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Resubmissions

04/09/2024, 09:48

240904-ls2b9sxgjl 4

04/09/2024, 09:44

240904-lqsx4sxfqq 10

04/09/2024, 09:41

240904-ln5h5axfpk 7

04/09/2024, 09:38

240904-lmdzsaxfmq 10

04/09/2024, 09:36

240904-lk6a9axfll 6

Analysis

  • max time kernel
    132s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2024, 09:44

Errors

Reason
Machine shutdown

General

  • Target

    https://github.com/Dfmaaa/MEMZ-virus/archive/refs/heads/main.zip

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/Dfmaaa/MEMZ-virus/archive/refs/heads/main.zip
    1⤵
      PID:4892
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=4376,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=3852 /prefetch:1
      1⤵
        PID:4624
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --field-trial-handle=4372,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=5092 /prefetch:1
        1⤵
          PID:3620
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=5412,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=5472 /prefetch:8
          1⤵
            PID:1484
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --field-trial-handle=5432,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=5452 /prefetch:8
            1⤵
              PID:3448
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --field-trial-handle=6116,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6240 /prefetch:8
              1⤵
                PID:1168
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --field-trial-handle=6172,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6256 /prefetch:1
                1⤵
                  PID:3780
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.FileUtilService --lang=en-US --service-sandbox-type=service --field-trial-handle=6528,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6552 /prefetch:8
                  1⤵
                    PID:4744
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --field-trial-handle=6896,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=7112 /prefetch:8
                    1⤵
                      PID:4568
                    • 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 --lang=en-US --service-sandbox-type=service --field-trial-handle=5072,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=5084 /prefetch:8
                      1⤵
                        PID:4064
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --field-trial-handle=5088,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6720 /prefetch:1
                        1⤵
                          PID:1840
                        • 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 --lang=en-US --service-sandbox-type=service --field-trial-handle=4424,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=5164 /prefetch:8
                          1⤵
                            PID:2504
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=26 --field-trial-handle=6936,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=5152 /prefetch:1
                            1⤵
                              PID:1220
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --field-trial-handle=6992,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=5064 /prefetch:8
                              1⤵
                                PID:3452
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --field-trial-handle=7196,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6560 /prefetch:8
                                1⤵
                                • Modifies registry class
                                PID:3588
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=29 --field-trial-handle=7288,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=7296 /prefetch:1
                                1⤵
                                  PID:3244
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=30 --field-trial-handle=7448,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=5896 /prefetch:1
                                  1⤵
                                    PID:3564
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=31 --field-trial-handle=7164,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=7268 /prefetch:1
                                    1⤵
                                      PID:3104
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=32 --field-trial-handle=6396,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6444 /prefetch:1
                                      1⤵
                                        PID:3280
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.FileUtilService --lang=en-US --service-sandbox-type=service --field-trial-handle=6368,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6944 /prefetch:8
                                        1⤵
                                          PID:2636
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --field-trial-handle=7024,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6152 /prefetch:8
                                          1⤵
                                            PID:3352
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --field-trial-handle=6132,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6140 /prefetch:8
                                            1⤵
                                              PID:4056
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=36 --field-trial-handle=5832,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6292 /prefetch:1
                                              1⤵
                                                PID:3388
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.FileUtilService --lang=en-US --service-sandbox-type=service --field-trial-handle=6980,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6212 /prefetch:8
                                                1⤵
                                                  PID:3620
                                                • C:\Windows\System32\rundll32.exe
                                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                                  1⤵
                                                    PID:2784
                                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=38 --field-trial-handle=6696,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=7612 /prefetch:1
                                                    1⤵
                                                      PID:4816
                                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --field-trial-handle=7588,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=6768 /prefetch:8
                                                      1⤵
                                                        PID:4384
                                                      • C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe"
                                                        1⤵
                                                        • System Location Discovery: System Language Discovery
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:3380
                                                        • C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe" /watchdog
                                                          2⤵
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of SetWindowsHookEx
                                                          PID:4544
                                                        • C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe" /watchdog
                                                          2⤵
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of SetWindowsHookEx
                                                          PID:4644
                                                        • C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe" /watchdog
                                                          2⤵
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          • Suspicious use of SetWindowsHookEx
                                                          PID:4584
                                                        • C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe" /watchdog
                                                          2⤵
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of SetWindowsHookEx
                                                          PID:4224
                                                        • C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe" /watchdog
                                                          2⤵
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of SetWindowsHookEx
                                                          PID:2032
                                                        • C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\Temp1_MEMZ-virus-main.zip\MEMZ-virus-main\MEMZ.exe" /main
                                                          2⤵
                                                          • Writes to the Master Boot Record (MBR)
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:1800
                                                          • C:\Windows\SysWOW64\notepad.exe
                                                            "C:\Windows\System32\notepad.exe" \note.txt
                                                            3⤵
                                                            • System Location Discovery: System Language Discovery
                                                            PID:2888
                                                      • C:\Users\Admin\AppData\Local\Temp\Temp1_NoEscape.exe-Download-main.zip\NoEscape.exe-Download-main\NoEscape.exe\NoEscape.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\Temp1_NoEscape.exe-Download-main.zip\NoEscape.exe-Download-main\NoEscape.exe\NoEscape.exe"
                                                        1⤵
                                                        • Modifies WinLogon for persistence
                                                        • UAC bypass
                                                        • Disables RegEdit via registry modification
                                                        • Drops desktop.ini file(s)
                                                        • Sets desktop wallpaper using registry
                                                        • Drops file in Windows directory
                                                        • System Location Discovery: System Language Discovery
                                                        PID:1020
                                                      • C:\Windows\system32\LogonUI.exe
                                                        "LogonUI.exe" /flags:0x4 /state0:0xa3913855 /state1:0x41c64e6d
                                                        1⤵
                                                        • Modifies data under HKEY_USERS
                                                        • Suspicious use of SetWindowsHookEx
                                                        PID:5548

                                                      Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

                                                      Loading Replay Monitor...

                                                      Downloads

                                                      • C:\Users\Public\Desktop\⫛႑ⶌౙࢆ⍿ᑑሓ⾬ῌᅲᙢᶝஈጙℿ࿝

                                                        Filesize

                                                        666B

                                                        MD5

                                                        e49f0a8effa6380b4518a8064f6d240b

                                                        SHA1

                                                        ba62ffe370e186b7f980922067ac68613521bd51

                                                        SHA256

                                                        8dbd06e9585c5a16181256c9951dbc65621df66ceb22c8e3d2304477178bee13

                                                        SHA512

                                                        de6281a43a97702dd749a1b24f4c65bed49a2e2963cabeeb2a309031ab601f5ec488f48059c03ec3001363d085e8d2f0f046501edf19fafe7508d27e596117d4

                                                      • C:\note.txt

                                                        Filesize

                                                        218B

                                                        MD5

                                                        afa6955439b8d516721231029fb9ca1b

                                                        SHA1

                                                        087a043cc123c0c0df2ffadcf8e71e3ac86bbae9

                                                        SHA256

                                                        8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270

                                                        SHA512

                                                        5da21a31fbc4e8250dffed30f66b896bdf007ac91948140334fe36a3f010e1bac3e70a07e9f3eb9da8633189091fd5cadcabbaacd3e01da0fe7ae28a11b3dddf

                                                      • memory/1020-2-0x0000000000400000-0x00000000005CC000-memory.dmp

                                                        Filesize

                                                        1.8MB

                                                      • memory/1020-179-0x0000000000400000-0x00000000005CC000-memory.dmp

                                                        Filesize

                                                        1.8MB