Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 11:18

General

  • Target

    cb8f67fd5d2dc9a5a5c06588b8aca4dde03edfd9f5f496c98119399168df4109.exe

  • Size

    57KB

  • MD5

    4a6fe179999bf2fc84a435bfcdf6c44f

  • SHA1

    bddb49c7b74e799d3a22347c39a0128d57974e0c

  • SHA256

    cb8f67fd5d2dc9a5a5c06588b8aca4dde03edfd9f5f496c98119399168df4109

  • SHA512

    a82cf4e34f9751e63c4f9e8f9aa6b74b7405780d91ef115510d2cc973dbf7b10d09eab54881b1cb01bfb7c4ab99841a0fbdce2d5293801546d2ac8b6407d9ea9

  • SSDEEP

    1536:rGFaYzMXqtGNtty1yVumRTTQ3hpdBRZEWq:rGFaY46tGNtty1T35jq

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • 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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3548
      • C:\Users\Admin\AppData\Local\Temp\cb8f67fd5d2dc9a5a5c06588b8aca4dde03edfd9f5f496c98119399168df4109.exe
        "C:\Users\Admin\AppData\Local\Temp\cb8f67fd5d2dc9a5a5c06588b8aca4dde03edfd9f5f496c98119399168df4109.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4560
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2000
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4432
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a5AB3.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1616
            • C:\Users\Admin\AppData\Local\Temp\cb8f67fd5d2dc9a5a5c06588b8aca4dde03edfd9f5f496c98119399168df4109.exe
              "C:\Users\Admin\AppData\Local\Temp\cb8f67fd5d2dc9a5a5c06588b8aca4dde03edfd9f5f496c98119399168df4109.exe"
              4⤵
              • Executes dropped EXE
              PID:4860
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:1780
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4688
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3912
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4444
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4468

          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

            258KB

            MD5

            e194e3f599f585b521b00ba7d99c03a5

            SHA1

            2ade918605a7a60bcc840819b52c6fb5f470921b

            SHA256

            b70334eb15d0c19fcb70b2d250e32a01f1a17bd230401155d3c4fe3065242aa9

            SHA512

            b7e3c0741cc3ac540da389b2fa66501e1a6c433ab0b22c99b38f40dc57d940d81979b08859d8daa67cd002b02ead5daac4ad9cafce5186bf35b536f6de4b7957

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

            Filesize

            577KB

            MD5

            cac99ad0161a99e0d6fd07e1843524b7

            SHA1

            c3d87148ecc623592a8061ce4ad6c88584e115ad

            SHA256

            62d5cd98103b1dc5452f455a26f2b566812386597eb9cfee2ca3b5e01f0a0f27

            SHA512

            f479dc0ea615699d832539642d4bd63325e1b47e147fe3e94cc6584fc205fa4a1e454375ea5da87238b8210d3565ab742136c3ce850842b76a1335e626041081

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

            Filesize

            644KB

            MD5

            d9b62e4240dd99918ec39a90574fcc1e

            SHA1

            aca7b6d133487779dad04399979342285ac7ac74

            SHA256

            3c9be9eeff4911ecb235ec57a0c90c6db74b371d45c7a6fae2afac78a1bf1391

            SHA512

            8980894349e1d3708f8176fcfc23675061d402126a77af27e6eb61d4d67d41bb2b1e743865f1626a77cca89aff29aa24d21c8cf3f879aba9bd8c0b9a035b8026

          • C:\Users\Admin\AppData\Local\Temp\$$a5AB3.bat

            Filesize

            722B

            MD5

            072c94550d2469937f716c10a5d2261f

            SHA1

            6ddc7c64d82c569dd9cacadd7b2e65683375d28b

            SHA256

            a8c4bf15207c67e093b6a643a38dd1c47ddf3cfb6d6f0c631aab5f8020b6f74d

            SHA512

            69a9c86e189d976e48b637728c1476f35b81ec54fbd91c7b3f55caab64e6e9c10bef7dd638922aceeeff42cacdc3a56aad64803e264f7fa92010c4a7bb403cc3

          • C:\Users\Admin\AppData\Local\Temp\cb8f67fd5d2dc9a5a5c06588b8aca4dde03edfd9f5f496c98119399168df4109.exe.exe

            Filesize

            24KB

            MD5

            31cc94743dd691e9045888e67f19242b

            SHA1

            aad4bb19d79bd1effab9a9ed48976ed0f4fff376

            SHA256

            28a7ebc64cb3147da14baef48a4c56ab1204592433380808acdad1bbdbe8dff8

            SHA512

            e672344af9c689c48dd4ab681f6315047214c945a1ee1732599b9a2fabe9e1df8abbadc3c8975de68487e27195088595e3843fd0611d0bfe94c8e61b7f8af9d2

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            0c024d12adef144def06e6f299357485

            SHA1

            896f33f1c0bc5c6644094f07d44e2bcc377958bb

            SHA256

            df70e984201f34822e49a6da9037e738e596a51d3e190cf4b76b8c64ebd3c30d

            SHA512

            072a920b5fd0373d40947b9410becd9df1bfdff8913bb0650272a3e4c46b29b826b42998b61426b7eb6fa8d081066d0b0aa183dbf0044e9119b10f9a3faae09d

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            842B

            MD5

            6f4adf207ef402d9ef40c6aa52ffd245

            SHA1

            4b05b495619c643f02e278dede8f5b1392555a57

            SHA256

            d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

            SHA512

            a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

          • F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini

            Filesize

            9B

            MD5

            31874817e0fb055be8d2c971c0e3bbde

            SHA1

            ee8a35d6a86cb6d13f354d67d912e194bb09c74b

            SHA256

            94de8b492bc2db9a9592f7c9433547eb7f80826ed67f48d2bb7e22db9d49f544

            SHA512

            55747c69ae50fa212576d095f60cf33b42e26789cf8c34fc5120a45b1988aae95f91d9e37cb17298c5ac5243b2e4c40e1d0e084ce7fe14bceb4ebb318c65c944

          • memory/1780-20-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1780-13-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1780-5178-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1780-8646-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4560-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4560-10-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB