Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 15:32

General

  • Target

    86ebdd99de03c4329fb377700a143e431063593235a5988bbd8d3010eefa059d.exe

  • Size

    75KB

  • MD5

    4b989924ddf40b0da23a40de83bd2b8e

  • SHA1

    a0a6811bf05d38b8bce3b8f86de9574f330a124a

  • SHA256

    86ebdd99de03c4329fb377700a143e431063593235a5988bbd8d3010eefa059d

  • SHA512

    c5e030a2a1818a2db968885be31e7913162dc56df495a0a42ac1fb1b9305e846199ce8e6173c377c105bb9ffc85b00d540801385e0c134ba4d1cb2b541a1155f

  • SSDEEP

    1536:/BVsrz8VuJlMXaDuiN/EToa9D4ZQKbgZi1dst7x9PxQ:/BY8ulMXaKYlZQKbgZi1St7xQ

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1224
      • C:\Users\Admin\AppData\Local\Temp\86ebdd99de03c4329fb377700a143e431063593235a5988bbd8d3010eefa059d.exe
        "C:\Users\Admin\AppData\Local\Temp\86ebdd99de03c4329fb377700a143e431063593235a5988bbd8d3010eefa059d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1508
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1912
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a35EF.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2996
            • C:\Users\Admin\AppData\Local\Temp\86ebdd99de03c4329fb377700a143e431063593235a5988bbd8d3010eefa059d.exe
              "C:\Users\Admin\AppData\Local\Temp\86ebdd99de03c4329fb377700a143e431063593235a5988bbd8d3010eefa059d.exe"
              4⤵
              • Executes dropped EXE
              PID:2616
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • 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:2604
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2816
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2620
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3032
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2648

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            258KB

            MD5

            716cf04b905e9d25d89e76dd2b521b7a

            SHA1

            4464bc7b43656fce19a801c5a77f53027b5748fa

            SHA256

            68c254e4a94926e48dda2811138fac91afef667c3da61e3838c104fd16397f81

            SHA512

            cbebb128990ece59a3d052e5d6edfc8bacf33d74aad72f31bd6a98a91194088a5d9a460ac8000fec4cedbe019dc6bfca38912832be0e151bcd2e1f4984b4e578

          • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

            Filesize

            478KB

            MD5

            5264aab343fc1f53c29d1065346d0010

            SHA1

            db43bc0b28b4ada0c5635db50fd0b64410ab76ad

            SHA256

            d33d56847b353c8207a43aa01cc75527328ebf4bba669e90e29266d1b6fb57dd

            SHA512

            bb4ba1f7c5cae56cef564dd99f1a1fd3e2c656f8004f689a22ea641d886cbb3a19dde3dce5be4cf8cee4ce190170fd8c5390cb9c7c40ae54109559685119a958

          • C:\Users\Admin\AppData\Local\Temp\$$a35EF.bat

            Filesize

            722B

            MD5

            a6b72342419fffe530c8ab9592000303

            SHA1

            b890a21a253b41ba882cd59b39d7dccb9bbe19d7

            SHA256

            dfb9757db72efd210f87404cda54b730d908ed3e524d24cc458ce2b0c1b537ab

            SHA512

            e5f3c1f3452df7bf9997aaaed964dbfa663f8167bc0f03179337907548a791893d7654dcd04e9474b933c2023c99bf5d527b374e78546280a2301dc750d95557

          • C:\Users\Admin\AppData\Local\Temp\86ebdd99de03c4329fb377700a143e431063593235a5988bbd8d3010eefa059d.exe.exe

            Filesize

            41KB

            MD5

            977e405c109268909fd24a94cc23d4f0

            SHA1

            af5d032c2b6caa2164cf298e95b09060665c4188

            SHA256

            cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f

            SHA512

            12b4b59c1a8e65e72aa07ee4b6b6cd9fdedead01d5ce8e30f16ca26b5d733655e23a71c1d273a950a5b1a6cce810b696612de4a1148ac5f468ddf05d4549eed5

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            696135503b001f31cb4cd7844c3e430c

            SHA1

            92344ef238d4e3e40fc6e7172d91f58d81bb088a

            SHA256

            814446fb9e1cb93b974ec91e848733bb349d66dc7cc8d9220a98eec278613c8e

            SHA512

            b0fdf9962a73ce5307fa7283767cc3a6909a02d36ac0776550499c0a81e160917c3e4dd907fa83e617138013107e59dba116f90e3500c13e60f3f0340ebc65ee

          • F:\$RECYCLE.BIN\S-1-5-21-3691908287-3775019229-3534252667-1000\_desktop.ini

            Filesize

            9B

            MD5

            0e9e05c07df1bfb27555d84deb706050

            SHA1

            48ebafcf728d66a097bc66ad41b73d7a757c1a0c

            SHA256

            8f1b205bcc3039e60fbcea0063608e012fd662abb41bba5469d530e2c305174d

            SHA512

            d88c9a9bdf6f386278ba86cf3523334eeb5e9efefa9776bc92bdffa41f0c4937e64a7b5f3821b324e13372fa662aa4fb028676f7ed0a73c989edabd490bd05f5

          • memory/1224-28-0x0000000002510000-0x0000000002511000-memory.dmp

            Filesize

            4KB

          • memory/1368-17-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1368-34-0x0000000000440000-0x0000000000480000-memory.dmp

            Filesize

            256KB

          • memory/1368-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1368-18-0x0000000000440000-0x0000000000480000-memory.dmp

            Filesize

            256KB

          • memory/2604-32-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2604-19-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2604-3348-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2604-4175-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB