Analysis

  • max time kernel
    70s
  • max time network
    71s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2024, 23:16

General

  • Target

    https://github.com/BladeCracks/Slinky/releases

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 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/BladeCracks/Slinky/releases
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:316
    • 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,0x100,0x104,0xd8,0x108,0x7fffa50b46f8,0x7fffa50b4708,0x7fffa50b4718
      2⤵
        PID:1608
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
        2⤵
          PID:3400
        • 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=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2180 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4672
        • 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=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
          2⤵
            PID:1332
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3284 /prefetch:1
            2⤵
              PID:3456
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3292 /prefetch:1
              2⤵
                PID:1772
              • 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=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5660 /prefetch:8
                2⤵
                  PID:5088
                • 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=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5660 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2772
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5316 /prefetch:1
                  2⤵
                    PID:3408
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4184 /prefetch:1
                    2⤵
                      PID:2252
                    • 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 --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=3560 /prefetch:8
                      2⤵
                        PID:4680
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5820 /prefetch:1
                        2⤵
                          PID:4716
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6032 /prefetch:1
                          2⤵
                            PID:4964
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6204 /prefetch:1
                            2⤵
                              PID:1384
                            • 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 --field-trial-handle=2112,9734176967817143389,8393158794070190579,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5812 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:6116
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3504
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1560
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:5592
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Downloads\WatchTest.cmd" "
                                  1⤵
                                    PID:5712
                                  • C:\Windows\System32\NOTEPAD.EXE
                                    "C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\Downloads\WatchTest.cmd
                                    1⤵
                                    • Opens file in notepad (likely ransom note)
                                    PID:5980
                                  • C:\Users\Admin\Desktop\slinkyloader.exe
                                    "C:\Users\Admin\Desktop\slinkyloader.exe"
                                    1⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:5224

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

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

                                    Filesize

                                    152B

                                    MD5

                                    e4f80e7950cbd3bb11257d2000cb885e

                                    SHA1

                                    10ac643904d539042d8f7aa4a312b13ec2106035

                                    SHA256

                                    1184ee8d32d0edecddd93403fb888fad6b3e2a710d37335c3989cc529bc08124

                                    SHA512

                                    2b92c9807fdcd937e514d4e7e1cc7c2d3e3aa162099b7289ceac2feea72d1a4afbadf1c09b3075d470efadf9a9edd63e07ea7e7a98d22243e45b3d53473fa4f0

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

                                    Filesize

                                    152B

                                    MD5

                                    2dc1a9f2f3f8c3cfe51bb29b078166c5

                                    SHA1

                                    eaf3c3dad3c8dc6f18dc3e055b415da78b704402

                                    SHA256

                                    dcb76fa365c2d9ee213b224a91cdd806d30b1e8652d72a22f2371124fa4479fa

                                    SHA512

                                    682061d9cc86a6e5d99d022da776fb554350fc95efbf29cd84c1db4e2b7161b76cd1de48335bcc3a25633079fb0bd412e4f4795ed6291c65e9bc28d95330bb25

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                    Filesize

                                    1KB

                                    MD5

                                    c4d86e4b1d61ed304a9ec0d1835726bf

                                    SHA1

                                    ed1ff53e9298d3ebba445a390e3cf634218f830b

                                    SHA256

                                    f2e27511bd3810f694911da9f163f7afc673c11a25d83b52bb51310abf1a91d9

                                    SHA512

                                    28f814299050b177e8299abac1c3e84f1097899a32f081fa4cf1fd1041a290d423fafbf305932f8499f9635b9b8acbdd1245eb79e4524702cc41b845a6406393

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

                                    Filesize

                                    5KB

                                    MD5

                                    54bdfe86c51ff80a8e5d3e51ca27b30c

                                    SHA1

                                    5b4d00e41c41a5bfd5e6c3cf435abd40f2839b5b

                                    SHA256

                                    48d236f757ae6136f22ffb5272070e74beac32064fc5165c2cee1695eb715cf3

                                    SHA512

                                    62fe568562dffc10653b1fd825d1a6da8276ab5cca3fdb10389c9f3f951fc7aa6f533775822d77924daf85a879b4276b213ff2539dce24c1c362c045c8f2f36a

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

                                    Filesize

                                    6KB

                                    MD5

                                    7f5175ffd5455d93ea860cb02ff21936

                                    SHA1

                                    e036dbf9f291942820c2b15fb802135424da2505

                                    SHA256

                                    1a2b836e6052d922c3394a1f33cf22aeeba6c96c432ebbf1f123557a6e203af8

                                    SHA512

                                    06c53858b4f69119579d6f775cda9bec236a68605fa1e94fb963f31ca59e0c791342329959172aa597a968ef1754f846e4f1deb88e78275746a00a6f3706e853

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

                                    Filesize

                                    6KB

                                    MD5

                                    f0b7afe74253abbb5bc34dc72fa5b921

                                    SHA1

                                    75c46301ebadc8ce52c7d83d4d1517978095ef4d

                                    SHA256

                                    033a9cd2747c6d2a951e1bf02bfa15c793964419c6057e4109eec87469f74a68

                                    SHA512

                                    d263c20b337f03a7e6c635136f04749dfac1e038b7054881d25b3f545317dd823308073a3cb34bc703731d750ba70300faaa9dea7012285b3a84eb06903a23b8

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

                                    Filesize

                                    874B

                                    MD5

                                    edc62bb5b3af0c725179ca9613c9a429

                                    SHA1

                                    d57dd26bc00dbb22bb22a001c5efdb9b51b7ce6c

                                    SHA256

                                    858dc81fc20ac6b9259ec471a385a2631215b957dec3398d5db08ce90495ca4b

                                    SHA512

                                    0b3fa23f70610281bd0f85a0f295dc0950f9ff0bfe91a35b9f83a7efa0971dc36c2c082b77bc489d49a9d7a87ecc2c835b05fa09184f43778c73c038285dd06a

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe57cdc0.TMP

                                    Filesize

                                    874B

                                    MD5

                                    f1ed49cc1bd631e8aaee52522735db06

                                    SHA1

                                    94c3fec24d43f8908806b02cc563e12d0d7be3bd

                                    SHA256

                                    48e4e3aa260a3740b9e54c734afae3d82f210a25781268e2e4146b10d47385be

                                    SHA512

                                    e52764dc926eaf847098f23e9b6238d76d6fa483aae63cca38174c0c47e1c1bb9aad26f1ba14a1a39486db19795ab0bd5adfba51e84f399e8b926b57465005a9

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                    Filesize

                                    16B

                                    MD5

                                    6752a1d65b201c13b62ea44016eb221f

                                    SHA1

                                    58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                    SHA256

                                    0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                    SHA512

                                    9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                                    Filesize

                                    11KB

                                    MD5

                                    f9d9f61418aac4d2eac0e60cd6e6e9be

                                    SHA1

                                    9861481eaad57173104e39c01aecad6e32d5c0b5

                                    SHA256

                                    18bbf3219f10cc7ebffc2bf97185b63194f12eda8e5a2a1291e0026a5f84852f

                                    SHA512

                                    4d4bf30502dfc6e13984f2cd817022ab505420806fb08f61ca0b7c908bdee8c9e0e7d8decdb936d0623fbfe91b3975ef7f5bdfedba2cd3b5e76075a4c2654c45

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

                                    Filesize

                                    11KB

                                    MD5

                                    b2a0354190060a82713ee3a90f9ca24d

                                    SHA1

                                    4c99851ed562b325b2a0c92f20b0090984f023e2

                                    SHA256

                                    3dd3bf2ae742f1cb95ff799ce25d71d46bad097b54c8eccfb56c694a955f36f3

                                    SHA512

                                    54cd462aafa8741096c4f94ea674003a68231e027d71cd0da3d8d8236189c06cadd71840dca241811e96936cfa23b3aa87a08be3780a7baae7768f82b7e6f477

                                  • C:\Users\Admin\Downloads\Unconfirmed 772894.crdownload

                                    Filesize

                                    17.4MB

                                    MD5

                                    efd88c8bb5f2cf4f992f8d9069cab941

                                    SHA1

                                    f395f08785ed4309df4619cc77ba10395ce851e1

                                    SHA256

                                    a964201b566632ce76139f1a34be92a4d9c8166546426d64a6b1795cf52669b6

                                    SHA512

                                    8ecc5a44c807cd4406eff3c2d9279b3239588b34472006488bcedb5932e370d1d44c29e5d60440a2e0a88a24c88e3c5c4c127c89fc9a469bd8b74b780596c5fe