Analysis

  • max time kernel
    149s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 11:14

General

  • Target

    41df2da8e7809668495d1ef4eac9b37e7aa4f4dbc300a78d6317c4c491312f2d.exe

  • Size

    55KB

  • MD5

    29e107f30d686aec3e2729cf6324511b

  • SHA1

    a983d70e669f40ef42ed6468276fe0f856c249e6

  • SHA256

    41df2da8e7809668495d1ef4eac9b37e7aa4f4dbc300a78d6317c4c491312f2d

  • SHA512

    4d3f8f9328a7df29ad59cb9e339447579e8b26b577397bd0ac733e8ca20c87e5686ee825534c0576f4541f1eb0032cf55c9e5cee76a9cb81e5fd6ea44d7fb758

  • SSDEEP

    1536:gsVPQsrz8haFpmqr76/Y3WLpOHqaNrFd:gsVPN8QFda/2WaNpd

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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3556
      • C:\Users\Admin\AppData\Local\Temp\41df2da8e7809668495d1ef4eac9b37e7aa4f4dbc300a78d6317c4c491312f2d.exe
        "C:\Users\Admin\AppData\Local\Temp\41df2da8e7809668495d1ef4eac9b37e7aa4f4dbc300a78d6317c4c491312f2d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4112
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2332
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1520
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3D47.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3872
            • C:\Users\Admin\AppData\Local\Temp\41df2da8e7809668495d1ef4eac9b37e7aa4f4dbc300a78d6317c4c491312f2d.exe
              "C:\Users\Admin\AppData\Local\Temp\41df2da8e7809668495d1ef4eac9b37e7aa4f4dbc300a78d6317c4c491312f2d.exe"
              4⤵
              • Executes dropped EXE
              PID:2388
          • 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:2648
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1528
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1760
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1800
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1604

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  265KB

                  MD5

                  3e662e0df77f4da5af03e89f3ae78b61

                  SHA1

                  1641ff1f24a84f6bf99ce0862e7b65b3b7e51cdd

                  SHA256

                  63da64c91cace3a705acc5d1b6703fc1661bf312aebea8be9f5056c2371fea76

                  SHA512

                  50b419b015669ee564381a8e21fe49be374974e5ccfc929d38e3c6ec9410b5690b56ff0c124da4385c628b971eb10c5505ee972199ff049fe7e88b4ad0f2a735

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

                  Filesize

                  584KB

                  MD5

                  24c8cb2e3e2d04af46e6d57cd798d920

                  SHA1

                  45127b33affe3d244d017d2ac1aed75b8cde0796

                  SHA256

                  10eb62c13aa2929d900a96f33eb6919cd226a30a80b536bbef0be700c5a9e103

                  SHA512

                  60909db997c472de5cd2b28406bc17b7d46d4eaeee32ee71863286137b63127b6382794e5cd02afa23919bc9e3606ab4567eab36fc256bf3d3827eb3c148cd2f

                • 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\$$a3D47.bat

                  Filesize

                  722B

                  MD5

                  784218f0262b895e9659ecdf8ccaba36

                  SHA1

                  1b4b3caf07c1462e27eaa2f8308c5f1b4164d724

                  SHA256

                  f74765a79caf32d8a906b4e04fdefbe3a639dd69af9e96f1862bded951ba76f3

                  SHA512

                  fa0b80b4ad23cfea23eac61aa531ad5e2bf07ce73778886ca1ec099f637d052ca975839ab39be36ab86aa05e197d6b194e95f1647f1bbbd15a5226b929285027

                • C:\Users\Admin\AppData\Local\Temp\41df2da8e7809668495d1ef4eac9b37e7aa4f4dbc300a78d6317c4c491312f2d.exe.exe

                  Filesize

                  14KB

                  MD5

                  ad782ffac62e14e2269bf1379bccbaae

                  SHA1

                  9539773b550e902a35764574a2be2d05bc0d8afc

                  SHA256

                  1c8a77db924ebeb952052334dc95add388700c02b073b07973cd8fe0a0a360b8

                  SHA512

                  a1e9d6316ffc55f4751090961733e98c93b2a391666ff50b50e9dea39783746e501d14127e7ee9343926976d7e3cd224f13736530354d8466ea995dab35c8dc2

                • C:\Windows\Logo1_.exe

                  Filesize

                  40KB

                  MD5

                  03f7f9164b72da0e3d4893f390083549

                  SHA1

                  74f536b847ef4d3f83f0e610f138306d90bd7410

                  SHA256

                  97150e552c7ed63fd1a333fbd3ac5bcd45dcc8630c5554b6241bf77d6a2e4504

                  SHA512

                  46d9423a17ccc7b3347bd99bdd9607ada5609b4999bd8697580e826c29bc84a98203e4c9d8ddb1e1f1606aba3d0541cb80e7d1f78bbf0d4dd800e280b59ad11e

                • F:\$RECYCLE.BIN\S-1-5-21-3906287020-2915474608-1755617787-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  9d187c446579e70f430c5bb5556efc0c

                  SHA1

                  0379a56b3d4a9e75d426a088cd523d01929186b2

                  SHA256

                  544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                  SHA512

                  6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                • memory/2648-18-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2648-3284-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2648-8-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/2648-8701-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4112-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4112-11-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB