Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:15

General

  • Target

    8709a4ecf6b4134700d57e0788c16969e8dfa3b977cad561c2f53f49829fbda4.exe

  • Size

    376KB

  • MD5

    422c329d784c887b9c7038d788c4f13d

  • SHA1

    ee970db37b2c4a278ac3d9df074e4a7482386c64

  • SHA256

    8709a4ecf6b4134700d57e0788c16969e8dfa3b977cad561c2f53f49829fbda4

  • SHA512

    211b357273b808f0bf76fa8897c81a8196b0b5d286a0bdc68a3aaeeae4a7a7a982802af95a62c50b702316685c7db2b8bd8cebb6779b898dd46ca1103d92b9d2

  • SSDEEP

    6144:mMaFzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:mMapU66b5zhVymA/XSRh

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:1196
      • C:\Users\Admin\AppData\Local\Temp\8709a4ecf6b4134700d57e0788c16969e8dfa3b977cad561c2f53f49829fbda4.exe
        "C:\Users\Admin\AppData\Local\Temp\8709a4ecf6b4134700d57e0788c16969e8dfa3b977cad561c2f53f49829fbda4.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2820
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2032
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2988
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a202E.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2576
            • C:\Users\Admin\AppData\Local\Temp\8709a4ecf6b4134700d57e0788c16969e8dfa3b977cad561c2f53f49829fbda4.exe
              "C:\Users\Admin\AppData\Local\Temp\8709a4ecf6b4134700d57e0788c16969e8dfa3b977cad561c2f53f49829fbda4.exe"
              4⤵
              • Executes dropped EXE
              PID:2740
          • 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:2668
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2328
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2756
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2696
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2464

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

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

                  Filesize

                  485KB

                  MD5

                  3ac7773258fe0684e8a28f3793a74ed3

                  SHA1

                  316fba91c21ea13e4576a5eeec832fd585c31ca0

                  SHA256

                  9f41dbbbdf4edcf63ba6262af0ae0d9a13874d0e008522af866f12f3e71b198f

                  SHA512

                  8d2647018107b940fe80b5ab979570b9f255764195976272b8c2ee8640b0e91493d5e7fa598b4ce29bda8f87cf495c6c71fd62734d51761b04bb5127eb5b2b4a

                • C:\Users\Admin\AppData\Local\Temp\$$a202E.bat

                  Filesize

                  722B

                  MD5

                  3f96aa3384adde8708f78d2a335e7fbb

                  SHA1

                  5c88186d95e5d108c86463d10e6a74de769770f5

                  SHA256

                  f329bb8feb8ab621554a208232a0c804c199b6b403e71710c10eb8ed72f4ed7d

                  SHA512

                  b405db03dffd1bad09e6a69b7f6525e4e33094a733c872baa9be9bcea88ca2ad4ab8db326932d237a04ff1111a24bbc71c78bf7cd2d3541b3a0dfef1cc6f950c

                • C:\Users\Admin\AppData\Local\Temp\8709a4ecf6b4134700d57e0788c16969e8dfa3b977cad561c2f53f49829fbda4.exe.exe

                  Filesize

                  335KB

                  MD5

                  40ac62c087648ccc2c58dae066d34c98

                  SHA1

                  0e87efb6ddfe59e534ea9e829cad35be8563e5f7

                  SHA256

                  482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

                  SHA512

                  0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

                • C:\Windows\Logo1_.exe

                  Filesize

                  40KB

                  MD5

                  341ec829f1445cfc22901ee3564a2407

                  SHA1

                  3b7d6d531808cf3d17f484d7984c5cbb2ae6d850

                  SHA256

                  f99b2ae8656781e1be65ad464d0472b39ca4fb48a31d9949ed12b0992390dc82

                  SHA512

                  1fd0ddca12d5b9cfc5ff6c5d3fb1bb5686a6a17e552f6af631ce019bd0f0fe194bd5770f96ad5af3226de91217c9715955d211145e373904b671cf75052da751

                • F:\$RECYCLE.BIN\S-1-5-21-481678230-3773327859-3495911762-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  9d187c446579e70f430c5bb5556efc0c

                  SHA1

                  0379a56b3d4a9e75d426a088cd523d01929186b2

                  SHA256

                  544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                  SHA512

                  6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                • memory/1196-27-0x0000000002580000-0x0000000002581000-memory.dmp

                  Filesize

                  4KB

                • memory/2668-18-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2668-31-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2668-3343-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2668-4176-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2820-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2820-17-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB