Analysis

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

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 11:15

General

  • Target

    ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007.exe

  • Size

    584KB

  • MD5

    20307acbf355d7d7204aea6d3b02a782

  • SHA1

    2e2a1fabd856207be414b8717131d04581d6514a

  • SHA256

    ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007

  • SHA512

    4b27b30e22ee94f23a82ceca0d0fc00970e25f654b9736d14b1b78d8e64039189f7d772351f1ace71a34d337b8e00994a238a8edc0bc25672af19a07d253fbaf

  • SSDEEP

    6144:mMaPE7cV3iwbAFRWAbd4nf0H05yqE6Hl0ChW0+ksllAXBu0lWGWUJJQ4t0BHQQfu:mMa87a3iwbihym2g7XO3LWUQfh4Co

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:3476
      • C:\Users\Admin\AppData\Local\Temp\ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007.exe
        "C:\Users\Admin\AppData\Local\Temp\ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1476
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1336
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a472B.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3088
            • C:\Users\Admin\AppData\Local\Temp\ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007.exe
              "C:\Users\Admin\AppData\Local\Temp\ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007.exe"
              4⤵
              • Executes dropped EXE
              PID:3092
          • 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:4664
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3808
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4636
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:864
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3328

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

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

                  Filesize

                  584KB

                  MD5

                  20307acbf355d7d7204aea6d3b02a782

                  SHA1

                  2e2a1fabd856207be414b8717131d04581d6514a

                  SHA256

                  ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007

                  SHA512

                  4b27b30e22ee94f23a82ceca0d0fc00970e25f654b9736d14b1b78d8e64039189f7d772351f1ace71a34d337b8e00994a238a8edc0bc25672af19a07d253fbaf

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

                  Filesize

                  650KB

                  MD5

                  c0651f5f5ed8c9967b91a89a86cc4dc4

                  SHA1

                  6866b91667021c6cc7fd680451a5ea183dce3cd1

                  SHA256

                  d09336ea46c4c6e8b83dff2aa4bd31d9e993bcd572e6b274449adc5f9e51627d

                  SHA512

                  1cf7354f1b204415fd099c1fdaeecda5f0daec86948cee48da433d847d0ce94fee7fcf2365675868e82450891244b04902d730d6b0e0dfb5c29df1cd4b5d8ad6

                • C:\Users\Admin\AppData\Local\Temp\$$a472B.bat

                  Filesize

                  722B

                  MD5

                  d101ce27ba6f7f15274b7fc3651c6ffa

                  SHA1

                  508a062b05db9ca02bc962a3e5bf143a3e0c5891

                  SHA256

                  2a1d6a651bf42303fa3a681f9b675e4d69dddeb0e13fba588738dbf552292cfd

                  SHA512

                  1910fe48ba82644ef8997f6b437a585074b5268fe11e5c006c8ed8d788cf7190a759f45a42f0de3258f853178b6e5421ecf4ac6e6386f60351e2ee529d1b9bd5

                • C:\Users\Admin\AppData\Local\Temp\ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007.exe.exe

                  Filesize

                  544KB

                  MD5

                  9a1dd1d96481d61934dcc2d568971d06

                  SHA1

                  f136ef9bf8bd2fc753292fb5b7cf173a22675fb3

                  SHA256

                  8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525

                  SHA512

                  7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa

                • C:\Windows\Logo1_.exe

                  Filesize

                  40KB

                  MD5

                  341ec829f1445cfc22901ee3564a2407

                  SHA1

                  3b7d6d531808cf3d17f484d7984c5cbb2ae6d850

                  SHA256

                  f99b2ae8656781e1be65ad464d0472b39ca4fb48a31d9949ed12b0992390dc82

                  SHA512

                  1fd0ddca12d5b9cfc5ff6c5d3fb1bb5686a6a17e552f6af631ce019bd0f0fe194bd5770f96ad5af3226de91217c9715955d211145e373904b671cf75052da751

                • F:\$RECYCLE.BIN\S-1-5-21-3558294865-3673844354-2255444939-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  9d187c446579e70f430c5bb5556efc0c

                  SHA1

                  0379a56b3d4a9e75d426a088cd523d01929186b2

                  SHA256

                  544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                  SHA512

                  6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                • memory/4664-10-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4664-17-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4664-5219-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4664-8683-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/5084-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/5084-8-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB