Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2023, 08:31

General

  • Target

    1_Рахунок_фактура_вiд_18_08_2023р_Помилкове_зарахування.pdf.exe

  • Size

    624KB

  • MD5

    f670c45794880db143f04af876c1ea26

  • SHA1

    73536f8475975b3bf6f973de16f2d9032fd787f9

  • SHA256

    442b6485fe11df3c6c52f5fbee5285e0c3f3008f76a0e01a1f471384d0540fea

  • SHA512

    b5456d08406a5c7e587e617d27e146084858fa39e8f611e2371026ab2b1773b34988babad231ab5e1e1a9aabc45200066bcef0edfbe9907f14310e5d9b83534c

  • SSDEEP

    12288:3RZ+IoG/n9IQxW3OBseDaybr4Sey5Leovd1fRbhjxMRtWQZPu7cL/RF+:/2G/nvxW3WUEr0y5L3CRtWWUcL/RF+

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://privathostel.ru/

http://metallergroup.ru/

http://infomailforyoumak.ru/

http://coinmakopenarea.su/

http://internetcygane.ru/

http://zallesman.ru/

http://maxteroper.ru/

http://kilomunara.com/

http://napropertyhub.eu/

http://nafillimonilini.net/

http://goodlenuxilam.site/

http://jimloamfilling.online/

http://vertusupportjk.org/

http://liverpulapp.ru/

http://zarabovannyok.eu/

http://cityofuganda.ug/

http://hillespostelnm.eu/

http://humanitarydp.ru/

http://zaikaopentra.com.ru/

http://zaikaopentra-com-ug.su/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1_Рахунок_фактура_вiд_18_08_2023р_Помилкове_зарахування.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\1_Рахунок_фактура_вiд_18_08_2023р_Помилкове_зарахування.pdf.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3316
    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Payment_23_750_00_UAH.pdf"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4036
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
        3⤵
          PID:4304
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
          3⤵
            PID:4792
          • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
            "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1848
            • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
              "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0E257EF2A359F7E24EBCBD56AA854195 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
              4⤵
                PID:3100
              • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=45D3878AC99B7589B646BC95F2688C6D --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=45D3878AC99B7589B646BC95F2688C6D --renderer-client-id=2 --mojo-platform-channel-handle=1792 --allow-no-sandbox-job /prefetch:1
                4⤵
                  PID:2964
                • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=295FA627A3E8836666C227D45B113E95 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=295FA627A3E8836666C227D45B113E95 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
                  4⤵
                    PID:3256
                  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=09D73E77A1C01CDCADF98A9258413C40 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    4⤵
                      PID:3336
                    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=FCC1EC324E08CCC10FF2BE01C42A99BB --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                      4⤵
                        PID:4784
                      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5295A04A194392AFAE88936ED16E6129 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                        4⤵
                          PID:680
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Payment_9312_0580_6944_3255.bat" "
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:5048
                      • C:\Users\Admin\AppData\Local\Temp\Pax_18_08_23.jpg
                        Pax_18_08_23.jpg
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious behavior: MapViewOfSection
                        PID:4788
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:60

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                      Filesize

                      36KB

                      MD5

                      b30d3becc8731792523d599d949e63f5

                      SHA1

                      19350257e42d7aee17fb3bf139a9d3adb330fad4

                      SHA256

                      b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

                      SHA512

                      523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

                    • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                      Filesize

                      56KB

                      MD5

                      752a1f26b18748311b691c7d8fc20633

                      SHA1

                      c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

                      SHA256

                      111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

                      SHA512

                      a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

                    • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                      Filesize

                      64KB

                      MD5

                      3e2e8b162366fb12c0e6ff8cf521dab6

                      SHA1

                      3bbdda171a5acbbc960994543c4f781f5a9e84da

                      SHA256

                      5cced35171f3997d61db2636c579cc072a04c4ff36440b88b98512cb4828658e

                      SHA512

                      970bc4ee273f730c4c16012a775c3e452791cc59fa66147369be3294e97769ae8a86134cf1498763c4cda73144259117f83a7d0cda57aa13a8d740ec3d2b1533

                    • C:\Users\Admin\AppData\Local\Temp\Payment_23_750_00_UAH.pdf

                      Filesize

                      346KB

                      MD5

                      f32ec06fd0ff99eb4886c314eb715c8f

                      SHA1

                      b7b54dfd4be90f76b325fd92765a600d7bfd45cc

                      SHA256

                      896b510e9409232b53a6409a723c32468a83b7dfcdf1b0202dc1193f522152f5

                      SHA512

                      d3f344951b4ab3c3ca073b4f3fa928e8b3a126cd6582b2bfa85476fb27e5162c02cdf2fc31b1a0bbab8b434004b4a7cdaa5d4701e9c38a7b149d3ac0fe83377f

                    • C:\Users\Admin\AppData\Local\Temp\Payment_9312_0580_6944_3255.bat

                      Filesize

                      22B

                      MD5

                      7b4188552f93a0961fc2f899158997cb

                      SHA1

                      40cc92d633cd6b05d497768599dc0ea57c2f735e

                      SHA256

                      5faa778677abf6b628c897d5059484a610178db2c085125a498ed9a313504c4e

                      SHA512

                      ecf7276316734b8d8776a1bd7255d71ac8aaa20292ec6f212b4bcf8da94e8c73ef36577be45a8081d489fde92ce8589caeccfb4c26f85b94a0a35f06f33e2913

                    • memory/3180-147-0x00000000025D0000-0x00000000025E6000-memory.dmp

                      Filesize

                      88KB

                    • memory/4788-143-0x0000000002300000-0x0000000002400000-memory.dmp

                      Filesize

                      1024KB

                    • memory/4788-144-0x0000000002430000-0x000000000243C000-memory.dmp

                      Filesize

                      48KB

                    • memory/4788-145-0x0000000000400000-0x00000000022EB000-memory.dmp

                      Filesize

                      30.9MB

                    • memory/4788-146-0x0000000000400000-0x00000000022EB000-memory.dmp

                      Filesize

                      30.9MB

                    • memory/4788-149-0x0000000000400000-0x00000000022EB000-memory.dmp

                      Filesize

                      30.9MB

                    • memory/4788-151-0x0000000002430000-0x000000000243C000-memory.dmp

                      Filesize

                      48KB