Analysis

  • max time kernel
    116s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 14:00

Errors

Reason
Machine shutdown

General

  • Target

    SolaraBootstrapper.exe

  • Size

    12KB

  • MD5

    06f13f50c4580846567a644eb03a11f2

  • SHA1

    39ee712b6dfc5a29a9c641d92c7467a2c4445984

  • SHA256

    0636e8f9816b17d7cff26ef5d280ce1c1aae992cda8165c6f4574029258a08a9

  • SHA512

    f5166a295bb0960e59c176eefa89c341563fdf0eec23a45576e0ee5bf7e8271cc35eb9dd56b11d9c0bbe789f2eac112643108c46be3341fa332cfcf39b4a90b9

  • SSDEEP

    192:cDnQvi7auc35nuKdhAWVIanaLvmr/XKTxnTc1BREVXLGDlNjA:cDn97auc35tAKIanayzKto1jEVQzj

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 12 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 41 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2172
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2632
    • 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:2920
      • 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,0x7fef60b9758,0x7fef60b9768,0x7fef60b9778
        2⤵
          PID:1628
        • 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=1148 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:2
          2⤵
            PID:852
          • 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=1508 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
            2⤵
              PID:2384
            • 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=1596 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
              2⤵
                PID:2648
              • 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=2304 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:1
                2⤵
                  PID:840
                • 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=2312 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:1
                  2⤵
                    PID:2036
                  • 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=1472 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:2
                    2⤵
                      PID:3036
                    • 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=3236 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:1
                      2⤵
                        PID:796
                      • 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=3472 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
                        2⤵
                          PID:648
                        • 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=3596 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
                          2⤵
                            PID:548
                          • 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=3692 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
                            2⤵
                              PID:1736
                            • 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=1132 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:1
                              2⤵
                                PID:2552
                              • 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=1996 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
                                2⤵
                                  PID:2912
                                • 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=14 --mojo-platform-channel-handle=3444 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:1
                                  2⤵
                                    PID:2168
                                  • 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=15 --mojo-platform-channel-handle=3196 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:1
                                    2⤵
                                      PID:1904
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3828 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
                                      2⤵
                                        PID:1804
                                      • 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=3856 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
                                        2⤵
                                          PID:788
                                        • 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=576 --field-trial-handle=1188,i,11320660812841554915,12322784192738532383,131072 /prefetch:8
                                          2⤵
                                            PID:1672
                                        • 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:1836
                                          • C:\Users\Admin\AppData\Local\Temp\Temp1_SolaraB.zip\SolaraB\Solara\SolaraBootstrapper.exe
                                            "C:\Users\Admin\AppData\Local\Temp\Temp1_SolaraB.zip\SolaraB\Solara\SolaraBootstrapper.exe"
                                            1⤵
                                              PID:2468
                                            • C:\Windows\system32\LogonUI.exe
                                              "LogonUI.exe" /flags:0x0
                                              1⤵
                                                PID:1956
                                              • C:\Windows\system32\LogonUI.exe
                                                "LogonUI.exe" /flags:0x1
                                                1⤵
                                                  PID:1924

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
                                                  Filesize

                                                  68KB

                                                  MD5

                                                  29f65ba8e88c063813cc50a4ea544e93

                                                  SHA1

                                                  05a7040d5c127e68c25d81cc51271ffb8bef3568

                                                  SHA256

                                                  1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

                                                  SHA512

                                                  e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

                                                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
                                                  Filesize

                                                  304B

                                                  MD5

                                                  1f4d8f00bcffc7989aa46d5d1c7e2ffe

                                                  SHA1

                                                  08354f4a28da464fdb5a515b1d2ab1ac8520af00

                                                  SHA256

                                                  392636e612040550efa3b2422631612e085b6286fc69f821d1937335aba38739

                                                  SHA512

                                                  79817f78d4cdcc0bec583224a61bab731cb0d75e89ebe7d1be1468e3867f0c4ad238afc141d7d90acf3745b955d92f27c7c0103d46bd36c219f3b76b6a1cfba1

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

                                                  264KB

                                                  MD5

                                                  f50f89a0a91564d0b8a211f8921aa7de

                                                  SHA1

                                                  112403a17dd69d5b9018b8cede023cb3b54eab7d

                                                  SHA256

                                                  b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                                  SHA512

                                                  bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp
                                                  Filesize

                                                  16B

                                                  MD5

                                                  aefd77f47fb84fae5ea194496b44c67a

                                                  SHA1

                                                  dcfbb6a5b8d05662c4858664f81693bb7f803b82

                                                  SHA256

                                                  4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                                                  SHA512

                                                  b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

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

                                                  363B

                                                  MD5

                                                  37e97cb0263366d8466273763e10a683

                                                  SHA1

                                                  d413a3012731800cc7bc0e951700277c71d26272

                                                  SHA256

                                                  4cdf5d33cec33cbb9c13ea3e6ea2927604ebadbed98c38266427d1f036fa8850

                                                  SHA512

                                                  1de724362386c5b8754e419ee8c3ed54663adf804f86168946b02fa15efe353be09e3460deea2b8117bd627a39ee2aea788d7aab52f88e80797e2088b2e00633

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

                                                  6KB

                                                  MD5

                                                  35005472b9016890600d9a31f4398de0

                                                  SHA1

                                                  4125565d11f22a0ead2f9da6eb69143b0ea43c26

                                                  SHA256

                                                  ae4727e12ddc6a54f3a94bbef5138227e761fd60881ebd090e5acb273a851b39

                                                  SHA512

                                                  8155940b62ac1b3b4d6a8539c169e106bbfb1ca10365ea624866d6111b7b7e5b12cb6ee7c598eca553745126b7856839193a4e9a7c487d4440a897367d8f3760

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

                                                  6KB

                                                  MD5

                                                  dd4b776c3f15d440d458b123782977fc

                                                  SHA1

                                                  0e9a0ed14c3e90a770565f5c19b9238723c90276

                                                  SHA256

                                                  05851908bf9ca77fd3f53ea6170fd4a6adad1297381c294dc85af1cfd24c7383

                                                  SHA512

                                                  61da77609e60d6199f8fd7709a17a1b3576704c3d86f3656805199af76d8b5976e6d4db519c55ac006f272ff4edab2a64b77224d035d9fce181e673207f8ea01

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

                                                  5KB

                                                  MD5

                                                  a58a052a51db50eda92a45859c071569

                                                  SHA1

                                                  98c0f0b1fc8449842076050163d37cbececaa1d9

                                                  SHA256

                                                  514a0b6ad114771f0c392e144a9433dd503657a3e3c89d92a0845a5d0c9da99b

                                                  SHA512

                                                  16cbf9c3356eaa083ea2c774a1ee0dc2967d30b041497d80dddaecc639132351adafdaa5ea31c799926f6f204911ad48c850c2c90fe8f9bad72c6c2a1d601700

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

                                                  5KB

                                                  MD5

                                                  dcbbf493209e778bb35664fbf97dbf7d

                                                  SHA1

                                                  ef8cf8fa3d3ba159a042ed2224ed295d72553ff8

                                                  SHA256

                                                  1e0175bf81437d53d9519cc539bec67281756751633fccc6ee050e6099a0854f

                                                  SHA512

                                                  9b4f6d0cd055e47e319c833c56fbda2a4c13cd16d13b4ff451a78009acc5a4d68b79955ae96fa03ac697559fee9d323935e6f434cc937ee650f93f9ffe4b1f59

                                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp
                                                  Filesize

                                                  16B

                                                  MD5

                                                  18e723571b00fb1694a3bad6c78e4054

                                                  SHA1

                                                  afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                                  SHA256

                                                  8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                                  SHA512

                                                  43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                                                  267KB

                                                  MD5

                                                  33b6b39bda7cbacf10ea41f132be3ce1

                                                  SHA1

                                                  016fb183c91c09ef6f42f1a19dfc61a75786af99

                                                  SHA256

                                                  2ef52d7c8d44356ccb4570737d07d4d0226b10fd9c169d5b8eda4b80fdeac620

                                                  SHA512

                                                  bb30069c52cf011aea5e7b7c0607a5247ac2a13325c359bbb0a36d337eeede31791868de4bd36b5b93055cda2f97714b7b50af1def97a8bacb37884deff8c8e2

                                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache
                                                  Filesize

                                                  75KB

                                                  MD5

                                                  cf8b59198b018fd6200663c70e4eb0b9

                                                  SHA1

                                                  61e03d2178a2c62435bea6107e544d4e9d4a94a1

                                                  SHA256

                                                  446869560830461dce11d1d7d757b4bd3cbfb20bebd58dd2eb06f15a52b3fa4b

                                                  SHA512

                                                  f9a312b106105ee86c8263e6d9ea8fb9ebb4d682baa79361940e682ac4a5424b066094eba8f9c28be4f305f686977e87922edd852c0f2eff6463cb08effd070b

                                                • C:\Users\Admin\AppData\Local\Temp\Tar4004.tmp
                                                  Filesize

                                                  177KB

                                                  MD5

                                                  435a9ac180383f9fa094131b173a2f7b

                                                  SHA1

                                                  76944ea657a9db94f9a4bef38f88c46ed4166983

                                                  SHA256

                                                  67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

                                                  SHA512

                                                  1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

                                                • \??\pipe\crashpad_2920_LDACOXGXCJDSRXFS
                                                  MD5

                                                  d41d8cd98f00b204e9800998ecf8427e

                                                  SHA1

                                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                  SHA256

                                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                  SHA512

                                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                • memory/2172-0-0x000000007469E000-0x000000007469F000-memory.dmp
                                                  Filesize

                                                  4KB

                                                • memory/2172-3-0x0000000074690000-0x0000000074D7E000-memory.dmp
                                                  Filesize

                                                  6.9MB

                                                • memory/2172-2-0x0000000074690000-0x0000000074D7E000-memory.dmp
                                                  Filesize

                                                  6.9MB

                                                • memory/2172-1-0x0000000000880000-0x000000000088A000-memory.dmp
                                                  Filesize

                                                  40KB

                                                • memory/2468-320-0x0000000000FB0000-0x0000000000FBA000-memory.dmp
                                                  Filesize

                                                  40KB