Resubmissions

25-09-2024 18:26

240925-w3jv3szfrp 6

Analysis

  • max time kernel
    61s
  • max time network
    63s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 18:26

General

  • Target

    https://tinyurl.com/szip11aug24

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 16 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 43 IoCs
  • Suspicious use of SendNotifyMessage 32 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://tinyurl.com/szip11aug24
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3300
    • 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,0x100,0x104,0xd8,0x108,0x7ffebc3c46f8,0x7ffebc3c4708,0x7ffebc3c4718
      2⤵
        PID:3016
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1892,15906562106806011419,2503474245602185860,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2060 /prefetch:2
        2⤵
          PID:4480
        • 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=1892,15906562106806011419,2503474245602185860,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2116 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:788
        • 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=1892,15906562106806011419,2503474245602185860,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2900 /prefetch:8
          2⤵
            PID:1016
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,15906562106806011419,2503474245602185860,131072 --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=3308 /prefetch:1
            2⤵
              PID:2152
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,15906562106806011419,2503474245602185860,131072 --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=3340 /prefetch:1
              2⤵
                PID:5080
              • 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=1892,15906562106806011419,2503474245602185860,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5000 /prefetch:8
                2⤵
                  PID:656
                • 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=1892,15906562106806011419,2503474245602185860,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5000 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3576
                • 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=1892,15906562106806011419,2503474245602185860,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5232 /prefetch:8
                  2⤵
                    PID:4068
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,15906562106806011419,2503474245602185860,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5860 /prefetch:1
                    2⤵
                      PID:3972
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,15906562106806011419,2503474245602185860,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5840 /prefetch:1
                      2⤵
                        PID:2924
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,15906562106806011419,2503474245602185860,131072 --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=5148 /prefetch:1
                        2⤵
                          PID:2728
                        • 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=1892,15906562106806011419,2503474245602185860,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3436 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4500
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,15906562106806011419,2503474245602185860,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5976 /prefetch:1
                          2⤵
                            PID:2932
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1892,15906562106806011419,2503474245602185860,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6224 /prefetch:1
                            2⤵
                              PID:1000
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:2752
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3048
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:2116
                                • C:\Users\Admin\Desktop\Solara\Solara.exe
                                  "C:\Users\Admin\Desktop\Solara\Solara.exe"
                                  1⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:5064
                                • C:\Users\Admin\Desktop\Solara\Solara.exe
                                  "C:\Users\Admin\Desktop\Solara\Solara.exe"
                                  1⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:2644
                                • C:\Users\Admin\Desktop\Solara\Solara.exe
                                  "C:\Users\Admin\Desktop\Solara\Solara.exe"
                                  1⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:2548
                                • C:\Windows\system32\NOTEPAD.EXE
                                  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\Solara\bin\version.txt
                                  1⤵
                                  • Opens file in notepad (likely ransom note)
                                  PID:5204
                                • C:\Users\Admin\Desktop\Solara\Solara.exe
                                  "C:\Users\Admin\Desktop\Solara\Solara.exe"
                                  1⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:5308

                                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

                                  ecf7ca53c80b5245e35839009d12f866

                                  SHA1

                                  a7af77cf31d410708ebd35a232a80bddfb0615bb

                                  SHA256

                                  882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

                                  SHA512

                                  706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

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

                                  Filesize

                                  152B

                                  MD5

                                  4dd2754d1bea40445984d65abee82b21

                                  SHA1

                                  4b6a5658bae9a784a370a115fbb4a12e92bd3390

                                  SHA256

                                  183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

                                  SHA512

                                  92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

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

                                  Filesize

                                  6KB

                                  MD5

                                  9163f0373a816755bff68e03034d4c16

                                  SHA1

                                  bfb4415d61eda145014405cb22538965a5652e00

                                  SHA256

                                  47c634ba01f0ea9e8cb70da10261e3df62d1ef443abbc894ce59caf1cf901d1b

                                  SHA512

                                  3e9b4763dc1f28493f2e9534e83f984e47d086461f2de03331158c6603662943108987dc6da63586030dd29971a8d97a0f476faceec5981c450583863f9a6eba

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

                                  Filesize

                                  5KB

                                  MD5

                                  c1be6e43be2ed84ba221247a8e361135

                                  SHA1

                                  8ab550f6a40b549bacd6a182ed8387759c8df3d2

                                  SHA256

                                  f77b23ec0d7995fd6674d4fa2a712d746c99a3b480392816f68904795ee6b204

                                  SHA512

                                  1b9fe06913d945aa56791b2276ac3fcd3084ef96465c9533337c078f9829dcee66b949a15313584fa063fbb5096b6507a5f0e31abf8d2bb37df5008450c24a52

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

                                  Filesize

                                  6KB

                                  MD5

                                  e7b01662e716954736a6f9835adb1dde

                                  SHA1

                                  8239b780a5ae210b758bcb9ff9ffe39126a91d49

                                  SHA256

                                  8adbd84504f814d1e8c079636469f882fbbf70aa3f774ae46659a0bdab425d34

                                  SHA512

                                  e6492e31de4cce2282fe6d236273b2ea6fea4fa1e79a08491061b1506b5a7391e7965bee511f7951ee8abff54511e8abc83d344e0f014d7c49102e4aadb4754a

                                • 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

                                  10KB

                                  MD5

                                  b339948ab532fc590b7d60c7c10fb6cb

                                  SHA1

                                  cd77782c5343d59230b18c980a1731fd811a299a

                                  SHA256

                                  3db375ab53b4d65e117775acdf6e3deb447a38efb14878543f4d6b4c4c38c686

                                  SHA512

                                  9a390936910eef31f3874ded78bd5c17d1b63b39e1ee95b6dd83fdc70e233ae08d5d6e343908c9f05df9ae81ce391d75278deb4333efffe169a720f6d9888628

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

                                  Filesize

                                  10KB

                                  MD5

                                  17810e24bbb997ac2035f93c6a5e4678

                                  SHA1

                                  b70d0abdcc663602b9006ede9523a59a3fd54a84

                                  SHA256

                                  e867b49b65204c480ccf19fff6a6f6e243973ffc2d7c8806d85f4cdfc8f5da31

                                  SHA512

                                  128c8d9021769dd7d083439c99e03a24d61a46d6c4a208cf691e7f2b71508c5fa86d214b46b8ccc5063b35a85b71f29b0e6e7494e9c0cb7784a2c39b450c4c97

                                • C:\Users\Admin\Downloads\Solara.Dir.zip

                                  Filesize

                                  9.8MB

                                  MD5

                                  904180f536e3c47bbd61e451bb9631f7

                                  SHA1

                                  20c0e0294ec39850545b6c1844864b0339141825

                                  SHA256

                                  5a072e88942b37c1afbe54875bec5d7c830868cd9af514ea88764af9a2a10fb8

                                  SHA512

                                  806d0aa5d2e9c759f3ee6b9a3a7e7308c16a7172d9e76a8463fe696c3a941e1386ea61ce428414f9114c55a29f95d395068205c25f7591771ddad2dbec5f344c

                                • memory/5064-88-0x000001B6306A0000-0x000001B6306C4000-memory.dmp

                                  Filesize

                                  144KB

                                • memory/5064-89-0x000001B64B1C0000-0x000001B64B6FC000-memory.dmp

                                  Filesize

                                  5.2MB

                                • memory/5064-108-0x000001B64AE30000-0x000001B64AEEA000-memory.dmp

                                  Filesize

                                  744KB

                                • memory/5064-109-0x000001B64AEF0000-0x000001B64AFA2000-memory.dmp

                                  Filesize

                                  712KB

                                • memory/5064-110-0x000001B64ADB0000-0x000001B64ADD2000-memory.dmp

                                  Filesize

                                  136KB