Overview

overview

10

Static

static

8

7z2201-x64.exe

windows10-2004-x64

10

Firefox Se....4.exe

windows10-2004-x64

8

SumatraPDF...ll.exe

windows10-2004-x64

8

TB_Free_In...00.exe

windows10-2004-x64

8

XnViewMP-win-x64.exe

windows10-2004-x64

8

avast_one_...us.exe

windows10-2004-x64

10

torbrowser...US.exe

windows10-2004-x64

8

vlc-3.0.17...32.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    158s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-de
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-delocale:de-deos:windows10-2004-x64systemwindows
  • submitted
    03-11-2022 16:57

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Report Analysis Logs

General

  • Target

    XnViewMP-win-x64.exe

  • Size

    67.1MB

  • MD5

    d4b3a362d7cc155027e24bd613147de5

  • SHA1

    496fcd1b9384301cb182b308af741ea950cd0b7d

  • SHA256

    2c272ab3bff4e10f12e2a1644be5526ebf98817f76762f5305eb8400edb25c3b

  • SHA512

    0ea612d43097eeb3c01947c5c9532318e95448adbb9e78a8a87165a05a284ebccb4ce3742897e4adb8139839c177e6dcb76662dd3a18d31603b5bfbb6811b978

  • SSDEEP

    1572864:ywAYNNlYmWK8FFHBbXcOaGh/P0Khw4JPIe1:PNdCbMM/PhhUe1

Score
8/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XnViewMP-win-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\XnViewMP-win-x64.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Users\Admin\AppData\Local\Temp\is-63L72.tmp\XnViewMP-win-x64.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-63L72.tmp\XnViewMP-win-x64.tmp" /SL5="$801FC,69459733,941568,C:\Users\Admin\AppData\Local\Temp\XnViewMP-win-x64.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.xnview.com/xnview_install.html
        3⤵
        • Adds Run key to start application
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb3b4d46f8,0x7ffb3b4d4708,0x7ffb3b4d4718
          4⤵
            PID:2320
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2196 /prefetch:2
            4⤵
              PID:4444
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --lang=de --service-sandbox-type=none --mojo-platform-channel-handle=2252 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1592
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --lang=de --service-sandbox-type=utility --mojo-platform-channel-handle=2748 /prefetch:8
              4⤵
                PID:3272
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --lang=de --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3080 /prefetch:1
                4⤵
                  PID:2284
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --lang=de --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3092 /prefetch:1
                  4⤵
                    PID:2596
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --lang=de --service-sandbox-type=service --mojo-platform-channel-handle=5204 /prefetch:8
                    4⤵
                      PID:3196
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --disable-gpu-compositing --lang=de --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5364 /prefetch:1
                      4⤵
                        PID:3752
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --disable-gpu-compositing --lang=de --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5500 /prefetch:1
                        4⤵
                          PID:2456
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --disable-gpu-compositing --lang=de --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5872 /prefetch:1
                          4⤵
                            PID:4316
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --disable-gpu-compositing --lang=de --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5464 /prefetch:1
                            4⤵
                              PID:4760
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --disable-gpu-compositing --lang=de --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5616 /prefetch:1
                              4⤵
                                PID:912
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --lang=de --service-sandbox-type=service --mojo-platform-channel-handle=6120 /prefetch:8
                                4⤵
                                  PID:1680
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --disable-gpu-compositing --lang=de --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5892 /prefetch:1
                                  4⤵
                                    PID:1784
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --disable-gpu-compositing --lang=de --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5656 /prefetch:1
                                    4⤵
                                      PID:4176
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --lang=de --service-sandbox-type=none --mojo-platform-channel-handle=6732 /prefetch:8
                                      4⤵
                                        PID:4436
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                                        4⤵
                                        • Drops file in Program Files directory
                                        PID:5112
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff6aa825460,0x7ff6aa825470,0x7ff6aa825480
                                          5⤵
                                            PID:1208
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2144,17322131336440280307,4103978839340156113,131072 --lang=de --service-sandbox-type=none --mojo-platform-channel-handle=6732 /prefetch:8
                                          4⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:2456
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:5108

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\is-63L72.tmp\XnViewMP-win-x64.tmp
                                      Filesize

                                      2.6MB

                                      MD5

                                      6b4c95df1cc881ec1e6a2b764ba360ec

                                      SHA1

                                      e285e696015c837aa905f3aca19c8576849642c9

                                      SHA256

                                      33e8bb1c4b2c3e8609f54258ee2f28bf68279dccae48db1515eea0571e6a0a55

                                      SHA512

                                      8d1586d92a836af6dc33b602f48add219835953838ed0214a93fdd0e9cab0ac3ee3b0a0f958d86b257028814cf2646713d4b551d561a94e7b38f0d1a7c6b21a0

                                      Download Submit

                                    • C:\Users\Admin\AppData\Local\Temp\is-63L72.tmp\XnViewMP-win-x64.tmp
                                      Filesize

                                      2.6MB

                                      MD5

                                      6b4c95df1cc881ec1e6a2b764ba360ec

                                      SHA1

                                      e285e696015c837aa905f3aca19c8576849642c9

                                      SHA256

                                      33e8bb1c4b2c3e8609f54258ee2f28bf68279dccae48db1515eea0571e6a0a55

                                      SHA512

                                      8d1586d92a836af6dc33b602f48add219835953838ed0214a93fdd0e9cab0ac3ee3b0a0f958d86b257028814cf2646713d4b551d561a94e7b38f0d1a7c6b21a0

                                      Download Submit

                                    • \??\pipe\LOCAL\crashpad_5048_RBUNDGLTMIKOWYPU
                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                      Download Submit

                                    • memory/660-134-0x0000000000400000-0x00000000004F3000-memory.dmp

                                      Filesize

                                      972KB

                                      Download

                                    • memory/660-137-0x0000000000400000-0x00000000004F3000-memory.dmp

                                      Filesize

                                      972KB

                                      Download

                                    • memory/660-132-0x0000000000400000-0x00000000004F3000-memory.dmp

                                      Filesize

                                      972KB

                                      Download

                                    • memory/660-141-0x0000000000400000-0x00000000004F3000-memory.dmp

                                      Filesize

                                      972KB

                                      Download

                                    • memory/912-163-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/1208-171-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/1592-144-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/1680-165-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/1784-167-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/2284-149-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/2320-140-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/2456-157-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/2456-172-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/2520-135-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/2596-151-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/3196-153-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/3272-147-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/3752-155-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/4176-169-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/4316-159-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/4444-143-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/4760-161-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/5048-139-0x0000000000000000-mapping.dmp

                                      Download

                                    • memory/5112-170-0x0000000000000000-mapping.dmp

                                      Download