1344
                                        1⤵
                                          PID:2388
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1344 -ip 1344
                                          1⤵
                                            PID:60
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1344 -ip 1344
                                            1⤵
                                              PID:2320
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1344 -ip 1344
                                              1⤵
                                                PID:4024
                                              • C:\Windows\SysWOW64\WerFault.exe
                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1344 -ip 1344
                                                1⤵
                                                  PID:2784
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1344 -ip 1344
                                                  1⤵
                                                    PID:2148
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1344 -ip 1344
                                                    1⤵
                                                      PID:1516
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 1344 -ip 1344
                                                      1⤵
                                                        PID:4164
                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1344 -ip 1344
                                                        1⤵
                                                          PID:4124
                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1344 -ip 1344
                                                          1⤵
                                                            PID:1468
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1344 -ip 1344
                                                            1⤵
                                                              PID:1668
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1344 -ip 1344
                                                              1⤵
                                                                PID:2752
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1344 -ip 1344
                                                                1⤵
                                                                  PID:4384
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1344 -ip 1344
                                                                  1⤵
                                                                    PID:384
                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1344 -ip 1344
                                                                    1⤵
                                                                      PID:4412
                                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1344 -ip 1344
                                                                      1⤵
                                                                        PID:1280
                                                                      • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                                                                        C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                                                                        1⤵
                                                                        • Executes dropped EXE
                                                                        PID:1976
                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                          C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 432
                                                                          2⤵
                                                                          • Program crash
                                                                          PID:3260
                                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1976 -ip 1976
                                                                        1⤵
                                                                          PID:3320
                                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1344 -ip 1344
                                                                          1⤵
                                                                            PID:4012

                                                                          Network

                                                                                MITRE ATT&CK Enterprise v15

                                                                                Replay Monitor

                                                                                Loading Replay Monitor...

                                                                                Downloads

                                                                                356085813370

                                                                                • Path C:\Users\Admin\AppData\Local\Temp\356085813370
                                                                                • Size 74KB
                                                                                • SHA256 81bcea8b6fc3799b17c20b740cdfaece966056607b3287790b0b82241c8ffb9e
                                                                                • MD5 SHA1 SHA512 SSDEEP

                                                                                FB38.exe

                                                                                • Path C:\Users\Admin\AppData\Local\Temp\FB38.exe
                                                                                • Size 349KB
                                                                                • SHA256 6060ce8f51a10ae5ebc3b2c8dbdccca2fe30e626652f170bca0a1b2256f5464b
                                                                                • 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 66KB
                                                                                • SHA256 3ba0df6fcda86029371ccf65eb0504b532ea3858b26bdf7dedbbefb5b896db18
                                                                                • MD5 SHA1 SHA512 SSDEEP

                                                                                memory/1184-3-0x00000000005A0000-0x00000000005AB000-memory.dmp

                                                                                memory/1184-5-0x0000000000400000-0x0000000000449000-memory.dmp

                                                                                memory/1184-1-0x0000000000700000-0x0000000000800000-memory.dmp

                                                                                memory/1184-2-0x0000000000400000-0x0000000000449000-memory.dmp

                                                                                memory/1344-35-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1344-34-0x0000000002D00000-0x0000000002E00000-memory.dmp

                                                                                memory/1344-39-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1344-87-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1344-43-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1344-89-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1344-55-0x0000000002D00000-0x0000000002E00000-memory.dmp

                                                                                memory/1344-56-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1344-91-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1344-68-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1344-69-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/1976-72-0x0000000002D80000-0x0000000002E80000-memory.dmp

                                                                                memory/1976-73-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/3408-16-0x0000000002CB0000-0x0000000002DB0000-memory.dmp

                                                                                memory/3408-37-0x0000000004850000-0x00000000048BF000-memory.dmp

                                                                                memory/3408-36-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/3408-18-0x0000000000400000-0x0000000002C04000-memory.dmp

                                                                                memory/3408-17-0x0000000004850000-0x00000000048BF000-memory.dmp

                                                                                memory/3516-4-0x0000000002B30000-0x0000000002B46000-memory.dmp