Analysis

  • max time kernel
    187s
  • max time network
    199s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 21:28

General

  • Target

    382887e2d15ab9ad6f8783a0ce01d6eafc513c8b4533447bbb400e1c5ee141b9.exe

  • Size

    302KB

  • MD5

    2f07126494c0a0b3b80c80bb12f88fe4

  • SHA1

    99a22938c2e480ce35c9bb39fb873f297ebdf009

  • SHA256

    382887e2d15ab9ad6f8783a0ce01d6eafc513c8b4533447bbb400e1c5ee141b9

  • SHA512

    609cb343cd4a15192aabdcc929f6c813024b9a566b44d77ecd098062c372494e829d492c761a5fb573a135790a130c0cddd592f7f299e2063854d5c414bb43e3

  • SSDEEP

    6144:PuRPRdHC+lVTZawWU3gs2OqHjTNcQOlkqCm6D2PYAGK8YE:7YBZV3gOSPnKpE

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\382887e2d15ab9ad6f8783a0ce01d6eafc513c8b4533447bbb400e1c5ee141b9.exe
    "C:\Users\Admin\AppData\Local\Temp\382887e2d15ab9ad6f8783a0ce01d6eafc513c8b4533447bbb400e1c5ee141b9.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Users\Admin\AppData\Local\Temp\3582-490\382887e2d15ab9ad6f8783a0ce01d6eafc513c8b4533447bbb400e1c5ee141b9.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\382887e2d15ab9ad6f8783a0ce01d6eafc513c8b4533447bbb400e1c5ee141b9.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4608
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://oi62.tinypic.com/11rc2zb.jpg
        3⤵
        • Adds Run key to start application
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2804
        • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffd4cb746f8,0x7ffd4cb74708,0x7ffd4cb74718
          4⤵
            PID:4556
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,4795688290490938061,12336058657046549256,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:2
            4⤵
              PID:4164
            • 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=2144,4795688290490938061,12336058657046549256,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2304 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4188
            • 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=2144,4795688290490938061,12336058657046549256,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2768 /prefetch:8
              4⤵
                PID:1820
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,4795688290490938061,12336058657046549256,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3368 /prefetch:1
                4⤵
                  PID:3452
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,4795688290490938061,12336058657046549256,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3384 /prefetch:1
                  4⤵
                    PID:3768
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2144,4795688290490938061,12336058657046549256,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4872 /prefetch:8
                    4⤵
                      PID:4196
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2144,4795688290490938061,12336058657046549256,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5544 /prefetch:8
                      4⤵
                        PID:3064
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,4795688290490938061,12336058657046549256,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4956 /prefetch:1
                        4⤵
                          PID:3340
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,4795688290490938061,12336058657046549256,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5092 /prefetch:1
                          4⤵
                            PID:1496
                          • 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=2144,4795688290490938061,12336058657046549256,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5228 /prefetch:8
                            4⤵
                              PID:4832
                            • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                              4⤵
                              • Executes dropped EXE
                              PID:4572
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:2732

                        Network

                        MITRE ATT&CK Matrix ATT&CK v6

                        Persistence

                        Change Default File Association

                        1
                        T1042

                        Registry Run Keys / Startup Folder

                        1
                        T1060

                        Defense Evasion

                        Modify Registry

                        2
                        T1112

                        Credential Access

                        Credentials in Files

                        1
                        T1081

                        Discovery

                        Query Registry

                        2
                        T1012

                        System Information Discovery

                        3
                        T1082

                        Collection

                        Data from Local System

                        1
                        T1005

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                          Filesize

                          1.2MB

                          MD5

                          08a79dd66852e5b47051e2fd1c00646d

                          SHA1

                          0a9a1229c218683915f8a8c6e0cb5b7ec138bad8

                          SHA256

                          59e2a7c4e9b1f7aa9017fc7e0a77c00e1e7d06e67c47549f7915eae3e1292f4c

                          SHA512

                          b38597195fcbd4ea5876bf138fc518eba5789398a31e6664de0f5be9fe04fdeae382b1a483fe0007ae2ef708028e4ee9935fc75ce04f4c030610045ce7b6de3f

                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                          Filesize

                          1.2MB

                          MD5

                          08a79dd66852e5b47051e2fd1c00646d

                          SHA1

                          0a9a1229c218683915f8a8c6e0cb5b7ec138bad8

                          SHA256

                          59e2a7c4e9b1f7aa9017fc7e0a77c00e1e7d06e67c47549f7915eae3e1292f4c

                          SHA512

                          b38597195fcbd4ea5876bf138fc518eba5789398a31e6664de0f5be9fe04fdeae382b1a483fe0007ae2ef708028e4ee9935fc75ce04f4c030610045ce7b6de3f

                        • C:\Users\Admin\AppData\Local\Temp\3582-490\382887e2d15ab9ad6f8783a0ce01d6eafc513c8b4533447bbb400e1c5ee141b9.exe
                          Filesize

                          261KB

                          MD5

                          58985d0222396c6d8c77a90191b6e4fa

                          SHA1

                          c5c4c51732c58e4918ae05c1741d3b4d2aa34bb1

                          SHA256

                          d1ec56809f7eacff3ebe60865519f141a2eb5b51f2a8bcce053713d06fec9c28

                          SHA512

                          2efff24562a31bf8a20720bbc63436bd0ba0018492cdaf27db96e7281e8cb67d1974e95ec7728911791915613e010968bda3d757d05da323cb765619b00916c6

                        • C:\Users\Admin\AppData\Local\Temp\3582-490\382887e2d15ab9ad6f8783a0ce01d6eafc513c8b4533447bbb400e1c5ee141b9.exe
                          Filesize

                          261KB

                          MD5

                          58985d0222396c6d8c77a90191b6e4fa

                          SHA1

                          c5c4c51732c58e4918ae05c1741d3b4d2aa34bb1

                          SHA256

                          d1ec56809f7eacff3ebe60865519f141a2eb5b51f2a8bcce053713d06fec9c28

                          SHA512

                          2efff24562a31bf8a20720bbc63436bd0ba0018492cdaf27db96e7281e8cb67d1974e95ec7728911791915613e010968bda3d757d05da323cb765619b00916c6

                        • \??\pipe\LOCAL\crashpad_2804_TDZIPSQFIKYKYWXL
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/1496-156-0x0000000000000000-mapping.dmp
                        • memory/1820-144-0x0000000000000000-mapping.dmp
                        • memory/2804-136-0x0000000000000000-mapping.dmp
                        • memory/3064-152-0x0000000000000000-mapping.dmp
                        • memory/3340-154-0x0000000000000000-mapping.dmp
                        • memory/3452-146-0x0000000000000000-mapping.dmp
                        • memory/3768-148-0x0000000000000000-mapping.dmp
                        • memory/4164-140-0x0000000000000000-mapping.dmp
                        • memory/4188-141-0x0000000000000000-mapping.dmp
                        • memory/4196-150-0x0000000000000000-mapping.dmp
                        • memory/4556-137-0x0000000000000000-mapping.dmp
                        • memory/4572-157-0x0000000000000000-mapping.dmp
                        • memory/4608-138-0x0000000073800000-0x0000000073DB1000-memory.dmp
                          Filesize

                          5.7MB

                        • memory/4608-135-0x0000000073800000-0x0000000073DB1000-memory.dmp
                          Filesize

                          5.7MB

                        • memory/4608-132-0x0000000000000000-mapping.dmp