Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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

  • 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:1200
      • 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:1740
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2740
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2892
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a483.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2572
            • C:\Users\Admin\AppData\Local\Temp\ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007.exe
              "C:\Users\Admin\AppData\Local\Temp\ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007.exe"
              4⤵
              • Executes dropped EXE
              PID:1744
          • 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:2632
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2540
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2628
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2528
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2416

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                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\$$a483.bat

                  Filesize

                  721B

                  MD5

                  c9d83a01fab2bfddb8a5c674c16e252d

                  SHA1

                  1c8f0a5a901db61afd4bdbdf07f0278b72bb0a73

                  SHA256

                  0d7dc4121e2c772165f6e0f3dd8de2fb96120d539ed314b618fd90d20e2fc6c3

                  SHA512

                  30eb34d0cd22b27d5da1f9952f832e957c08ddfb821d838bf2fc1a0cf2a0f3ff17b22d761fef02678cad03bd878fddf04a1fb5862eba9f9d876c5712f7911e0e

                • 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-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  9d187c446579e70f430c5bb5556efc0c

                  SHA1

                  0379a56b3d4a9e75d426a088cd523d01929186b2

                  SHA256

                  544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                  SHA512

                  6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                • memory/1200-27-0x0000000002E40000-0x0000000002E41000-memory.dmp

                  Filesize

                  4KB

                • memory/1740-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/1740-17-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2632-18-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2632-31-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2632-3318-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2632-4141-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB