Analysis

  • max time kernel
    147s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 10:40

General

  • Target

    231120-2wnhksbd2z.exe

  • Size

    135KB

  • MD5

    511aa2f2fe6196e032ec7fef83bb8d95

  • SHA1

    ce874f517d335a1e1ab0df99111df1d3adbc0d21

  • SHA256

    f2c9ae3735430b930a81148c0bb470fcb733e456a2a942f859a1b59c4a7b2150

  • SHA512

    78a4771ab5e531420a45338ae27a5a4dad11b50385964a739e7ecec2c55d3ee47cde148dfc1e82ce7e8b8eb8a04a7f9b784cdd640e490a84bc8ce621d2f8d1c0

  • SSDEEP

    3072:VV2vxw88jLtbMmJ2RqRADLK1iJ1/NvdOgecZlw/C:VV2v503kRqRuL0iJ1FdLec9

Score
10/10

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\231120-2wnhksbd2z.exe
    "C:\Users\Admin\AppData\Local\Temp\231120-2wnhksbd2z.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\_HELP_instructions.html
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4140
      • 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,0x100,0x104,0xd8,0x108,0x7ff84c3346f8,0x7ff84c334708,0x7ff84c334718
        3⤵
          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=2112,7599731819629497230,9799093400502395121,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2104 /prefetch:2
          3⤵
            PID:1428
          • 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=2112,7599731819629497230,9799093400502395121,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2188 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3716
          • 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=2112,7599731819629497230,9799093400502395121,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2808 /prefetch:8
            3⤵
              PID:4036
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7599731819629497230,9799093400502395121,131072 --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=3280 /prefetch:1
              3⤵
                PID:3760
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7599731819629497230,9799093400502395121,131072 --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=3296 /prefetch:1
                3⤵
                  PID:4032
                • 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=2112,7599731819629497230,9799093400502395121,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5012 /prefetch:8
                  3⤵
                    PID:3452
                  • 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=2112,7599731819629497230,9799093400502395121,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5012 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3244
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7599731819629497230,9799093400502395121,131072 --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=5056 /prefetch:1
                    3⤵
                      PID:4364
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7599731819629497230,9799093400502395121,131072 --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=5024 /prefetch:1
                      3⤵
                        PID:3668
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7599731819629497230,9799093400502395121,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3484 /prefetch:1
                        3⤵
                          PID:2712
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,7599731819629497230,9799093400502395121,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3540 /prefetch:1
                          3⤵
                            PID:2832
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\231120-2wnhksbd2z.exe"
                          2⤵
                            PID:1652
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:464
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:2612

                            Network

                            MITRE ATT&CK Matrix ATT&CK v13

                            Defense Evasion

                            Modify Registry

                            1
                            T1112

                            Discovery

                            System Information Discovery

                            2
                            T1082

                            Query Registry

                            1
                            T1012

                            Impact

                            Defacement

                            1
                            T1491

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

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

                              152B

                              MD5

                              5c6aef82e50d05ffc0cf52a6c6d69c91

                              SHA1

                              c203efe5b45b0630fee7bd364fe7d63b769e2351

                              SHA256

                              d9068cf3d04d62a9fb1cdd4c3cf7c263920159171d1b84cb49eff7cf4ed5bc32

                              SHA512

                              77ad48936e8c3ee107a121e0b2d1216723407f76872e85c36413237ca1c47b8c40038b8a6349b072bbcc6a29e27ddda77cf686fa97569f4d86531e6b2ac485ed

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

                              152B

                              MD5

                              7c6136bc98a5aedca2ea3004e9fbe67d

                              SHA1

                              74318d997f4c9c351eef86d040bc9b085ce1ad4f

                              SHA256

                              50c3bd40caf7e9a82496a710f58804aa3536b44d57e2ee5e2af028cbebc6c2f2

                              SHA512

                              2d2fb839321c56e4cb80562e9a1daa4baf48924d635729dc5504a26462796919906f0097dd1fc7fd053394c0eea13c25219dec54ffe6e9abb6e8cb9afa66bada

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

                              6KB

                              MD5

                              82ba7c9ae11e6041aac1570151889fdc

                              SHA1

                              3051dd7258c9ef6f0ea0e5ede4b420c0b6e947d7

                              SHA256

                              a644eb704779cf9d959a0f7576fa95b5dbf5e76a2c5df3b2e44cb13adae124f9

                              SHA512

                              d21d62abd7b17c5a934c2e3974e3497c4f4c45bf81ee2ffe88f08348999599ea1da0656dcea2abce8a16ccd53b93e86589797c99bc80bd1764318eca7a41890a

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

                              6KB

                              MD5

                              8319ff5db6fdeb9114a9d474045c0cf1

                              SHA1

                              95d375d683655eec680b71d3cd281bc432875445

                              SHA256

                              d9ced27f136cdfb30d9ccb664c21e75d8b4fd212ddc37814c7ef8e6fbf40268f

                              SHA512

                              eee19d8a2ec1784466d778b19e6d9c1b29574cb08d1f9e8531a13a9c98442c620e83dbd021c62026150237eb9339cd881621e5302db5df13b0a709592285d407

                            • 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

                              4c61fcdc67e5f9c59142b0bb0b9aec8c

                              SHA1

                              b7536f291a953faa71fbef4e331c5b1c2cd400df

                              SHA256

                              ae3a012cdc72d4aeb37ef6fae53f72f7b3640680c37b490aa0b0b579f639db32

                              SHA512

                              543533bd71f72574e75fb1657f64b3de2682dcf265400f8343b4f50abf93c50577d7dce7f302993e1a6766d9726d2fd0f4ce0fcf59f958875ccc50b7c52f1ddc

                            • C:\Users\Admin\Music\_4_HELP_instructions.html
                              Filesize

                              9KB

                              MD5

                              455bb7bf11f80e3eec09b463f149bb7f

                              SHA1

                              dfdb9edaf6f0da4b26ecf62da38ee657f94520e0

                              SHA256

                              384bb8fd581d927c7b4b34461ead89d81a948a014c39e614922f6f4f5d01518e

                              SHA512

                              656a67fdd7f95d8cd952e703d316158df8e1571bc8355a16aee3be8a0f3aee869b8e4f8b4f8660ba18ecc7b484ffaf43142ca58094cbf14aaa1eea23bd24c7c9

                            • \??\pipe\LOCAL\crashpad_4140_JBZTJZMMAQDRIVTU
                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/3104-11-0x0000000002890000-0x00000000028B6000-memory.dmp
                              Filesize

                              152KB

                            • memory/3104-269-0x0000000002890000-0x00000000028B6000-memory.dmp
                              Filesize

                              152KB

                            • memory/3104-275-0x0000000002890000-0x00000000028B6000-memory.dmp
                              Filesize

                              152KB

                            • memory/3104-10-0x0000000002890000-0x00000000028B6000-memory.dmp
                              Filesize

                              152KB

                            • memory/3104-0-0x00000000777E2000-0x00000000777E3000-memory.dmp
                              Filesize

                              4KB

                            • memory/3104-9-0x0000000002890000-0x00000000028B6000-memory.dmp
                              Filesize

                              152KB

                            • memory/3104-5-0x0000000002890000-0x00000000028B6000-memory.dmp
                              Filesize

                              152KB

                            • memory/3104-3-0x0000000000220000-0x0000000000246000-memory.dmp
                              Filesize

                              152KB

                            • memory/3104-2-0x0000000002860000-0x0000000002861000-memory.dmp
                              Filesize

                              4KB

                            • memory/3104-1-0x0000000002890000-0x00000000028B6000-memory.dmp
                              Filesize

                              152KB