Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-02-2024 07:30

General

  • Target

    3be6dbda5b7e9826fe8c4793051b2ac1e9ddd1e3cc7e56e5d4a9c612414a5daf.exe

  • Size

    248KB

  • MD5

    cf2764813e89728cd7c18b6cd78327b9

  • SHA1

    6c6c48fb5c7f2f19fddeac82d63bdf67d6ee474e

  • SHA256

    3be6dbda5b7e9826fe8c4793051b2ac1e9ddd1e3cc7e56e5d4a9c612414a5daf

  • SHA512

    362a220086a3510b18eecc8034d41e6b1c1fb24415d3da972aac0f94e154e27c40252b49e5b64fa090ffd50c339ee5d2f24da9743fdbd96d01fc569546f7c2d8

  • SSDEEP

    6144:uZ/hMtxJK3sjADoUXdhhwjqVJojKr1WFAko:U/hMtx83sjA8UXJaqVJDrX

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
  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 11 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 24 IoCs
  • Suspicious use of WriteProcessMemory 9 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\3be6dbda5b7e9826fe8c4793051b2ac1e9ddd1e3cc7e56e5d4a9c612414a5daf.exe
    "C:\Users\Admin\AppData\Local\Temp\3be6dbda5b7e9826fe8c4793051b2ac1e9ddd1e3cc7e56e5d4a9c612414a5daf.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4220
  • C:\Users\Admin\AppData\Local\Temp\C0C0.exe
    C:\Users\Admin\AppData\Local\Temp\C0C0.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 596
      2⤵
      • Program crash
      PID:1000
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 592
      2⤵
      • Program crash
      PID:2308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 724
      2⤵
      • Program crash
      PID:5092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 760
      2⤵
      • Program crash
      PID:4024
    • 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:4120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 616
        3⤵
        • Program crash
        PID:2228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 728
        3⤵
        • Program crash
        PID:1440
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 812
        3⤵
        • Program crash
        PID:3004
      • 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:1812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 916
        3⤵
        • Program crash
        PID:3892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 1380
      2⤵
      • Program crash
      PID:1568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 736 -ip 736
    1⤵
      PID:4924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 736 -ip 736
      1⤵
        PID:4352
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 736 -ip 736
        1⤵
          PID:2084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 736 -ip 736
          1⤵
            PID:1752
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 736 -ip 736
            1⤵
              PID:1536
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4120 -ip 4120
              1⤵
                PID:624
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4120 -ip 4120
                1⤵
                  PID:1832
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4120 -ip 4120
                  1⤵
                    PID:1204
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4120 -ip 4120
                    1⤵
                      PID:2964
                    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                      1⤵
                      • Executes dropped EXE
                      PID:4964
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 444
                        2⤵
                        • Program crash
                        PID:3116
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4964 -ip 4964
                      1⤵
                        PID:5088
                      • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                        C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                        1⤵
                        • Executes dropped EXE
                        PID:1732
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 444
                          2⤵
                          • Program crash
                          PID:4580
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1732 -ip 1732
                        1⤵
                          PID:4528

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\C0C0.exe

                          Filesize

                          361KB

                          MD5

                          b6c1df2e721d3088438c06671de3127a

                          SHA1

                          2a95143e66673841dc6338bf1f09d9aceedc1bf5

                          SHA256

                          5bc9960a7aca2d039602f7d6a4828ae277665396974dd1227e414c1dc3f2cb69

                          SHA512

                          602df6897a406fee67957246096f6820e4a79fb8511f644e94ef17c30cb3bfbb124998849145997d10a841c95d409c349c5c81f66c0c73c277c07137ce0d2a4a

                        • memory/736-26-0x0000000000400000-0x0000000000850000-memory.dmp

                          Filesize

                          4.3MB

                        • memory/736-27-0x00000000008E0000-0x000000000094F000-memory.dmp

                          Filesize

                          444KB

                        • memory/736-16-0x0000000000980000-0x0000000000A80000-memory.dmp

                          Filesize

                          1024KB

                        • memory/736-17-0x00000000008E0000-0x000000000094F000-memory.dmp

                          Filesize

                          444KB

                        • memory/736-18-0x0000000000400000-0x0000000000850000-memory.dmp

                          Filesize

                          4.3MB

                        • memory/1732-50-0x0000000000400000-0x0000000000850000-memory.dmp

                          Filesize

                          4.3MB

                        • memory/1732-49-0x00000000009D0000-0x0000000000AD0000-memory.dmp

                          Filesize

                          1024KB

                        • memory/3412-4-0x0000000001390000-0x00000000013A6000-memory.dmp

                          Filesize

                          88KB

                        • memory/4120-30-0x0000000000400000-0x0000000000850000-memory.dmp

                          Filesize

                          4.3MB

                        • memory/4120-29-0x0000000000870000-0x0000000000970000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4120-31-0x0000000000400000-0x0000000000850000-memory.dmp

                          Filesize

                          4.3MB

                        • memory/4120-32-0x0000000000870000-0x0000000000970000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4220-5-0x0000000000400000-0x0000000002BE9000-memory.dmp

                          Filesize

                          39.9MB

                        • memory/4220-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4220-3-0x0000000000400000-0x0000000002BE9000-memory.dmp

                          Filesize

                          39.9MB

                        • memory/4220-2-0x0000000002CC0000-0x0000000002CCB000-memory.dmp

                          Filesize

                          44KB

                        • memory/4964-38-0x0000000000B90000-0x0000000000C90000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4964-39-0x0000000000400000-0x0000000000850000-memory.dmp

                          Filesize

                          4.3MB