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Analysis

  • max time kernel
    150s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 15:29

General

  • Target

    2f76c167166dfd198bb3356c8a5ef9564f0e398eec5fa1dc0e2033c904022de8.exe

  • Size

    400KB

  • MD5

    5b4850d16220e897b6d192d193935bab

  • SHA1

    bdd741810ad3e9391dae1f5b5be122b36f2b9cc8

  • SHA256

    2f76c167166dfd198bb3356c8a5ef9564f0e398eec5fa1dc0e2033c904022de8

  • SHA512

    36c45ea17fd0c328d696ea6afad5c2b75afa4a66f9130cef17704358ff480b0aa0cacdc1b7bed9b907dcaeaeed0391fd4ab34eec68a80f2fff609a7a0b123736

  • SSDEEP

    6144:N+aezsP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYF1moW:N+aQahVy41

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3484
      • C:\Users\Admin\AppData\Local\Temp\2f76c167166dfd198bb3356c8a5ef9564f0e398eec5fa1dc0e2033c904022de8.exe
        "C:\Users\Admin\AppData\Local\Temp\2f76c167166dfd198bb3356c8a5ef9564f0e398eec5fa1dc0e2033c904022de8.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:848
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4680
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a57D4.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3724
            • C:\Users\Admin\AppData\Local\Temp\2f76c167166dfd198bb3356c8a5ef9564f0e398eec5fa1dc0e2033c904022de8.exe
              "C:\Users\Admin\AppData\Local\Temp\2f76c167166dfd198bb3356c8a5ef9564f0e398eec5fa1dc0e2033c904022de8.exe"
              4⤵
              • Executes dropped EXE
              PID:4248
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • Executes dropped EXE
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4856
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1612
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:748
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1940
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4792

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

            Filesize

            264KB

            MD5

            c0ad9453492036edf7c366cdfd9970e4

            SHA1

            b43b223cad6f8c349b5138a0d2ccc439d435b303

            SHA256

            9da3db4094a033f920f9aad3266e823e9d592ad78acac24dd0e358ebb059ec3b

            SHA512

            776b87da0cab39e6ee8daade00f9ce91a6d46bfc097aec78c46460ba0e8644ae71b43d1b458167966bdee97312b6d3ab4be71b55da4f9a5181e9bd1255483b26

          • C:\Program Files\7-Zip\7z.exe

            Filesize

            583KB

            MD5

            cadbc1b25e26e7b616fcc198937dd36f

            SHA1

            ff565fb87f0e0ce560bcc77c59b2b5ce14b18328

            SHA256

            9f9434143eb8b7666b0d0c8c88cc350c0c03ba8ae0ba25e611056fcd5a955c19

            SHA512

            37fa017e93645b5a28e105dee37e3b9cb850689a2627509ce26b0f34545c684767875f38d90d6e905f05a9a11d05840f4f0a8f866b5a5565750c79b9dd2dd774

          • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

            Filesize

            649KB

            MD5

            1ad09ab121869e9bedf81b1e82331d05

            SHA1

            21270e52207071b7d304acb7d776c9abba38c15c

            SHA256

            834cd914a6bc7c3eadf3b23bacc01433aa6a32411ab547d958604a1c434518b7

            SHA512

            4b1f28d726ec031fd0350a21ea7091087ae2688818716f7add7524fdf06a07d5937a4aa53c6029d2fab093714b1b48b8032927b56e2c207158946f6c71e6646b

          • C:\Users\Admin\AppData\Local\Temp\$$a57D4.bat

            Filesize

            722B

            MD5

            5a733b9c32eb85cc14ab8b245aa98606

            SHA1

            89685a096d579f37d9b1000ab95053d133e16e2b

            SHA256

            0c5e4fa92361b9eeedf2e25acff67cde7b717d84b7519098d71dab0bffc5bde6

            SHA512

            74c132f25420766cbb0308f6aef64d187500c83dd8e2ea627d07d84a17e26fc4a5bc0de3a405f605261c3e1570488c3e3e0054613b1e93990e63f4071b549d00

          • C:\Users\Admin\AppData\Local\Temp\2f76c167166dfd198bb3356c8a5ef9564f0e398eec5fa1dc0e2033c904022de8.exe.exe

            Filesize

            360KB

            MD5

            5fbd45261a2de3bb42f489e825a9a935

            SHA1

            ff388f6e9efe651ec62c4152c1739783e7899293

            SHA256

            9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

            SHA512

            7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            e6c7bf55188d71231750f9b606026ff0

            SHA1

            ec05472357b89ab9905ba7f079c275d4a6b86edf

            SHA256

            28612d2c64ed84d1ec223c74aac02dffb75840364574930c5bbc4eea629be22b

            SHA512

            d812d93c3fe8417bf98a1685b31e6c146471e0c4a37b9340ba0a57763852221be002375e109efff0bb01192c3f8180e6bda68d6f6ed927b45cb02f2b1998baa6

          • F:\$RECYCLE.BIN\S-1-5-21-3571316656-3665257725-2415531812-1000\_desktop.ini

            Filesize

            8B

            MD5

            a6f28952c332969f9e6d9f7d1a449737

            SHA1

            31c0826adb63cc03162fb9e88781f4b50da8f11b

            SHA256

            d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208

            SHA512

            8187572ee8fbb9a42af34a3444be3a4309c5a798e7b1f27fce5b28b7168b72d015b1c10e611ccd3a9361af2aaeab831d2734017f77adff341c3fdb876c296eac

          • memory/1396-9-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1396-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4856-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4856-2352-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4856-11-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4856-8708-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB