Resubmissions

12-06-2024 08:28

240612-kcy2jawckj 10

10-06-2024 17:27

240610-v1ktxsvbpk 10

Analysis

  • max time kernel
    30s
  • max time network
    34s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-06-2024 17:27

General

  • Target

    Mydoom/c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe

  • Size

    856KB

  • MD5

    733766ff5495f04d82744291993eb69e

  • SHA1

    2830778313fd7fccc6c8129d419b1757368078fd

  • SHA256

    c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef

  • SHA512

    cf3bf548e743894888ba3ea191a289f09d9f36215e1306aa21e61f0ea81473eec6df01a6e7f05f9251ecb9cc71c654934a53d4916c4152bf8fa4a95119e98cf2

  • SSDEEP

    12288:0zqKbHTadreUv6e2faqsW8lEsbjwepi8K2cE4b5wxH5/uek6JA6QfmpFiMtMv7u3:yPaFnCec8vj1p7pc5bQZ/uesmoqt7jF

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mydoom\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe
    "C:\Users\Admin\AppData\Local\Temp\Mydoom\c03431309015563257e5e118656d07ce136f151339054b9f66894ecf9dde9aef.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.gusanito.com/esp/tarjetas/postales/buenos_deseos/excelente_dia/974
      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:1768
      • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff91b4c3cb8,0x7ff91b4c3cc8,0x7ff91b4c3cd8
        3⤵
          PID:3152
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1932 /prefetch:2
          3⤵
            PID:5092
          • 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=1916,13740312373340387721,8340672552699490303,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2288 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2780
          • 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=1916,13740312373340387721,8340672552699490303,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2804 /prefetch:8
            3⤵
              PID:2960
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --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=3200 /prefetch:1
              3⤵
                PID:892
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --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=3208 /prefetch:1
                3⤵
                  PID:1064
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4192 /prefetch:1
                  3⤵
                    PID:2404
                  • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3492 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2036
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --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=4644 /prefetch:1
                    3⤵
                      PID:1588
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4800 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1020
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4488 /prefetch:1
                      3⤵
                        PID:3936
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5040 /prefetch:1
                        3⤵
                          PID:2908
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,13740312373340387721,8340672552699490303,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5340 /prefetch:1
                          3⤵
                            PID:864
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:700
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:2764

                          Network

                          MITRE ATT&CK Matrix ATT&CK v13

                          Persistence

                          Boot or Logon Autostart Execution

                          1
                          T1547

                          Registry Run Keys / Startup Folder

                          1
                          T1547.001

                          Pre-OS Boot

                          1
                          T1542

                          Bootkit

                          1
                          T1542.003

                          Privilege Escalation

                          Boot or Logon Autostart Execution

                          1
                          T1547

                          Registry Run Keys / Startup Folder

                          1
                          T1547.001

                          Defense Evasion

                          Modify Registry

                          1
                          T1112

                          Pre-OS Boot

                          1
                          T1542

                          Bootkit

                          1
                          T1542.003

                          Discovery

                          System Information Discovery

                          2
                          T1082

                          Query Registry

                          1
                          T1012

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

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

                            152B

                            MD5

                            390187670cb1e0eb022f4f7735263e82

                            SHA1

                            ea1401ccf6bf54e688a0dc9e6946eae7353b26f1

                            SHA256

                            3e6c56356d6509a3fd4b2403555be55e251f4a962379b29735c1203e57230947

                            SHA512

                            602f64d74096d4fb7a23b23374603246d42b17cc854835e3b2f4d464997b73f289a3b40eb690e3ee707829d4ff886865e982f72155d96be6bc00166f44878062

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

                            152B

                            MD5

                            8294f1821fd3419c0a42b389d19ecfc6

                            SHA1

                            cd4982751377c2904a1d3c58e801fa013ea27533

                            SHA256

                            92a96c9309023c8b9e1396ff41f7d9d3ff8a3687972e76b9ebd70b04e3bf223a

                            SHA512

                            372d369f7ad1b0e07200d3aa6b2cfce5beafa7a97f63932d4c9b3b01a0e8b7eb39881867f87ded55a9973abea973b2d2c9b6fc4892f81cec644702b9edb1566d

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

                            5KB

                            MD5

                            89a0dadfca2b64548916d800511c515f

                            SHA1

                            0dd28f3036b866fe21a67d3980d8b7f9ff73039a

                            SHA256

                            ec81c2f2a05ad8cc2330d22866da26d0a860d7cfe71fd9ceecd16063018c6cbe

                            SHA512

                            a5a45f461d7bffc2b3b3aaa7aa116603195520c3e74b5b97453c97c7de74f1705bc9e3e6b0683e39086d23da083e5f98cd5d624097dbfd162048f8c6590d58e3

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

                            16B

                            MD5

                            46295cac801e5d4857d09837238a6394

                            SHA1

                            44e0fa1b517dbf802b18faf0785eeea6ac51594b

                            SHA256

                            0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                            SHA512

                            8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                            16B

                            MD5

                            206702161f94c5cd39fadd03f4014d98

                            SHA1

                            bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                            SHA256

                            1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                            SHA512

                            0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                            8KB

                            MD5

                            fb46293d2f750fe2789025de7bb7cea4

                            SHA1

                            849238e8461c42db985726670690292ab972f1ec

                            SHA256

                            988a38ac05b3d012fe90eb5f8fe43e84aa8d50f846559e9d651f9fb9521acf06

                            SHA512

                            80f91963625354b928dd93064b2b289ef89b1df94ba08202073df08ff3a001331b4d38e55ba9413129a60d5ea59a6639370bc5cd9546e1a021106d92063e44d8

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

                            8KB

                            MD5

                            31079ffa39dd0b78e3c7b31d17fc25a7

                            SHA1

                            0230e8b1480948d7367b0919dcf45842fd00f8d5

                            SHA256

                            75991d377af4662ad990c86c1498d1b3129430f999e8e317e6e7fd6de537a722

                            SHA512

                            73b634f0b15c087b5e8bd13a9ee5bedc93184a29f5a0bccf7d123346bb5d261984f83c53a8732f34f251c2668a1226123e7c5ca31deb282c891abea9a9ec0f41

                          • C:\Windows\csrss.dll
                            Filesize

                            655KB

                            MD5

                            7dd38f8951c2fa66a1291c7d297e1947

                            SHA1

                            a3feb1be32160c5196bba30830c1543958ac0045

                            SHA256

                            c6e185606e9ed62db354b8b8a298f470c01dcce8c5a4f409bfc5b918b5fd1c09

                            SHA512

                            cf6575bbcf7c8442e98d3e05519c79eb58a1e268acd1b66ce1fd8e9e8192a3791ce02474e5a41c4848644806dbeccb40dba93e6ad57bb37a5fa78528df0536f6

                          • \??\pipe\LOCAL\crashpad_1768_CTTJRCVRZHWPVQGW
                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                          • memory/1740-27-0x0000000010000000-0x00000000100B8000-memory.dmp
                            Filesize

                            736KB

                          • memory/1740-29-0x0000000010000000-0x00000000100B8000-memory.dmp
                            Filesize

                            736KB

                          • memory/1740-30-0x0000000010000000-0x00000000100B8000-memory.dmp
                            Filesize

                            736KB

                          • memory/1740-28-0x0000000010000000-0x00000000100B8000-memory.dmp
                            Filesize

                            736KB

                          • memory/1740-34-0x0000000000790000-0x0000000000874000-memory.dmp
                            Filesize

                            912KB

                          • memory/1740-0-0x0000000000790000-0x0000000000874000-memory.dmp
                            Filesize

                            912KB

                          • memory/1740-24-0x0000000010000000-0x00000000100B8000-memory.dmp
                            Filesize

                            736KB