Analysis

  • max time kernel
    92s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    01-04-2023 22:31

General

  • Target

    scratchblocks.png

  • Size

    78KB

  • MD5

    8ce58dd26b33ca32a1c331d2a6c70ff5

  • SHA1

    57a0743c8e7753f32f89208cbfceef809e12445e

  • SHA256

    122a8a208755879ff6c33f39e3cc00e236fa92621c595961871b59fc8d192a4c

  • SHA512

    c21ddf0d344839a71e5892f9e29fa271f010bf5eb4cb8ded1991c45e8d1f66b9bfb0822a0540ca2739cc4777718ba200a99aab554880f5ed5d9ba5dbd9bd1b14

  • SSDEEP

    1536:UwNXg9u363WFV9HZbjSINhZYzoQFNfBQF5C5W2:UwNYu3FTtjSAuzjFlBQmg2

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe "C:\Program Files\Windows Photo Viewer\PhotoViewer.dll", ImageView_Fullscreen C:\Users\Admin\AppData\Local\Temp\scratchblocks.png
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1988
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
    1⤵
      PID:1692
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
      1⤵
        PID:1864
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x484
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1280
      • 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 use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1696
        • 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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef5eb9758,0x7fef5eb9768,0x7fef5eb9778
          2⤵
            PID:340
          • 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=1172 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:2
            2⤵
              PID:1872
            • 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=1472 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:8
              2⤵
                PID:1952
              • 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=utility --mojo-platform-channel-handle=1608 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:8
                2⤵
                  PID:1244
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2280 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:1
                  2⤵
                    PID:2044
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2248 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:1
                    2⤵
                      PID:1548
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1416 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:2
                      2⤵
                        PID:2248
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3604 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:1
                        2⤵
                          PID:2324
                        • 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=3856 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:8
                          2⤵
                            PID:2340
                          • 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=3968 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:8
                            2⤵
                              PID:2348
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=4120 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:1
                              2⤵
                                PID:2552
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=4428 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:1
                                2⤵
                                  PID:2680
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=2620 --field-trial-handle=1196,i,9789229565078731455,11183971829816647559,131072 /prefetch:8
                                  2⤵
                                    PID:2852
                                • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                  "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                  1⤵
                                    PID:2008

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  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\IndexedDB\https_www.youtube.com_0.indexeddb.leveldb\CURRENT~RF6dd8a4.TMP

                                    Filesize

                                    16B

                                    MD5

                                    46295cac801e5d4857d09837238a6394

                                    SHA1

                                    44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                    SHA256

                                    0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                    SHA512

                                    8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                    Filesize

                                    363B

                                    MD5

                                    b83a4139adfd2204fd9e8016e236a28f

                                    SHA1

                                    68395f7d37b8ae5da91a5aa46d88f7e292d6960b

                                    SHA256

                                    e8dd2884b3949215ac98403ee39bddb4d77c476f5eccbbfea4bd8bfcb5e0390f

                                    SHA512

                                    eb646a0e16bb5b1949006e4a80af87443cf7b411c13c6595c1cf72084eeb5fbc49834f73e7db61579fc5665abb75aae14afe2e9d3fa6a2ae7db1c1db16b26992

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

                                    Filesize

                                    1018B

                                    MD5

                                    3c4ee7630f33749b72717e5b2b760f28

                                    SHA1

                                    113f0dc7a2b10fbf63882cd948cd276c00ad3a1a

                                    SHA256

                                    08b0404edf91b8e7266fb6be0a210698be808564d10e4aa9faa891c450ac3c16

                                    SHA512

                                    66dc32fbd9b0bec5ea7786d52e0c705334e30d948915edb6545bbfee63df38d88dfb35d6ae17714deb34ee1c9e2e30a891bcf8345f43fc399510275103d0e044

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

                                    Filesize

                                    4KB

                                    MD5

                                    e977b9edb8c09ad5e9c13e9771ada420

                                    SHA1

                                    d32f07114ef821009071fa0f7f0c947ec5a88564

                                    SHA256

                                    3b70dfd61181025f0e61649ca2d4f353e51df706dfa22015f372e152df474cfd

                                    SHA512

                                    9872091fa575c6b2c26002c03025aa43170ac7816cab8dc477162e01ee31d980c3c2917a90e13ee699530bd76cb09e1718876d545ecf62672080ee31b922bd09

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\CacheStorage\379f1cbab5b08b6fc9e08681e42d8be311441c88\index.txt

                                    Filesize

                                    56B

                                    MD5

                                    ae1bccd6831ebfe5ad03b482ee266e4f

                                    SHA1

                                    01f4179f48f1af383b275d7ee338dd160b6f558a

                                    SHA256

                                    1b11047e738f76c94c9d15ee981ec46b286a54def1a7852ca1ade7f908988649

                                    SHA512

                                    baf7ff6747f30e542c254f46a9678b9dbf42312933962c391b79eca6fcb615e4ba9283c00f554d6021e594f18c087899bc9b5362c41c0d6f862bba7fb9f83038

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\CacheStorage\379f1cbab5b08b6fc9e08681e42d8be311441c88\index.txt

                                    Filesize

                                    129B

                                    MD5

                                    076ba4687dbe4aa9b896a4e2756a372b

                                    SHA1

                                    f9750429e871e33ba0c98d2a20978e802999a9e2

                                    SHA256

                                    ded4068862629da60ba80266eae6113a271f597997de6ba118478649bcc1947c

                                    SHA512

                                    1ca76e7252d1eec0a32304d2bd0185446b18b5a40d36f470c6e8802e2b0c8a3e1d87cc519a7a81a0213f6bd917b3b01de12dee0c9902129f9c92d3075e3c1b4b

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\Database\000002.dbtmp

                                    Filesize

                                    16B

                                    MD5

                                    206702161f94c5cd39fadd03f4014d98

                                    SHA1

                                    bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                    SHA256

                                    1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                    SHA512

                                    0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000004.dbtmp

                                    Filesize

                                    16B

                                    MD5

                                    6752a1d65b201c13b62ea44016eb221f

                                    SHA1

                                    58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                    SHA256

                                    0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                    SHA512

                                    9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                                    Filesize

                                    173KB

                                    MD5

                                    9722e392bd8924972004524a34233efa

                                    SHA1

                                    987a63babe919f93b759148cc0fc8a9c911c6766

                                    SHA256

                                    54a23a96a6a91153a96dba78ea6b489b839ed9fd50045472a11b19719b04b703

                                    SHA512

                                    28ea849be3143157bf82602fa69e0c8014c236634a54c425e28ff5253bd62be25b10935442d390948f63b9ed38cf9d038b31cf355acbd5c2680cb3bd6388b931

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

                                    Filesize

                                    173KB

                                    MD5

                                    129212de6d5fa3c173709bd0728368a3

                                    SHA1

                                    f4b15b1024ac577fe02db3cbcba240d172400ba9

                                    SHA256

                                    8e0db6a5ff4092d8dcaf9d38d0e6995567ddb44cdcd61ca850590623bd411058

                                    SHA512

                                    bafd4a1fb75706cd8da6cd74b8b8b999731df416104257035263a3eb413304212932e8f3066e6bb6b3853917391034f3c9e56ef1262583f2e31a93739c9a3a24

                                  • memory/1988-54-0x0000000000410000-0x0000000000411000-memory.dmp

                                    Filesize

                                    4KB