Analysis

  • max time kernel
    79s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2024, 11:46

General

  • Target

    UnlockSteam/Readme.txt

  • Size

    1KB

  • MD5

    d0e3cc1db36597cb168556a6ea90a218

  • SHA1

    50dc75091dd4e60e2691886708e97c6d21090ca6

  • SHA256

    0eff33c482dd84c8391c59d42c472cd0d3ef908f57623d42132e826b1a696260

  • SHA512

    c1002035ffe3d57e6d1889993bf9e98a0b630ffc1ba5acc8651c791f7ca1ac590697d4f6074cbaaf09835f95b31b6a0c77985165a3b78c84899bb6ea77b48e68

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\UnlockSteam\Readme.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    • Suspicious use of FindShellTrayWindow
    PID:1952
  • 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:1864
    • 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,0x7fef68e9758,0x7fef68e9768,0x7fef68e9778
      2⤵
        PID:1308
      • 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=1180 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:2
        2⤵
          PID:2624
        • 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=1520 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:8
          2⤵
            PID:2588
          • 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=1544 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:8
            2⤵
              PID:2600
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2244 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:1
              2⤵
                PID:836
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2256 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:1
                2⤵
                  PID:2652
                • 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=1428 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:2
                  2⤵
                    PID:572
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3216 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:1
                    2⤵
                      PID:2772
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3680 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:8
                      2⤵
                        PID:1976
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3688 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:1
                        2⤵
                          PID:2028
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=1696 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:1
                          2⤵
                            PID:2056
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=1588 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:1
                            2⤵
                              PID:1796
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=3212 --field-trial-handle=1236,i,16336645314736437557,11017646971334629372,131072 /prefetch:1
                              2⤵
                                PID:1544
                            • 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:2912

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                                Filesize

                                215KB

                                MD5

                                e579aca9a74ae76669750d8879e16bf3

                                SHA1

                                0b8f462b46ec2b2dbaa728bea79d611411bae752

                                SHA256

                                6e51c7866705bf0098febfaf05cf4652f96e69ac806c837bfb1199b6e21e6aaf

                                SHA512

                                df22f1dff74631bc14433499d1f61609de71e425410067fd08ec193d100b70d98672228906081c309a06bcba03c097ace885240a3ce71e0da4fdb8a022fc9640

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000002

                                Filesize

                                41KB

                                MD5

                                503766d5e5838b4fcadf8c3f72e43605

                                SHA1

                                6c8b2fa17150d77929b7dc183d8363f12ff81f59

                                SHA256

                                c53b8a39416067f4d70c21be02ca9c84724b1c525d34e7910482b64d8e301cf9

                                SHA512

                                5ead599ae1410a5c0e09ee73d0fdf8e8a75864ab6ce12f0777b2938fd54df62993767249f5121af97aa629d8f7c5eae182214b6f67117476e1e2b9a72f34e0b4

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\a0b914e14ac8b238_0

                                Filesize

                                19KB

                                MD5

                                9a32b1134194de18a2c6306091f290a0

                                SHA1

                                82487f3a46a19cfb7f202e0b644666430a7cde34

                                SHA256

                                e7426767bd765c69d8ca8af7f4ba26eb5016be9340565047a8559a628b27495b

                                SHA512

                                fdc13e51527d6d02e5e8a6678daa633a533299fb9e6d7bd7f95f9d87fcc45162e5c46e54980304b512793c7af4900ef94986d0d53bf7bb84ba8a56d86f8b616a

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\e90f3de079e4d23f_0

                                Filesize

                                280B

                                MD5

                                7e4384a09bacc377eb283d480ff4bef5

                                SHA1

                                f4ef11af75918a0550bba96b8f05e515df0a930b

                                SHA256

                                d750b672cf8848c1234583d4d6a863f85f746b9320c4a25f966c8c552be4562c

                                SHA512

                                4dca8926f43a32e4ff7c0641f32bf1a8dc795c49e42846f7b7fd611264ecfa6944f2d7cb156c06ac911b3201aa5517f9be8b1b3c2b28e865253fe870475968c8

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

                                Filesize

                                168B

                                MD5

                                7ccd87484bd325601af7b1b3304224ef

                                SHA1

                                fe03c25dd52b52d8757f1a8e016c25092268a26c

                                SHA256

                                f44db765aba9f6416860e011c406402395a1a934f826654fc86b990b6f04838f

                                SHA512

                                9671faac808b3ed5686d088a01375fd7108b1c2dfcc0c1350422850890523a95b96a8e0605ccf1a4e85a3d98295a8076349e3df51165f2b6c1de63159ba71496

                              • 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\TransportSecurity

                                Filesize

                                363B

                                MD5

                                fd15bfd55c41508d878cc9d8df66c63a

                                SHA1

                                6696339fc26ac60ad1d0cc4369e166c0e2baa1ac

                                SHA256

                                3b703b4eba25e1f87c028c884ea9a8d35441838e26a1ebe7e42ee5c7e3f499cc

                                SHA512

                                a07ed1c49ea324145d87a852ca86048b0294937ca1d871f90b332748bcc316bc08032d4d2818fd489e2a39831748b5ab774012b2bd24ea14ca2875e64ecbe634

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

                                Filesize

                                363B

                                MD5

                                cc42c1b758c96a7d90cb4294df2bd88f

                                SHA1

                                a2560c28af364ff57df0cb249f31cf125d6e6728

                                SHA256

                                ee54c1801a9329eba870e8e1a29096ef35ac6c8a664b9f53d6e252039af4ce34

                                SHA512

                                3c6035f29ef5598664c31fe5dfe46d8b5608d90185716edc7f5fd1bd0af60884dce0521a536e2a99591809e7101804594b4fe2551b3d8138ed21e84093dde0e9

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

                                Filesize

                                5KB

                                MD5

                                8d42125c6296a6e2cfab6b798c07704b

                                SHA1

                                52f885fecc25ec363230d7a21f2db85cb0a10e94

                                SHA256

                                2f8eb84d7983d77c52b0bba319eb8868eeea30e43aa2bc00c1894cd72c1770d8

                                SHA512

                                a3e9ec55c9dc41a87a304095355691bb4d2f5f8a93197aa8a37115a756806308268cae5d2a73163911f8d8fd2647d2e7a4cc8ddfa99cf7550101b4f52ee338f0

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

                                Filesize

                                5KB

                                MD5

                                fe204ba0bfb1c574b0e3df7b6eb378c4

                                SHA1

                                bcfb0c57357ac7c1652bc6b85b636050897cbeb8

                                SHA256

                                03236ccf17f0b7e2557e5695a64c8d8440cd44a3c048ec8ed8ee38950c406a30

                                SHA512

                                e11d1ca21a7d058e9b3875c7338d110767243d3a11e65327cf1b8da387501632fd499b01fa397a5ee496e5b06862c413e595a9b38d82d17f9c1b784b75d8131e

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

                                Filesize

                                5KB

                                MD5

                                475a67f924195d9245412c1d00eb1ccc

                                SHA1

                                488f11c5782c4c9c995a19cfd11207f86b301a79

                                SHA256

                                734abac4d5cf472548fed973dc07623b6c8aeb5dbf6ec8f15feb9ed5b6e5f38c

                                SHA512

                                3e67494c822e1d951fad25f1e94d9a65c4ccef837a524c9828fdf36e3b60534e4b06af9a245475e41783e657734ad8e79384e83d4d5c49283ddce3fe797f29cf

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

                                Filesize

                                4KB

                                MD5

                                c3e8bfc29584c039db66e3d1d3b1aca5

                                SHA1

                                17de1e2ac1a83046df5273d32261752a5b958217

                                SHA256

                                14de8c021b668ac8c530fd4098274aec1d8debab29b0d9e80fdd8e9bfbd9360a

                                SHA512

                                132cbb95632acd8ea35767de028886108cf38d496157ce3f428b819bd0d24750338f526802f30e75d143ebead3afa65c464e61da662c6363e9d539075b21fcd7

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                                Filesize

                                16B

                                MD5

                                18e723571b00fb1694a3bad6c78e4054

                                SHA1

                                afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                SHA256

                                8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                SHA512

                                43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                                Filesize

                                332KB

                                MD5

                                c5e6fbda457f4423bb3f356dcb1477d9

                                SHA1

                                7c6fb5eb5c11f04d1e97a92520d4e10b74826132

                                SHA256

                                7a2e8a3221dbcf4991bb5c949a79cc552bd9930f767a35153ff641a876a56770

                                SHA512

                                543e5cef26d7b0b8db80f04d0a57d6c3de97b1cc07b72dd329fedd087de55cc2b587754fc6c9e7bec68a90c3a6eb6df29cb7879ffa15de798fda6202ca42d86c