Overview

overview

10

Static

static

10

Document.doc.scr

windows10-2004-x64

9

Resubmissions

04-10-2024 07:30

241004-jbsmpa1gmr 10

27-08-2024 11:50

240827-nz1ena1bkn 10

Analysis

  • max time kernel
    78s
  • max time network
    80s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-uk
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-uklocale:uk-uaos:windows10-2004-x64systemwindows
  • submitted
    04-10-2024 07:30

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General

  • Target

    Document.doc.scr

  • Size

    194KB

  • MD5

    ae811bd6440b425e6777f0ca001a9743

  • SHA1

    70902540ead269971e149eaff568fb17d04156af

  • SHA256

    86e17aa882c690ede284f3e445439dfe589d8f36e31cbc09d102305499d5c498

  • SHA512

    3617d8e77c221525125778cf64f2525136f7958766f5bed0fd7bfe00e7f738017d2840972acc628e4c3471b93cf6d52ccd619f49bdbbcff824c12cac8e1ea88e

  • SSDEEP

    3072:a6glyuxE4GsUPnliByocWepiHkZmlkQIQP6fo:a6gDBGpvEByocWeQwLAPm

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (644) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Document.doc.scr
    "C:\Users\Admin\AppData\Local\Temp\Document.doc.scr" /S
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:4916
    • C:\ProgramData\E773.tmp
      "C:\ProgramData\E773.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3452
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\E773.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4308
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:3636
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5108
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{74CC7FAC-213B-4289-B200-B2BF8C144733}.xps" 133725006253250000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:2528
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefaultffff61f1h1bd3h4161h8347hbee44d4c63bf
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:5004
      • 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=0x120,0x124,0x128,0xfc,0x12c,0x7ffd18b446f8,0x7ffd18b44708,0x7ffd18b44718
        2⤵
          PID:5056
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2028,5703629473803679396,9227865595551269251,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2036 /prefetch:2
          2⤵
            PID:1404
          • 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=2028,5703629473803679396,9227865595551269251,131072 --lang=uk --service-sandbox-type=none --mojo-platform-channel-handle=2244 /prefetch:3
            2⤵
              PID:3056
            • 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=2028,5703629473803679396,9227865595551269251,131072 --lang=uk --service-sandbox-type=utility --mojo-platform-channel-handle=2728 /prefetch:8
              2⤵
                PID:4648
            • C:\Windows\System32\CompPkgSrv.exe
              C:\Windows\System32\CompPkgSrv.exe -Embedding
              1⤵
                PID:2516
              • C:\Windows\System32\CompPkgSrv.exe
                C:\Windows\System32\CompPkgSrv.exe -Embedding
                1⤵
                  PID:1864
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k netsvcs -s LxpSvc
                  1⤵
                    PID:900
                  • C:\Windows\System32\FodHelper.exe
                    C:\Windows\System32\FodHelper.exe -Embedding
                    1⤵
                      PID:4108

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\CCCCCCCCCCC
                      Filesize

                      129B

                      MD5

                      9c560fedadb82ebe7dc60040bdbae1f9

                      SHA1

                      55b7d13d66f75604b3de5d1b9a0113a527949f17

                      SHA256

                      00f7f20cfc1cdfe0c4459d5084dbbb6dfe48eb8f99685dab7f3632e30a149a19

                      SHA512

                      c7ad53183be5d9ccf5aeb481b1caf70b075c5d211be4ef741adaf8c59dc6cc7958ff611d7634236f90a25a652f94f5d15702e5b17f26a7891d31fe7ad9c28a57

                      Download Submit

                    • C:\ProgramData\E773.tmp
                      Filesize

                      14KB

                      MD5

                      294e9f64cb1642dd89229fff0592856b

                      SHA1

                      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

                      SHA256

                      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

                      SHA512

                      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

                      Download Submit

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                      Filesize

                      152B

                      MD5

                      e765f3d75e6b0e4a7119c8b14d47d8da

                      SHA1

                      cc9f7c7826c2e1a129e7d98884926076c3714fc0

                      SHA256

                      986443556d3878258b710d9d9efbf4f25f0d764c3f83dc54217f2b12a6eccd89

                      SHA512

                      a1872a849f27da78ebe9adb9beb260cb49ed5f4ca2d403f23379112bdfcd2482446a6708188100496e45db1517cdb43aba8bb93a75e605713c3f97cd716b1079

                      Download Submit

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                      Filesize

                      5KB

                      MD5

                      f66e84c4be84e9c741fc2923ac6c573d

                      SHA1

                      b7fe252b080b82db6f08705741890c935fbe0620

                      SHA256

                      5857dcc9c5ff4b97960e9ebc713c3935be9dc05871e31dc23cbdc3a155b1388e

                      SHA512

                      ea2dc5f4b34908e60581fb00fa4414c5bc991deb60a971814f951b751bc0bc34e2a86f5a5d4cfb859f33dbeb4bd09d83290d5d1d296e86de9c63999bafcfa1b6

                      Download Submit

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                      Filesize

                      8KB

                      MD5

                      4220e0d85f87648646015133f3bd4873

                      SHA1

                      e2c461e1020635c7c0a114272a51ae7cc8ebb839

                      SHA256

                      4d6d006a40a7944041dadcb87060f9c0c3d419dfd90029918d25dca4c05552a5

                      SHA512

                      265ba4d4b09764434d88f64fa10ce7922117e21a9022f8386b778fa4199d4b8d9a82fccee783c3703c07861172f1919d4bd90bc03e860325dc4b62a57da46b13

                      Download Submit

                    • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDD
                      Filesize

                      194KB

                      MD5

                      4cf43c4a3d6e21d5bcff99abe380d1cd

                      SHA1

                      4e01ccc3eb4157ab7fa7bc518aa2f7bded1e1b57

                      SHA256

                      85bc17ca90dbedd988451fb96394343708e73b29306d81f422c849d343146da3

                      SHA512

                      515316e1d3bcea03f0b8b854b908ff061131780804572af49f907d61c34e811cf842b66fc4c401347ce46931816b0ce91dfc565ae8f605c282c0d2f9286133be

                      Download Submit

                    • C:\Users\Admin\AppData\Local\Temp\{E9E81F13-9A4B-41BC-90FA-A2FB1549B307}
                      Filesize

                      4KB

                      MD5

                      bb27a9845891ab927beeb88d0e210993

                      SHA1

                      35f5059113a0172e41d564d856002ebc3a2f7634

                      SHA256

                      1aeca5c5a9064206191d6613be9827b037e935999414c7c71728df57b3c1f916

                      SHA512

                      2ae69fa1cadabfc4ce27b37fabcec43bb8cdbe570f9fa2f703d04ace80783eb893ea976a222d0957cabfb6e193a70ec6ee5dfa1c303458b0f68b233a1f10194d

                      Download Submit

                    • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
                      Filesize

                      4KB

                      MD5

                      1389fd7b8e6d19e8c6714bd74217e8a9

                      SHA1

                      abcc4768b8f26781d63d2560540cb3f8d296204f

                      SHA256

                      5cc1ae254709467d999c23b74de42172b7e6eb75d51bc769d855220b331811a6

                      SHA512

                      600327c7d7c2e77219feb6ad0ab45b9a35bef574b8456426029b545d9b1a73105b08b73139ea31dbe0f926d5ada4652fa4bc397f562b7929002e784b5a722df0

                      Download Submit

                    • C:\kZd6jLIwz.README.txt
                      Filesize

                      449B

                      MD5

                      c2f46db865b0ba6ef8f9385cf458a56e

                      SHA1

                      0b2f94fcf38ef15f59bb86a3296b7da514b4ac4e

                      SHA256

                      c25759e6083dd4bf592a6da2063c45def5adc9a6ef2ed15820128a0d838f70fe

                      SHA512

                      9927b209ca26e3243fac9f003c6af7663ba84405346fbdb66c6f401387cd20ea3f99d63d0858ebdc76f2e6bc722d41e2a1f599bc6f7d97b0687dba95dea31b39

                      Download Submit

                    • F:\$RECYCLE.BIN\S-1-5-21-523280732-2327480845-3730041215-1000\DDDDDDDDDDD
                      Filesize

                      129B

                      MD5

                      56eaf04ccd30adeb5fbb9250cc6693c4

                      SHA1

                      578126d877b586968192762a5970f9333d869a7a

                      SHA256

                      dde2bdb8356d51f4391f4cbc7a26a7ec298ee2587204394e143ed19a372e3455

                      SHA512

                      90668930727f38f0f7dae26dd637c1d12f8e57fa42fd009ff1fe994336ce7b9c6e30885e062a669c5e232dded528ecd0d9df720c8194d6bd4e9db5c8a49b6172

                      Download Submit

                    • memory/1116-2899-0x00000000031E0000-0x00000000031F0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/1116-2900-0x00000000031E0000-0x00000000031F0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/1116-0-0x00000000031E0000-0x00000000031F0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/1116-2-0x00000000031E0000-0x00000000031F0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/1116-2898-0x00000000031E0000-0x00000000031F0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/1116-1-0x00000000031E0000-0x00000000031F0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2949-0x00007FFCF6FF0000-0x00007FFCF7000000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2913-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2950-0x00007FFCF6FF0000-0x00007FFCF7000000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2988-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2989-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2991-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2990-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2915-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2948-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2912-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/2528-2911-0x00007FFCF90B0000-0x00007FFCF90C0000-memory.dmp

                      Filesize

                      64KB

                      Download