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
    17-02-2024 05:12

General

  • Target

    a78d865a3b1900279adc9b6ca398c4e46710c552694b2c0bca30280d377019d0.exe

  • Size

    206KB

  • MD5

    2f8702ecc114c719d255666b58ffbcce

  • SHA1

    22d9c9a6b8bd9606dcaa6476bf050036f161bd9a

  • SHA256

    a78d865a3b1900279adc9b6ca398c4e46710c552694b2c0bca30280d377019d0

  • SHA512

    6acd34c1caba5117632ba67340c06d8a7959433b01f4c37e290d2d18ba9cff4b69f1192e4bd53105828e415254d9a03f87c522caae9d932e4ab85fd4eaef8de1

  • SSDEEP

    3072:a0caM1j1m/5CrL7IlJzC+27iUjk9yoDF/jd/NTXja4x:a0cft8fHzCjoDF5pu4

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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 10 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 22 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\a78d865a3b1900279adc9b6ca398c4e46710c552694b2c0bca30280d377019d0.exe
    "C:\Users\Admin\AppData\Local\Temp\a78d865a3b1900279adc9b6ca398c4e46710c552694b2c0bca30280d377019d0.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2532
  • C:\Users\Admin\AppData\Local\Temp\E213.exe
    C:\Users\Admin\AppData\Local\Temp\E213.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 600
      2⤵
      • Program crash
      PID:3688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 596
      2⤵
      • Program crash
      PID:4628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 696
      2⤵
      • Program crash
      PID:1520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 748
      2⤵
      • Program crash
      PID:1112
    • 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:4828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 616
        3⤵
        • Program crash
        PID:1700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 760
        3⤵
        • Program crash
        PID:1608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 828
        3⤵
        • Program crash
        PID:4328
      • 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:1548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 956
        3⤵
        • Program crash
        PID:3740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 1240
      2⤵
      • Program crash
      PID:3696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2272 -ip 2272
    1⤵
      PID:2268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2272 -ip 2272
      1⤵
        PID:4508
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2272 -ip 2272
        1⤵
          PID:1868
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2272 -ip 2272
          1⤵
            PID:2504
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2272 -ip 2272
            1⤵
              PID:1240
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4828 -ip 4828
              1⤵
                PID:2616
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4828 -ip 4828
                1⤵
                  PID:820
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4828 -ip 4828
                  1⤵
                    PID:3440
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4828 -ip 4828
                    1⤵
                      PID:3468
                    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
                      1⤵
                      • Executes dropped EXE
                      PID:1660
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 444
                        2⤵
                        • Program crash
                        PID:2772
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1660 -ip 1660
                      1⤵
                        PID:3540

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\E213.exe

                        Filesize

                        361KB

                        MD5

                        b6c1df2e721d3088438c06671de3127a

                        SHA1

                        2a95143e66673841dc6338bf1f09d9aceedc1bf5

                        SHA256

                        5bc9960a7aca2d039602f7d6a4828ae277665396974dd1227e414c1dc3f2cb69

                        SHA512

                        602df6897a406fee67957246096f6820e4a79fb8511f644e94ef17c30cb3bfbb124998849145997d10a841c95d409c349c5c81f66c0c73c277c07137ce0d2a4a

                      • memory/1660-41-0x0000000000400000-0x0000000000850000-memory.dmp

                        Filesize

                        4.3MB

                      • memory/1660-40-0x0000000000860000-0x0000000000960000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2272-18-0x0000000000400000-0x0000000000850000-memory.dmp

                        Filesize

                        4.3MB

                      • memory/2272-26-0x0000000000400000-0x0000000000850000-memory.dmp

                        Filesize

                        4.3MB

                      • memory/2272-27-0x00000000024D0000-0x000000000253F000-memory.dmp

                        Filesize

                        444KB

                      • memory/2272-16-0x0000000000A00000-0x0000000000B00000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2272-17-0x00000000024D0000-0x000000000253F000-memory.dmp

                        Filesize

                        444KB

                      • memory/2532-5-0x0000000000400000-0x000000000082A000-memory.dmp

                        Filesize

                        4.2MB

                      • memory/2532-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2532-3-0x0000000000400000-0x000000000082A000-memory.dmp

                        Filesize

                        4.2MB

                      • memory/2532-2-0x0000000000990000-0x000000000099B000-memory.dmp

                        Filesize

                        44KB

                      • memory/3428-4-0x00000000027D0000-0x00000000027E6000-memory.dmp

                        Filesize

                        88KB

                      • memory/4828-29-0x0000000000910000-0x0000000000A10000-memory.dmp

                        Filesize

                        1024KB

                      • memory/4828-30-0x0000000000400000-0x0000000000850000-memory.dmp

                        Filesize

                        4.3MB

                      • memory/4828-31-0x0000000000400000-0x0000000000850000-memory.dmp

                        Filesize

                        4.3MB

                      • memory/4828-33-0x0000000000910000-0x0000000000A10000-memory.dmp

                        Filesize

                        1024KB