Analysis

  • max time kernel
    157s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 11:15

General

  • Target

    11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe

  • Size

    673KB

  • MD5

    b1c9cf354e4da9406d62dbff2f8f4cac

  • SHA1

    b1c3fe43109dc4122234423f9271fb82f21bd156

  • SHA256

    11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7

  • SHA512

    6125368ae98f0d7d1f204a756400134da7330e200127871089c3f7132d1f132a5609b3b29cba1640123168dd36730bb5117f61f325715ddce854b88227cc4e75

  • SSDEEP

    6144:mMarC9LRU0ySj14WH+JPb7uL8zRMnJjNhAp7SO8zRMnJjNhAp7S8FRcdEKFVAh7f:mMaGPFlTz

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:3156
      • C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe
        "C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:380
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1452
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2188
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a43F9.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1160
            • C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe
              "C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe"
              4⤵
              • Executes dropped EXE
              PID:3608
          • 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:1496
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2428
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4040
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4500
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4940
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3892 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:4308

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

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

                    Filesize

                    584KB

                    MD5

                    20307acbf355d7d7204aea6d3b02a782

                    SHA1

                    2e2a1fabd856207be414b8717131d04581d6514a

                    SHA256

                    ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007

                    SHA512

                    4b27b30e22ee94f23a82ceca0d0fc00970e25f654b9736d14b1b78d8e64039189f7d772351f1ace71a34d337b8e00994a238a8edc0bc25672af19a07d253fbaf

                  • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

                    Filesize

                    495KB

                    MD5

                    407d9e4c9bddf64762371463891b1006

                    SHA1

                    24b05da67f6d6a33807a74b43c728549a97ab7ba

                    SHA256

                    62816173c7319fdfd0ea73291bae772c6b116568b3ca2f71ae4268489ed29bb9

                    SHA512

                    7d74b2f03c6fef4d17b295e0541b8ab04d434918ef5c9bde4301b296cd1144fa2e6a0808297dbae38b9b232017e6fb457667e4fb3a655d02d9c4aee36aaae7ab

                  • C:\Users\Admin\AppData\Local\Temp\$$a43F9.bat

                    Filesize

                    722B

                    MD5

                    dd9903605186cdd58999ef2abd2f50fb

                    SHA1

                    4d06e4bfc1c1e094fb12e31488e6aecb2cf57438

                    SHA256

                    69d2e7a1e46532b7c41fd5f43e3e591ad9f5b8b8994c3df9b7eb515be6044a23

                    SHA512

                    ed87588a9baad6dafceb11cb6130f0aaf65b1815ac61b93520556a6f415351366f5de89d163956f6ba570080d69bec140cd524716f0d862104a6a994dfa24192

                  • C:\Users\Admin\AppData\Local\Temp\11d3a0949c2abbf0fd5afd510d435f92ec511b24b045c8ac3fb6aab0caad1ca7.exe.exe

                    Filesize

                    633KB

                    MD5

                    2e0d056ad62b6ef87a091003714fd512

                    SHA1

                    73150bddb5671c36413d9fbc94a668f132a2edc5

                    SHA256

                    cb83f04591cc1d602e650dd5c12f4470cf21b04328477bd6a52081f37c04bd7c

                    SHA512

                    b8e920f8b7547aec6f5771e3e6119b01157e5e36a92c67142b0d73ffe0d501d933581e1fc752e5bba9ce819e3897be9c146bebfc0018e91318b0c99d188a2580

                  • C:\Windows\Logo1_.exe

                    Filesize

                    40KB

                    MD5

                    341ec829f1445cfc22901ee3564a2407

                    SHA1

                    3b7d6d531808cf3d17f484d7984c5cbb2ae6d850

                    SHA256

                    f99b2ae8656781e1be65ad464d0472b39ca4fb48a31d9949ed12b0992390dc82

                    SHA512

                    1fd0ddca12d5b9cfc5ff6c5d3fb1bb5686a6a17e552f6af631ce019bd0f0fe194bd5770f96ad5af3226de91217c9715955d211145e373904b671cf75052da751

                  • F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\_desktop.ini

                    Filesize

                    9B

                    MD5

                    9d187c446579e70f430c5bb5556efc0c

                    SHA1

                    0379a56b3d4a9e75d426a088cd523d01929186b2

                    SHA256

                    544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                    SHA512

                    6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                  • memory/380-0-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/380-6-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-101-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-9-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-344-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-1607-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-2641-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-5577-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-18-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-8080-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/1496-8819-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB