Analysis

  • max time kernel
    38s
  • max time network
    43s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 06:01

Errors

Reason
Machine shutdown

General

  • Target

    MEMZ.exe

  • Size

    16KB

  • MD5

    1d5ad9c8d3fee874d0feb8bfac220a11

  • SHA1

    ca6d3f7e6c784155f664a9179ca64e4034df9595

  • SHA256

    3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff

  • SHA512

    c8246f4137416be33b6d1ac89f2428b7c44d9376ac8489a9fbf65ef128a6c53fb50479e1e400c8e201c8611992ab1d6c1bd3d6cece89013edb4d35cdd22305b1

  • SSDEEP

    192:M2WgyvSW8gRc6olcIEiwqZKBkDFR43xWTM3LHf26gFrcx3sNq:JWgnSmFlcIqq3agmLH+6gF23sN

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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.

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
    "C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1892
    • C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3708
    • C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:548
    • C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4048
    • C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1824
    • C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
      "C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /main
      2⤵
      • Checks computer location settings
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4408
      • C:\Windows\SysWOW64\notepad.exe
        "C:\Windows\System32\notepad.exe" \note.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1328
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://google.co.ck/search?q=john+cena+midi+legit+not+converted
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3920
        • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ff92af746f8,0x7ff92af74708,0x7ff92af74718
          4⤵
            PID:4512
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1992,8249917499266863385,13951020114491052901,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1980 /prefetch:2
            4⤵
              PID:2468
            • 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=1992,8249917499266863385,13951020114491052901,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2284 /prefetch:3
              4⤵
                PID:4532
              • 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=1992,8249917499266863385,13951020114491052901,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2728 /prefetch:8
                4⤵
                  PID:1928
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1992,8249917499266863385,13951020114491052901,131072 --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=3240 /prefetch:1
                  4⤵
                    PID:3788
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1992,8249917499266863385,13951020114491052901,131072 --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=3356 /prefetch:1
                    4⤵
                      PID:4996
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1992,8249917499266863385,13951020114491052901,131072 --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=4916 /prefetch:1
                      4⤵
                        PID:5364
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1992,8249917499266863385,13951020114491052901,131072 --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=3376 /prefetch:1
                        4⤵
                          PID:5468
                  • C:\Windows\system32\taskmgr.exe
                    "C:\Windows\system32\taskmgr.exe" /7
                    1⤵
                    • Checks SCSI registry key(s)
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    PID:868
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:1616
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:5160

                      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

                        e765f3d75e6b0e4a7119c8b14d47d8da

                        SHA1

                        cc9f7c7826c2e1a129e7d98884926076c3714fc0

                        SHA256

                        986443556d3878258b710d9d9efbf4f25f0d764c3f83dc54217f2b12a6eccd89

                        SHA512

                        a1872a849f27da78ebe9adb9beb260cb49ed5f4ca2d403f23379112bdfcd2482446a6708188100496e45db1517cdb43aba8bb93a75e605713c3f97cd716b1079

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

                        Filesize

                        152B

                        MD5

                        53bc70ecb115bdbabe67620c416fe9b3

                        SHA1

                        af66ec51a13a59639eaf54d62ff3b4f092bb2fc1

                        SHA256

                        b36cad5c1f7bc7d07c7eaa2f3cad2959ddb5447d4d3adcb46eb6a99808e22771

                        SHA512

                        cad44933b94e17908c0eb8ac5feeb53d03a7720d97e7ccc8724a1ed3021a5bece09e1f9f3cec56ce0739176ebbbeb20729e650f8bca04e5060c986b75d8e4921

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000003

                        Filesize

                        211KB

                        MD5

                        e7226392c938e4e604d2175eb9f43ca1

                        SHA1

                        2098293f39aa0bcdd62e718f9212d9062fa283ab

                        SHA256

                        d46ec08b6c29c4ca56cecbf73149cc66ebd902197590fe28cd65dad52a08c4e1

                        SHA512

                        63a4b99101c790d40a813db9e0d5fde21a64ccaf60a6009ead027920dbbdb52cc262af829e5c4140f3702a559c7ac46efa89622d76d45b4b49a9ce01625ef145

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

                        Filesize

                        5KB

                        MD5

                        e38aae67b28f7c7d951c247020d08b88

                        SHA1

                        4c5638071f9f76f184a485c9094be630be0ba4b1

                        SHA256

                        541d21891c180643dd204649597ed89cd4e68e513694077ed653e6bec47344b3

                        SHA512

                        be2012a742ed2a783a5c242f88ef8d87213ff0d407ea2dde1cb7b6fe39593a5774c76f64b0065eb80556bda5eac926c807d4cb118c16e2d404f08a8fae12d090

                      • C:\note.txt

                        Filesize

                        218B

                        MD5

                        afa6955439b8d516721231029fb9ca1b

                        SHA1

                        087a043cc123c0c0df2ffadcf8e71e3ac86bbae9

                        SHA256

                        8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270

                        SHA512

                        5da21a31fbc4e8250dffed30f66b896bdf007ac91948140334fe36a3f010e1bac3e70a07e9f3eb9da8633189091fd5cadcabbaacd3e01da0fe7ae28a11b3dddf

                      • memory/868-14-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-11-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-10-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-9-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-8-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-12-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-13-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-2-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-4-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB

                      • memory/868-3-0x0000019266360000-0x0000019266361000-memory.dmp

                        Filesize

                        4KB