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Resubmissions

12/05/2024, 14:36

240512-rykjladg46 3

12/05/2024, 13:41

240512-qzhwqaca72 6

Analysis

  • max time kernel
    63s
  • max time network
    65s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/05/2024, 13:41

General

  • Target

    main.exe

  • Size

    2.2MB

  • MD5

    ea48c8b51bd0980d09c49fbb90aa5c66

  • SHA1

    2e52354949a97bbcc10502b5293f2a2170fee0ec

  • SHA256

    867e40fc8a8dd177826bf65429a99075e56736c7bdb643c66a7075b4911fda46

  • SHA512

    0e3f826540d56c086ce9b0b20940218552e443df7efa089de2c5fa6dcb4f95a1a9079871dbc6d31cc76f401ac66004707d9e04a219b55e336b7cc8690fea12d7

  • SSDEEP

    24576:X45EyTvyUhet2wDyzXQpWJZ4Nt3EnioGLNtpC1YYK7oTA+BaV8JMQNDUX9YWUI:I5t6UhKVDyHgt0HGLRZAacNDm9YWp

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 11 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\main.exe
    "C:\Users\Admin\AppData\Local\Temp\main.exe"
    1⤵
      PID:2140
    • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
      "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Program Files (x86)\Windows Media Player\setup_wm.exe
        "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
        2⤵
          PID:4644
        • C:\Windows\SysWOW64\unregmp2.exe
          "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4740
          • C:\Windows\system32\unregmp2.exe
            "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
            3⤵
            • Enumerates connected drives
            • Suspicious use of AdjustPrivilegeToken
            PID:2000
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\WatchSplit.bat" "
        1⤵
          PID:4908
        • C:\Windows\System32\NOTEPAD.EXE
          "C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\Desktop\WatchSplit.bat
          1⤵
          • Opens file in notepad (likely ransom note)
          PID:2972
        • C:\Windows\system32\mspaint.exe
          "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\ConnectJoin.jpe" /ForceBootstrapPaint3D
          1⤵
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1456
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc
          1⤵
          • Drops file in System32 directory
          PID:2480
        • C:\Windows\system32\OpenWith.exe
          C:\Windows\system32\OpenWith.exe -Embedding
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:4784
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe"
          1⤵
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:3520
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x128,0x12c,0x130,0x104,0x134,0x7fffac13ab58,0x7fffac13ab68,0x7fffac13ab78
            2⤵
              PID:4052
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1736 --field-trial-handle=1996,i,16901786661237654437,7608312825876626201,131072 /prefetch:2
              2⤵
                PID:804
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1928 --field-trial-handle=1996,i,16901786661237654437,7608312825876626201,131072 /prefetch:8
                2⤵
                  PID:3124
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2280 --field-trial-handle=1996,i,16901786661237654437,7608312825876626201,131072 /prefetch:8
                  2⤵
                    PID:1904
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3076 --field-trial-handle=1996,i,16901786661237654437,7608312825876626201,131072 /prefetch:1
                    2⤵
                      PID:4628
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3104 --field-trial-handle=1996,i,16901786661237654437,7608312825876626201,131072 /prefetch:1
                      2⤵
                        PID:3760
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3624 --field-trial-handle=1996,i,16901786661237654437,7608312825876626201,131072 /prefetch:1
                        2⤵
                          PID:1444
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4432 --field-trial-handle=1996,i,16901786661237654437,7608312825876626201,131072 /prefetch:8
                          2⤵
                            PID:4404
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4596 --field-trial-handle=1996,i,16901786661237654437,7608312825876626201,131072 /prefetch:8
                            2⤵
                              PID:5036
                          • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                            "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                            1⤵
                              PID:4852

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                              Filesize

                              264KB

                              MD5

                              f50f89a0a91564d0b8a211f8921aa7de

                              SHA1

                              112403a17dd69d5b9018b8cede023cb3b54eab7d

                              SHA256

                              b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                              SHA512

                              bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                              Filesize

                              1KB

                              MD5

                              4d8534fa98b22aa422ad55b1eb53bf21

                              SHA1

                              d5996dd4144ed80e4548d9750acc79fe64e97d40

                              SHA256

                              167fda0d4e8944a85e1083ad144bc273fcad3cea68842d597ab3fb7dbb98e6b7

                              SHA512

                              df58e9fdfaf8536c96b377c42361c89b87f3526acb9c5ed822a87ae9706f49cd6b5ecfd0ea77f21ecf15cc66dc7658696187054950c84ee122d8ce8f45048d7e

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                              Filesize

                              2B

                              MD5

                              d751713988987e9331980363e24189ce

                              SHA1

                              97d170e1550eee4afc0af065b78cda302a97674c

                              SHA256

                              4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                              SHA512

                              b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                              Filesize

                              356B

                              MD5

                              f47258a53c4c848bc97e65b5879cbe05

                              SHA1

                              d47d1ae51f91ef98a26ffcb545283d1eab015277

                              SHA256

                              81bd28b5284fafafbc4914e55790ee2531332c23b66c4c64702e795f09870867

                              SHA512

                              afbb06e9779be04cee04b78c4fa58beb453b55cad6582895c0005437bd7e5f1fc23aff8da4151a03d6061b6d7906fcecaf65f3396ff3f840bd590002d2b08a3d

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                              Filesize

                              6KB

                              MD5

                              4d48abc828ea77a5bb10395b198d7b7c

                              SHA1

                              151f58be0159596138bc97cbc3543cf658d82c33

                              SHA256

                              4a66ef067427a7caf8bfe39930d61cd7af4625b8bef4594ed47bd8c5b2cdd832

                              SHA512

                              c35e4c6155c578fc8385ae2102dd506c3d414b1a9c93db5e3e7122d35d6058fc64786c2253f9aa701d813196ff74084b9fd2506562e917d5014a816fb878f093

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                              Filesize

                              257KB

                              MD5

                              ab92c67d639a30c03bb6761dd7974a77

                              SHA1

                              01f0db7f0020024053b1932ebb996b8503bea0d3

                              SHA256

                              1d77c2b351e07aa4fe86a0e63584627c61ea9a3fccb09451a37bb99f241cbd79

                              SHA512

                              b8747f83fb733d63879c35101bdee1991837f585b6c29fcaffc729ce6ccbe48c897298e9dceb80e1e347726c034ea82c3a78884e2a5cb446643da26449146ca3

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                              Filesize

                              257KB

                              MD5

                              6559d73ca074ef0c5062dd1417609774

                              SHA1

                              820d6bd0000cadeac4928305b2fb66b10438c02e

                              SHA256

                              af538ff95751c53783e9c72edead3d4f6af81ce89bc336339bd383bd93886468

                              SHA512

                              2259deaa806e74ba9ebe242a459b24b1d72a9d1b0022a5e41a2d36ca67ffbfdb4e0089c2d382266f4442504dddf59aceb86837299d395afe612d6dd92b7884ab

                            • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

                              Filesize

                              768KB

                              MD5

                              6a59e1d9c05ba517de6578aec7f1206b

                              SHA1

                              ff194c7326d3ccce1d7e3e1d1efc70497b718e5d

                              SHA256

                              e627c1f5749e17f4d8a3698e5e8099c6318b4d3cc6c7e043785cc296c3dd94be

                              SHA512

                              f895c3289469d177484f50cfe507707bd341747041d11105e2f1f9b6f54ffb4446d2e7550d86d68fa22df14731ecfac7f8c690b3d02fdc205214a813afa6de4f

                            • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

                              Filesize

                              9KB

                              MD5

                              7050d5ae8acfbe560fa11073fef8185d

                              SHA1

                              5bc38e77ff06785fe0aec5a345c4ccd15752560e

                              SHA256

                              cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

                              SHA512

                              a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

                            • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

                              Filesize

                              1KB

                              MD5

                              52be8151835084d8c410432593ebcb4d

                              SHA1

                              fa3d3d4a191636d6a9d13a9569f5a56da8b87c68

                              SHA256

                              c782f70915df111bfc09761ce1609b0a15c060b0fa90457ce3163117356eeb3b

                              SHA512

                              2a00139d35e621562427399100e69dc8a4c55b28735c948e5256d3552cef8525b254c71a7710ee1947f2a1c270a9f2a411c41259da0d403d0a517b9d24fcdf5a

                            • C:\Users\Admin\Desktop\ConnectJoin.jpe

                              Filesize

                              422KB

                              MD5

                              f8777530038f4c94271d6732d24c3265

                              SHA1

                              1601488a123aea2e05cd47bd51f2ae0ad94b0331

                              SHA256

                              e156256bbe3e93275d43dd77ce81d59d9b7863fafd208a331789b47e25f8142a

                              SHA512

                              8cb5d999d7999cf597021b4b5ea96f6910a6a1a8b09c4ec6c6dc69ae03b48c0ddb77df32b5201122e9acaebab8cf60a86936b7f1e5ef88c92ca967229d70d927

                            • C:\Users\Admin\Desktop\WatchSplit.bat

                              Filesize

                              245KB

                              MD5

                              0b8acfd01e57d2b780670eab2a8e7d6a

                              SHA1

                              9da9dd790e00acaa51eaf35b118928401fd35e13

                              SHA256

                              b1cacf034f2147a17ff1422b3c7b8928010a31b5cf6545a1106f526b6722a8fe

                              SHA512

                              0c4764d5e90b4121af1b16b69f5e6c75895b0eb3e6b9fd4a2b9735984d7e187d9af00e79170832f92d2b63e332094041ea7ade03d4bc6cad55e2ccdffabba363

                            • memory/2480-65-0x00000174E4DA0000-0x00000174E4DB0000-memory.dmp

                              Filesize

                              64KB

                            • memory/2480-80-0x00000174ED180000-0x00000174ED181000-memory.dmp

                              Filesize

                              4KB

                            • memory/2480-79-0x00000174ED180000-0x00000174ED181000-memory.dmp

                              Filesize

                              4KB

                            • memory/2480-77-0x00000174ED170000-0x00000174ED171000-memory.dmp

                              Filesize

                              4KB

                            • memory/2480-78-0x00000174ED170000-0x00000174ED171000-memory.dmp

                              Filesize

                              4KB

                            • memory/2480-76-0x00000174ED0E0000-0x00000174ED0E1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2480-74-0x00000174ED0E0000-0x00000174ED0E1000-memory.dmp

                              Filesize

                              4KB

                            • memory/2480-72-0x00000174ED060000-0x00000174ED061000-memory.dmp

                              Filesize

                              4KB

                            • memory/2480-61-0x00000174E4D60000-0x00000174E4D70000-memory.dmp

                              Filesize

                              64KB