Resubmissions

28-08-2024 08:25

240828-kbjkfs1eqb 3

28-08-2024 06:36

240828-hc6p9szepj 10

Analysis

  • max time kernel
    119s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-08-2024 06:36

Errors

Reason
Machine shutdown

General

  • Target

    purim-0-311-0-409.jpg

  • Size

    41KB

  • MD5

    b7bd9c98d26f6d64bc007f8f10519cd8

  • SHA1

    f7921a954a5af85457f6a0e64bb5ee0caf498d68

  • SHA256

    fbd2fc91df25ccd0bb980ee37e092fafa2a2c63d659a98565684006a9e8f72ac

  • SHA512

    d97de52d7831a195358186f81bf318a8931f5e1ead55b2ad760dde876074c003cb933a6470a52830d377d3fbace1cc4f2b9a58a172180661495027713cec9f3f

  • SSDEEP

    768:32AEFF9IXfj87OB16z9lgOIGp9qocLYQYP1V8Ahz+R/X9E7WBOa:GPFFarkOB1MNIGm/kpXmRv9n

Malware Config

Signatures

  • BadRabbit

    Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

  • Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 8 IoCs
  • System Binary Proxy Execution: Verclsid 1 TTPs 1 IoCs

    Adversaries may abuse Verclsid to proxy execution of malicious code.

  • 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.

  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\purim-0-311-0-409.jpg
    1⤵
      PID:2240
    • 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=1296,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:8
      1⤵
        PID:4076
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        1⤵
          PID:4784
        • 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=17 --field-trial-handle=5084,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=5108 /prefetch:1
          1⤵
            PID:1748
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --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=5128,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=5160 /prefetch:1
            1⤵
              PID:2384
            • 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=5668,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=5712 /prefetch:8
              1⤵
                PID:4564
              • 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=19 --field-trial-handle=5896,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=5972 /prefetch:1
                1⤵
                  PID:2312
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --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=6040,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6120 /prefetch:1
                  1⤵
                    PID:3236
                  • 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=5396,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=5932 /prefetch:8
                    1⤵
                      PID:1708
                    • 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=22 --field-trial-handle=6316,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6384 /prefetch:1
                      1⤵
                        PID:4680
                      • 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=6128,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6204 /prefetch:8
                        1⤵
                          PID:2556
                        • 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=6620,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6192 /prefetch:1
                          1⤵
                            PID:4768
                          • 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=6252,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6692 /prefetch:8
                            1⤵
                              PID:1660
                            • 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=6672,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6848 /prefetch:8
                              1⤵
                              • Modifies registry class
                              PID:768
                            • 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=27 --field-trial-handle=6924,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6944 /prefetch:1
                              1⤵
                                PID:5156
                              • 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=28 --field-trial-handle=6884,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=5360 /prefetch:1
                                1⤵
                                  PID:5300
                                • 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=6464,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6452 /prefetch:1
                                  1⤵
                                    PID:5368
                                  • 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=5404,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=5104 /prefetch:8
                                    1⤵
                                      PID:5712
                                    • 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=5804,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6124 /prefetch:8
                                      1⤵
                                        PID:6020
                                      • 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=5800,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=5856 /prefetch:1
                                        1⤵
                                          PID:6028
                                        • 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=33 --field-trial-handle=6452,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=6444 /prefetch:1
                                          1⤵
                                            PID:4368
                                          • 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=7172,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=7260 /prefetch:8
                                            1⤵
                                              PID:3560
                                            • C:\Users\Admin\Downloads\BadRabbit.exe
                                              "C:\Users\Admin\Downloads\BadRabbit.exe"
                                              1⤵
                                              • Drops file in Windows directory
                                              • System Location Discovery: System Language Discovery
                                              • Suspicious use of WriteProcessMemory
                                              PID:5844
                                              • C:\Windows\SysWOW64\rundll32.exe
                                                C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
                                                2⤵
                                                • Loads dropped DLL
                                                • Drops file in Windows directory
                                                • System Location Discovery: System Language Discovery
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:5696
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  /c schtasks /Delete /F /TN rhaegal
                                                  3⤵
                                                  • System Location Discovery: System Language Discovery
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:5912
                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                    schtasks /Delete /F /TN rhaegal
                                                    4⤵
                                                    • System Location Discovery: System Language Discovery
                                                    PID:5980
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  /c schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 651594692 && exit"
                                                  3⤵
                                                  • System Location Discovery: System Language Discovery
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:6012
                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                    schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 651594692 && exit"
                                                    4⤵
                                                    • System Location Discovery: System Language Discovery
                                                    • Scheduled Task/Job: Scheduled Task
                                                    PID:1892
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  /c schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 06:56:00
                                                  3⤵
                                                  • System Location Discovery: System Language Discovery
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:3368
                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                    schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 06:56:00
                                                    4⤵
                                                    • System Location Discovery: System Language Discovery
                                                    • Scheduled Task/Job: Scheduled Task
                                                    PID:4740
                                                • C:\Windows\E882.tmp
                                                  "C:\Windows\E882.tmp" \\.\pipe\{0BFF94C4-84F4-4E31-884E-FB0BE02DFEE1}
                                                  3⤵
                                                  • Executes dropped EXE
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:1504
                                            • C:\Users\Admin\Downloads\BadRabbit.exe
                                              "C:\Users\Admin\Downloads\BadRabbit.exe"
                                              1⤵
                                              • Drops file in Windows directory
                                              • System Location Discovery: System Language Discovery
                                              • Suspicious use of WriteProcessMemory
                                              PID:5988
                                              • C:\Windows\SysWOW64\rundll32.exe
                                                C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
                                                2⤵
                                                • Loads dropped DLL
                                                • Drops file in Windows directory
                                                • System Location Discovery: System Language Discovery
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious use of AdjustPrivilegeToken
                                                PID:6044
                                            • 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=7080,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=7456 /prefetch:8
                                              1⤵
                                                PID:5668
                                              • C:\Users\Admin\Downloads\Petya.A.exe
                                                "C:\Users\Admin\Downloads\Petya.A.exe"
                                                1⤵
                                                • Writes to the Master Boot Record (MBR)
                                                • System Location Discovery: System Language Discovery
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of SetWindowsHookEx
                                                PID:4068
                                              • C:\Windows\system32\verclsid.exe
                                                "C:\Windows\system32\verclsid.exe" /S /C {088E3905-0323-4B02-9826-5D99428E115F} /I {000214E6-0000-0000-C000-000000000046} /X 0x401
                                                1⤵
                                                • System Binary Proxy Execution: Verclsid
                                                PID:1160

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\Windows\E882.tmp

                                                Filesize

                                                60KB

                                                MD5

                                                347ac3b6b791054de3e5720a7144a977

                                                SHA1

                                                413eba3973a15c1a6429d9f170f3e8287f98c21c

                                                SHA256

                                                301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

                                                SHA512

                                                9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

                                              • C:\Windows\infpub.dat

                                                Filesize

                                                401KB

                                                MD5

                                                1d724f95c61f1055f0d02c2154bbccd3

                                                SHA1

                                                79116fe99f2b421c52ef64097f0f39b815b20907

                                                SHA256

                                                579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648

                                                SHA512

                                                f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113

                                              • memory/5696-4-0x0000000002E00000-0x0000000002E68000-memory.dmp

                                                Filesize

                                                416KB

                                              • memory/5696-11-0x0000000002E00000-0x0000000002E68000-memory.dmp

                                                Filesize

                                                416KB

                                              • memory/5696-14-0x0000000002E00000-0x0000000002E68000-memory.dmp

                                                Filesize

                                                416KB

                                              • memory/6044-42-0x0000000002270000-0x00000000022D8000-memory.dmp

                                                Filesize

                                                416KB

                                              • memory/6044-50-0x0000000002270000-0x00000000022D8000-memory.dmp

                                                Filesize

                                                416KB