Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-05-2024 09:58

General

  • Target

    765588f23c201b5815b8f79dc9944827876ce28d8ca4bf60d4c687c2a31b8d8e.exe

  • Size

    694KB

  • MD5

    15edb5f3d8dc8b4bb3560bd7a9b3eff6

  • SHA1

    35ee09a607af1e28015862df58d890eef9bcd27e

  • SHA256

    765588f23c201b5815b8f79dc9944827876ce28d8ca4bf60d4c687c2a31b8d8e

  • SHA512

    e5c85752efba5f785f67a5b7c406233a2c3a5fff22903068c2c85a4596de1080f84f40bc58c2aef13de7fe4419e2aa8ebed5ee4ca5617575caf56823920a8b19

  • SSDEEP

    12288:/PzJgrpXt3hcorRSJwGHuwbwDdlELUDyoagA0rtmmrBE:/PzJgrVtxcolSJwGHuOud6L9fN0pmr

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:1204
      • C:\Users\Admin\AppData\Local\Temp\765588f23c201b5815b8f79dc9944827876ce28d8ca4bf60d4c687c2a31b8d8e.exe
        "C:\Users\Admin\AppData\Local\Temp\765588f23c201b5815b8f79dc9944827876ce28d8ca4bf60d4c687c2a31b8d8e.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2308
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2928
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2236
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a15E1.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2908
            • C:\Users\Admin\AppData\Local\Temp\765588f23c201b5815b8f79dc9944827876ce28d8ca4bf60d4c687c2a31b8d8e.exe
              "C:\Users\Admin\AppData\Local\Temp\765588f23c201b5815b8f79dc9944827876ce28d8ca4bf60d4c687c2a31b8d8e.exe"
              4⤵
              • Executes dropped EXE
              PID:2684
          • 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:2576
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2604
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2904
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2732
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2616

          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

            258KB

            MD5

            02569885e9369db7f7e10caf1b50ba83

            SHA1

            10a6f75e80a9f81aa4c6143a31eb419ff252c667

            SHA256

            f9fbd769b3a8bcc2a77241fa76adb574009dd443f0ebe5913450e2e9f21d87da

            SHA512

            d18ea18d470cde35ac5f775b8f51d9d0bbaeea64312a30ea4ed7261174cdc3c8ac60e8f205004bcac90c937fa732851d3f5bdf5dde3417b624f1ee24e87640c3

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

            Filesize

            478KB

            MD5

            5264aab343fc1f53c29d1065346d0010

            SHA1

            db43bc0b28b4ada0c5635db50fd0b64410ab76ad

            SHA256

            d33d56847b353c8207a43aa01cc75527328ebf4bba669e90e29266d1b6fb57dd

            SHA512

            bb4ba1f7c5cae56cef564dd99f1a1fd3e2c656f8004f689a22ea641d886cbb3a19dde3dce5be4cf8cee4ce190170fd8c5390cb9c7c40ae54109559685119a958

          • C:\Users\Admin\AppData\Local\Temp\$$a15E1.bat

            Filesize

            722B

            MD5

            86acd8417c6b9d10fd6058b96b4ab18d

            SHA1

            4c997ae1862d3312bab7558e1ff80d20b9824deb

            SHA256

            97f6aae0c17d8c4501f820adb8fd7a39c0710e5938ab1d6de50c2b298db37335

            SHA512

            60e008eb38bf7dc55913079fcd07bf9aa2ddcd5c1c24127cc61428f2c06227a58a60dcb27b6350741ab5eeefaf352ef4c0a4d070edab2fb3c21c0d30e3ff37bd

          • C:\Users\Admin\AppData\Local\Temp\765588f23c201b5815b8f79dc9944827876ce28d8ca4bf60d4c687c2a31b8d8e.exe.exe

            Filesize

            661KB

            MD5

            1ccc2c9ae08b2b36660deac77dfbcfb7

            SHA1

            1a3e671eb5140104a4c9b056299af6a696e134ca

            SHA256

            98218f68e5674d99bcdbf3c9e1c4786e7cf1433fb27a4c4e0108894fb5acd0ec

            SHA512

            c212849356f531811a30bc97e212734ee34cef809a5dc40f72991bcd24fa9b23db623c553b3a9358782d42665f296f2d4f980149c9e23b4915b191f76723eea5

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            e88b528305eba2eaa41bd67d5be2f3e9

            SHA1

            46ab8f327b9ad592d6b6e2786ff0c5a5735acbfb

            SHA256

            8549f3ecbe5d5d917c87472123a8ffc41b19b52c94b1fbc7089a971436dfe5ae

            SHA512

            8437f856ced59ed9edb400139bcc5bb083164c52fd843d058d94bd40243b3314af75e3fd18380708561a00a80c7160153a40e768c493f08ea4afc102357252e7

          • F:\$RECYCLE.BIN\S-1-5-21-2248906074-2862704502-246302768-1000\_desktop.ini

            Filesize

            9B

            MD5

            e850d9ceb7ebcc619d731dc2f1377b2b

            SHA1

            a45553c9057075c02e28f90d5e8ea57a0dddbacc

            SHA256

            b682a6e85069777ca22f84b99607acd09640eaa80029d74363c0a5aabddead4c

            SHA512

            be92bd8393d0fe69559ec55e1068fcd77ccc699361a9cb98d467bd51a029c371852b7a1196ad53fa8865e956582e6a4d35f6ac6fea3832058b7a427133b0048c

          • memory/1204-28-0x0000000002E00000-0x0000000002E01000-memory.dmp

            Filesize

            4KB

          • memory/2308-17-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2308-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2308-12-0x0000000000270000-0x00000000002B0000-memory.dmp

            Filesize

            256KB

          • memory/2576-19-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2576-32-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2576-2977-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2576-4142-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB