Analysis

  • max time kernel
    153s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    16-06-2022 07:03

General

  • Target

    26dd7e5586e14c19b2e691249222f761f49dbed6b4a418f5c01f324848047040.exe

  • Size

    212KB

  • MD5

    85181bc7f85b197b6128031a2781dd08

  • SHA1

    750160b2d1a83e743bb06584bad158b0bb4ef426

  • SHA256

    26dd7e5586e14c19b2e691249222f761f49dbed6b4a418f5c01f324848047040

  • SHA512

    ac51fd25bf4ff5f41ce503d65dbcd9c1f4b9a078393bacb3a619b030e1014ec73ff75ec1cd456a6d28a4f09307c01cd744621edc5aa7d4f6c9f1cee4d2acd741

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

  • suricata: ET MALWARE Locky CnC Checkin HTTP Pattern

    suricata: ET MALWARE Locky CnC Checkin HTTP Pattern

  • suricata: ET MALWARE Locky CnC checkin Nov 21

    suricata: ET MALWARE Locky CnC checkin Nov 21

  • suricata: ET MALWARE Locky CnC checkin Nov 21 M2

    suricata: ET MALWARE Locky CnC checkin Nov 21 M2

  • suricata: ET MALWARE Possible Zeus GameOver/FluBot Related DGA NXDOMAIN Responses

    suricata: ET MALWARE Possible Zeus GameOver/FluBot Related DGA NXDOMAIN Responses

  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 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 Control Panel 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26dd7e5586e14c19b2e691249222f761f49dbed6b4a418f5c01f324848047040.exe
    "C:\Users\Admin\AppData\Local\Temp\26dd7e5586e14c19b2e691249222f761f49dbed6b4a418f5c01f324848047040.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\26dd7e5586e14c19b2e691249222f761f49dbed6b4a418f5c01f324848047040.exe
      "C:\Users\Admin\AppData\Local\Temp\26dd7e5586e14c19b2e691249222f761f49dbed6b4a418f5c01f324848047040.exe"
      2⤵
      • Modifies extensions of user files
      • Sets desktop wallpaper using registry
      • Modifies Control Panel
      • Suspicious use of WriteProcessMemory
      PID:4552
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\-INSTRUCTION.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:3376
        • 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,0x100,0x104,0xd8,0x108,0x7ffa8dc946f8,0x7ffa8dc94708,0x7ffa8dc94718
          4⤵
            PID:4812
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,10971623314229816544,13631557160920587189,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
            4⤵
              PID:2416
            • 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=2136,10971623314229816544,13631557160920587189,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2240 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4584
            • 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=2136,10971623314229816544,13631557160920587189,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2720 /prefetch:8
              4⤵
                PID:1312
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10971623314229816544,13631557160920587189,131072 --lang=en-US --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=4004 /prefetch:1
                4⤵
                  PID:2948
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10971623314229816544,13631557160920587189,131072 --lang=en-US --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=4012 /prefetch:1
                  4⤵
                    PID:756
                  • 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=2136,10971623314229816544,13631557160920587189,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5220 /prefetch:8
                    4⤵
                      PID:4900
                    • 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=2136,10971623314229816544,13631557160920587189,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5296 /prefetch:8
                      4⤵
                        PID:5044
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10971623314229816544,13631557160920587189,131072 --disable-gpu-compositing --lang=en-US --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=5520 /prefetch:1
                        4⤵
                          PID:3412
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10971623314229816544,13631557160920587189,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5560 /prefetch:1
                          4⤵
                            PID:1528
                          • 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=2136,10971623314229816544,13631557160920587189,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5936 /prefetch:8
                            4⤵
                              PID:1272
                            • 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:316
                              • 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=0x27c,0x280,0x284,0x258,0x288,0x7ff727ba5460,0x7ff727ba5470,0x7ff727ba5480
                                5⤵
                                  PID:2492
                              • 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=2136,10971623314229816544,13631557160920587189,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5936 /prefetch:8
                                4⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:380
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\26dd7e5586e14c19b2e691249222f761f49dbed6b4a418f5c01f324848047040.exe"
                              3⤵
                                PID:4612
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1296

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Temp\nsxA88A.tmp\System.dll
                              Filesize

                              11KB

                              MD5

                              ca332bb753b0775d5e806e236ddcec55

                              SHA1

                              f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

                              SHA256

                              df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

                              SHA512

                              2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

                            • C:\Users\Admin\Desktop\-INSTRUCTION.html
                              Filesize

                              8KB

                              MD5

                              fec718d332a787de701b6ea6cb622638

                              SHA1

                              5f3453bff4786411d5b15c4a18a457389f8c12d1

                              SHA256

                              f0bbe80df8edaab07fa96ebf260c28b60e0fcc531096ff046aa828b634e8b3b9

                              SHA512

                              3862fc264c960577f2d45d8798723fad3f940a3d255adfc333904bda2f0a436382c3be9edd290ee3185ca470b970e53b17df17ed4e762b7e3bf71c005c78d47a

                            • \??\pipe\LOCAL\crashpad_3376_RDQCGWRLUSRTNKDK
                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/316-159-0x0000000000000000-mapping.dmp
                            • memory/380-161-0x0000000000000000-mapping.dmp
                            • memory/756-149-0x0000000000000000-mapping.dmp
                            • memory/1312-144-0x0000000000000000-mapping.dmp
                            • memory/1528-158-0x0000000000000000-mapping.dmp
                            • memory/2084-133-0x00000000026F0000-0x000000000270D000-memory.dmp
                              Filesize

                              116KB

                            • memory/2084-131-0x00000000026F0000-0x000000000270D000-memory.dmp
                              Filesize

                              116KB

                            • memory/2416-141-0x0000000000000000-mapping.dmp
                            • memory/2492-160-0x0000000000000000-mapping.dmp
                            • memory/2948-147-0x0000000000000000-mapping.dmp
                            • memory/3376-136-0x0000000000000000-mapping.dmp
                            • memory/3412-156-0x0000000000000000-mapping.dmp
                            • memory/4552-138-0x0000000001FC0000-0x0000000001FE7000-memory.dmp
                              Filesize

                              156KB

                            • memory/4552-135-0x00000000001D0000-0x00000000001F7000-memory.dmp
                              Filesize

                              156KB

                            • memory/4552-134-0x0000000001FC0000-0x0000000001FE7000-memory.dmp
                              Filesize

                              156KB

                            • memory/4552-132-0x0000000000000000-mapping.dmp
                            • memory/4584-142-0x0000000000000000-mapping.dmp
                            • memory/4612-137-0x0000000000000000-mapping.dmp
                            • memory/4812-139-0x0000000000000000-mapping.dmp
                            • memory/4900-152-0x0000000000000000-mapping.dmp
                            • memory/5044-154-0x0000000000000000-mapping.dmp