Analysis

  • max time kernel
    169s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 14:23

General

  • Target

    1b5055e6641b974fb32ea8b000a0b4b1.exe

  • Size

    31KB

  • MD5

    1b5055e6641b974fb32ea8b000a0b4b1

  • SHA1

    5d800197044008a4b4c0159520cc2092e05f3cdd

  • SHA256

    1f54110beadb7d01e6efa20e60d235a9ee05db999940286548cb1d8a4da4b2d1

  • SHA512

    16bf4043d5d731993cc3319f918021024024cdd12e0f1dd33c5c2ef2dcd79033fa8e3ff5e5278a7331d95e7d72096c6e6c3c774210470182ac81cffdc2eb6345

  • SSDEEP

    768:EDiEfgtXinWVWlWUZVfYXmiiznaH6ZO1z:8jfMX+BBaH6ZW

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 12 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 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\1b5055e6641b974fb32ea8b000a0b4b1.exe
    "C:\Users\Admin\AppData\Local\Temp\1b5055e6641b974fb32ea8b000a0b4b1.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 604
      2⤵
      • Program crash
      PID:3952
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 860
      2⤵
      • Program crash
      PID:4684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 860
      2⤵
      • Program crash
      PID:3192
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 880
      2⤵
      • Program crash
      PID:2464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1004
      2⤵
      • Program crash
      PID:1468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1204
      2⤵
      • Program crash
      PID:3700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1220
      2⤵
      • Program crash
      PID:4416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1228
      2⤵
      • Program crash
      PID:3292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1032
      2⤵
      • Program crash
      PID:116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1228
      2⤵
      • Program crash
      PID:5084
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.declaracaodeamor.com/mensagens.php?de=amor
      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:5092
      • 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,0x100,0x104,0xe0,0x108,0x7ffd2d6646f8,0x7ffd2d664708,0x7ffd2d664718
        3⤵
          PID:720
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2196,5164234600578778156,17336075133189980083,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2220 /prefetch:2
          3⤵
            PID:3948
          • 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=2196,5164234600578778156,17336075133189980083,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2292 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2692
          • 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=2196,5164234600578778156,17336075133189980083,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2888 /prefetch:8
            3⤵
              PID:2388
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,5164234600578778156,17336075133189980083,131072 --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=3280 /prefetch:1
              3⤵
                PID:1692
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,5164234600578778156,17336075133189980083,131072 --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=3244 /prefetch:1
                3⤵
                  PID:4316
                • 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=2196,5164234600578778156,17336075133189980083,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4336 /prefetch:8
                  3⤵
                    PID:1132
                  • 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=2196,5164234600578778156,17336075133189980083,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4336 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2088
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,5164234600578778156,17336075133189980083,131072 --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=5296 /prefetch:1
                    3⤵
                      PID:540
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,5164234600578778156,17336075133189980083,131072 --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=5616 /prefetch:1
                      3⤵
                        PID:3720
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,5164234600578778156,17336075133189980083,131072 --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=3264 /prefetch:1
                        3⤵
                          PID:5044
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,5164234600578778156,17336075133189980083,131072 --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=5456 /prefetch:1
                          3⤵
                            PID:5248
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,5164234600578778156,17336075133189980083,131072 --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=3468 /prefetch:1
                            3⤵
                              PID:5240
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 796
                            2⤵
                            • Program crash
                            PID:4036
                          • C:\Windows\SysWOW64\explorer.exe
                            C:\Windows\system32\explorer.exe
                            2⤵
                            • Modifies registry class
                            PID:636
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 140
                            2⤵
                            • Program crash
                            PID:4396
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1972 -ip 1972
                          1⤵
                            PID:2008
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1972 -ip 1972
                            1⤵
                              PID:3336
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1972 -ip 1972
                              1⤵
                                PID:916
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1972 -ip 1972
                                1⤵
                                  PID:716
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1972 -ip 1972
                                  1⤵
                                    PID:2408
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1972 -ip 1972
                                    1⤵
                                      PID:2692
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1972 -ip 1972
                                      1⤵
                                        PID:2892
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1972 -ip 1972
                                        1⤵
                                          PID:1932
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1972 -ip 1972
                                          1⤵
                                            PID:3652
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1972 -ip 1972
                                            1⤵
                                              PID:2280
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1972 -ip 1972
                                              1⤵
                                                PID:4888
                                              • C:\Windows\System32\CompPkgSrv.exe
                                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                                1⤵
                                                  PID:952
                                                • C:\Windows\System32\CompPkgSrv.exe
                                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                                  1⤵
                                                    PID:4520
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1972 -ip 1972
                                                    1⤵
                                                      PID:2656

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

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

                                                      Filesize

                                                      152B

                                                      MD5

                                                      eb20b5930f48aa090358398afb25b683

                                                      SHA1

                                                      4892c8b72aa16c5b3f1b72811bf32b89f2d13392

                                                      SHA256

                                                      2695ab23c2b43aa257f44b6943b6a56b395ea77dc24e5a9bd16acc2578168a35

                                                      SHA512

                                                      d0c6012a0059bc1bb49b2f293e6c07019153e0faf833961f646a85b992b47896092f33fdccc893334c79f452218d1542e339ded3f1b69bd8e343d232e6c3d9e8

                                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\0d8442d9-e5c8-4332-bd08-e22044367f78.tmp

                                                      Filesize

                                                      5KB

                                                      MD5

                                                      93572b03b7774ad81f9e268e3b02b9c8

                                                      SHA1

                                                      f332dfa8e1a6e635fc0365c6d28bb97e20cb6cfb

                                                      SHA256

                                                      83405cbc91d76b67312c4730979b2938ac67354c3d1b4f4fcbe9fb7f0a2557b7

                                                      SHA512

                                                      4eb2af2adb9c74ab7c8a0898d3527ad2426bc6efcb133e9a8871a7bd975f17cef6f0c826195dab87d6705098595e510fb8e51c97ccc3e82a61502e46a01f3e53

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

                                                      Filesize

                                                      72B

                                                      MD5

                                                      bc8a99723ff5047f567b4ba711c80778

                                                      SHA1

                                                      4e3ac759aadfee17dae6ccb8dd70aea4e36bb046

                                                      SHA256

                                                      88a2e50e720e945a61bd5159076fae1704a18e4ea3f7ec1951d9fdeb41d795bb

                                                      SHA512

                                                      965bb11215c440d0cff66443c3b3280832b42150e51b3fd1d877349aa24eecde1c0f91fd7358fb7838c6c81eb85e69a1df4d7471347326167b8c5d63ef9a3909

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

                                                      Filesize

                                                      111B

                                                      MD5

                                                      285252a2f6327d41eab203dc2f402c67

                                                      SHA1

                                                      acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                                      SHA256

                                                      5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                                      SHA512

                                                      11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                                      Filesize

                                                      5KB

                                                      MD5

                                                      224cc3fbdadc5ca1c46ee69fb05006d6

                                                      SHA1

                                                      80f235cac3ccdb4db024e0a103dbc7ac937cbd80

                                                      SHA256

                                                      17e6de3ae59617fa688f478344baa867572966650c047e881fabee5e49435bc8

                                                      SHA512

                                                      2a66c8301e30dfefcb58c66e3f37ac2bf140e7a75d0a8ea1cca3296709f9c29f337bfac0f649e068cf2ab23622b2a6e9e0ed6c42fa50f80b752b7b4105c60925

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

                                                      Filesize

                                                      5KB

                                                      MD5

                                                      f58c1562b3c8d48365277c7f0251fd49

                                                      SHA1

                                                      f6e76b6a92b94812f1814f5a5562caa06469693f

                                                      SHA256

                                                      ea073a82bcfe1c79b09056f3d124038e7482aca7120ab4bb238e88766f7e33bd

                                                      SHA512

                                                      a3a9d13c0b1015980d9052b182090a4ce4a94be67b9398447b0224fb53d1dd78be2837f762648a7cf1d8af57dfeaaa6e9894bb32653a3bdf038805a4108496f2

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

                                                      Filesize

                                                      24KB

                                                      MD5

                                                      2bbbdb35220e81614659f8e50e6b8a44

                                                      SHA1

                                                      7729a18e075646fb77eb7319e30d346552a6c9de

                                                      SHA256

                                                      73f853ad74a9ac44bc4edf5a6499d237c940c905d3d62ea617fbb58d5e92a8dd

                                                      SHA512

                                                      59c5c7c0fbe53fa34299395db6e671acfc224dee54c7e1e00b1ce3c8e4dfb308bf2d170dfdbdda9ca32b4ad0281cde7bd6ae08ea87544ea5324bcb94a631f899

                                                    • 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

                                                      8f862fc5f4825155ed03ce87727f71e0

                                                      SHA1

                                                      3d6c95ab794fd6baff081f9d2da8df6188d2e836

                                                      SHA256

                                                      91eb40c3919ba8280792aa4dcd9493651ea33d4373a2b7a8392761786fecf3fd

                                                      SHA512

                                                      2d04b5dd417614fd1fd6ae4e45102a08a25cda402cbcb4e1a44a48a12d70d3949890714709f4fc2929c58965b1e91556e1ae8d2cd0ed21eee8f721cb9a16333a

                                                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8PO8IKDM\image21[1].htm

                                                      Filesize

                                                      12KB

                                                      MD5

                                                      cdedfa2739174ecbe1d917cccd39a997

                                                      SHA1

                                                      5692f9c2e13c4218661eb90ddfaec0ced6c15a79

                                                      SHA256

                                                      f1021db34e41f7a1749672945dd2b77235bd04184376f8ccfff07e613a53685d

                                                      SHA512

                                                      9ac63c2f46ae781c33ef188a6c2837e452a2d008028eaedd17199748e3c079df45efe4a6ac1e631769b60582d50bf34b993cdcf3607157ec64ab35afedf1570a

                                                    • memory/1972-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/1972-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/1972-1-0x0000000000400000-0x0000000000412000-memory.dmp

                                                      Filesize

                                                      72KB