Analysis

  • max time kernel
    120s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 01:49

General

  • Target

    1dc31f78d65cdb2d474feeea37862b05cdf4b0534d9107266a0c01ebfd85a869N.exe

  • Size

    1.3MB

  • MD5

    78ea51a09600e753c399376e06073840

  • SHA1

    fd740726809972fa77ee45b5ecab52735d315fba

  • SHA256

    1dc31f78d65cdb2d474feeea37862b05cdf4b0534d9107266a0c01ebfd85a869

  • SHA512

    5e4b776a62c8d166aa7fe71b121b38cdf102ff0999da64e93a563e399e91e6f17b07cd61de40081fe8c9aea014eb55b294a6ce33b2fcdad1d60a4bd6d0143064

  • SSDEEP

    24576:frJKUK/juqkncxnfS//2oYP+ENxuIW/Rjl/lVlP64htKQtsVELVDiicYQRebMyHz:f1Kb/juqgcxfSE+HIuRjl/lVlP64htKB

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops Chrome extension 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1dc31f78d65cdb2d474feeea37862b05cdf4b0534d9107266a0c01ebfd85a869N.exe
    "C:\Users\Admin\AppData\Local\Temp\1dc31f78d65cdb2d474feeea37862b05cdf4b0534d9107266a0c01ebfd85a869N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Users\Admin\AppData\Local\Temp\crp9C41.exe
      /S /notray
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4620
    • C:\Users\Admin\AppData\Roaming\B1Toolbar\hpet.exe
      -home -home2 -hie -hff -hgc -spff -et -channel 162341
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      PID:4100
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.4shared.com/file/9q0PlJOb/Finder-CWM.html?ref=downloadhelpererror
      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:1724
      • 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,0x100,0x104,0xd8,0x108,0x7ff9df1346f8,0x7ff9df134708,0x7ff9df134718
        3⤵
          PID:1632
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2044,14513684906453725866,2077293588509553927,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2060 /prefetch:2
          3⤵
            PID:2456
          • 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=2044,14513684906453725866,2077293588509553927,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2136 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4736
          • 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=2044,14513684906453725866,2077293588509553927,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2924 /prefetch:8
            3⤵
              PID:4864
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,14513684906453725866,2077293588509553927,131072 --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=3300 /prefetch:1
              3⤵
                PID:2164
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,14513684906453725866,2077293588509553927,131072 --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=3320 /prefetch:1
                3⤵
                  PID:1056
                • 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=2044,14513684906453725866,2077293588509553927,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4268 /prefetch:8
                  3⤵
                    PID:1420
                  • 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=2044,14513684906453725866,2077293588509553927,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4268 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1052
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,14513684906453725866,2077293588509553927,131072 --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=5200 /prefetch:1
                    3⤵
                      PID:3476
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,14513684906453725866,2077293588509553927,131072 --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=5236 /prefetch:1
                      3⤵
                        PID:5060
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,14513684906453725866,2077293588509553927,131072 --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=4492 /prefetch:1
                        3⤵
                          PID:2016
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,14513684906453725866,2077293588509553927,131072 --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=5636 /prefetch:1
                          3⤵
                            PID:1604
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4644
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1688

                          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

                            34d2c4f40f47672ecdf6f66fea242f4a

                            SHA1

                            4bcad62542aeb44cae38a907d8b5a8604115ada2

                            SHA256

                            b214e3affb02a2ea4469a8bbdfa8a179e7cc57cababd83b4bafae9cdbe23fa33

                            SHA512

                            50fba54ec95d694211a005d0e3e6cf5b5677efa16989cbf854207a1a67e3a139f32b757c6f2ce824a48f621440b93fde60ad1dc790fcec4b76edddd0d92a75d6

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

                            Filesize

                            152B

                            MD5

                            8749e21d9d0a17dac32d5aa2027f7a75

                            SHA1

                            a5d555f8b035c7938a4a864e89218c0402ab7cde

                            SHA256

                            915193bd331ee9ea7c750398a37fbb552b8c5a1d90edec6293688296bda6f304

                            SHA512

                            c645a41180ed01e854f197868283f9b40620dbbc813a1c122f6870db574ebc1c4917da4d320bdfd1cc67f23303a2c6d74e4f36dd9d3ffcfa92d3dfca3b7ca31a

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

                            Filesize

                            5KB

                            MD5

                            3b1e5e48021864ef48b7388c855916a6

                            SHA1

                            ebfc068e219f9c4768ba8ab34290ea3a87ed6600

                            SHA256

                            e3ded47c88be9513836895abdf0db6eba3e139d6ccbc67c5bb6a059d1eb99349

                            SHA512

                            e6731a746cbf7b4b4a72dc4a5ff0429a781304c1a06875dd64bc886fb225025c0c875a46abf43c5cdc630dce31a6d919651d16794693243fe65531c943c5d6c6

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

                            Filesize

                            6KB

                            MD5

                            6e9cf351ae5aa655e3f50f5cfee78321

                            SHA1

                            9b318f289e9ab99282301d0b25e095c9f6172334

                            SHA256

                            5fbd489355d762dee0584fc43438e4f08943fbed566dc64911e46e1adb25fed1

                            SHA512

                            0ba41e8fd5704cb8febf9ae542735df11ef0084c09c569c11595055732dff84d4b3df27cedaa016475b78ad41a461e377b863eae609442b9f9f7bcfbf44f1fba

                          • 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

                            2ed2e65b160ede904887f8758958f375

                            SHA1

                            b79d4a911b9928ebddb8d9ba204294a35431d0c9

                            SHA256

                            10a5bf1c94938467caf7d5b07b3c3eab352768579681beabe9c2503578d6871f

                            SHA512

                            cc15dcd7c7ffd39e7a19883692e77223736378d3c3d0b279e98349b9196a9f3fcae6f694d3c15e551598e0334a3da4ce1ef358e198a0b741ca14809ec26ecfbe

                          • C:\Users\Admin\AppData\Local\Temp\crp9C41.exe

                            Filesize

                            806KB

                            MD5

                            661cf9c90eb099fb7b6a394dd8cde2e4

                            SHA1

                            3704e119ea16a3c336f63dc808176a22fbb8582a

                            SHA256

                            1570e0efe0cb98623913d942cf40f2eb5b10458f49842097125c6d6d8604cd07

                            SHA512

                            13c26a514c2022a10b42566a527ef98adaaa9932ffd07612ccdeb371888c037be3b429c956ecb7705699a2b6e3463758735332c9e26ea5f4493a91f30dfb4761

                          • C:\Users\Admin\AppData\Roaming\B1Toolbar\hpet.exe

                            Filesize

                            331KB

                            MD5

                            a3e93460c26e27a69594dc44eb58e678

                            SHA1

                            a615a8a12aa4e01c2197f4f0d78605a75979a048

                            SHA256

                            3a81cefbc928fe136056257b8b57733164f2d1fa9d944dc02897b31b171335c6

                            SHA512

                            39d17b7190f3ff5b3bc3170c8e21d7bba5c32c0f55bd372af2e848ff1ef1392083218a562f3361fdc2db95e4133a19c4ec1cab3e982174d76b8276358dac6530

                          • \??\pipe\LOCAL\crashpad_1724_NDSUGPKCEBXZONHN

                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e