Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/04/2024, 18:24

General

  • Target

    87347ec679ce4a6cf51a074e4d80856f97e4f2d3fdf47a3cef943430abcc2407.exe

  • Size

    88KB

  • MD5

    d386bb351fddb626b8b9bc5ef4d25c6e

  • SHA1

    976d783c5286f25443bb71e39859bb0edde2b4ec

  • SHA256

    87347ec679ce4a6cf51a074e4d80856f97e4f2d3fdf47a3cef943430abcc2407

  • SHA512

    7af1c21a99961d3cf316f919ff257390af55805328f3d9848dbbd63cee21d9a9fbcd97e02c911f4a4e0f7074c53db4275ac10e3d459305019e1417ef7b68856c

  • SSDEEP

    1536:8GKFe+Zk7VJbwlYXjPrsqrZMYR5p8w22zHxvuS6YGJYjilZrPMC5V:8GYe+azbRPrlr9RXF36Y0ZIC5V

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:3540
      • C:\Users\Admin\AppData\Local\Temp\87347ec679ce4a6cf51a074e4d80856f97e4f2d3fdf47a3cef943430abcc2407.exe
        "C:\Users\Admin\AppData\Local\Temp\87347ec679ce4a6cf51a074e4d80856f97e4f2d3fdf47a3cef943430abcc2407.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4744
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4524
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4420
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3E03.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2172
            • C:\Users\Admin\AppData\Local\Temp\87347ec679ce4a6cf51a074e4d80856f97e4f2d3fdf47a3cef943430abcc2407.exe
              "C:\Users\Admin\AppData\Local\Temp\87347ec679ce4a6cf51a074e4d80856f97e4f2d3fdf47a3cef943430abcc2407.exe"
              4⤵
              • Executes dropped EXE
              PID:4172
          • 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:1404
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4860
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2564
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2560
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4056

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            264KB

            MD5

            ab6e14fd3b3b82a74d70dd03d0a8e116

            SHA1

            e8263c09ed7968ab04e1459ad46041ccdd9ff5e9

            SHA256

            03dda7016a22dd98411b67875e2fe461c960b068fbcb019579d8392530b41571

            SHA512

            851e9288ba102d5eabd34d887b70a883307bce31ccb4c7eeaf2b3010cb6bb9435a9c0261bfdafb4a0bf4046b6bc7928cbfb62599269a9c197ec2f83efaf258e8

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

            Filesize

            583KB

            MD5

            612c71f176cbb3a987994ef9d580f372

            SHA1

            ab77fb255f0b3da4d50e3cdbf649c87188373a62

            SHA256

            6ad09d061abc19754e50e37200a4c935dda0d4a33b03f4ff9c16bf58bf8f1be2

            SHA512

            57a5d59e2b2892b17d769053ffc44957b7a119c43bab4528f9ea744b7df146dd0db25c82420e97515811c8a3e0dd8b6caf90b100a3a3dc2fb0fb0fe42cadbd9e

          • C:\Users\Admin\AppData\Local\Temp\$$a3E03.bat

            Filesize

            722B

            MD5

            bfc0a1580a501d4f8e2765f131b58dff

            SHA1

            4201c06bdbde9db80d75e09a92439f82c39101c6

            SHA256

            4480ecfefcb7ab3c6eaa09aa6594caaf9029d593dd688e0d7e9e3f611775db67

            SHA512

            38817c0572807ddaed44cdc7ef63a8d27f6614822fb6e755e6b8bf138b08727cf60a1499545bb954d6904992f87f140ec137fa5dd870e148e75b00a26be72e69

          • C:\Users\Admin\AppData\Local\Temp\87347ec679ce4a6cf51a074e4d80856f97e4f2d3fdf47a3cef943430abcc2407.exe.exe

            Filesize

            48KB

            MD5

            422a02111fabd3e229ffd105d6054f56

            SHA1

            7930d07dbc89c1113eec7cbd492daf3a025939b2

            SHA256

            2d6bd317e34216f318ce9fb34fbc24e6260b1472930a8c0f126792f8ff821a9e

            SHA512

            a46b5f8b6cb3cf2cb9714a0708ff63dfe4b543ab4a651f2b8ab93ce54ae77e8c7f6d67a8d9d4481957ada966f778ac6d1cceb24b1d8bbad2a6bca77b0bc9ea59

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            bc43e3c481e7fbe3ee697f9017cf4c1b

            SHA1

            6a76534a3a4bd72437b06bdccf1475846d7a308d

            SHA256

            c33f277a3cea2a938fc05fda7bf9b9a0ae89474eaacf6b0b6223e07eb4ec3b6a

            SHA512

            e5c2f3485b7573a6638f6d5ea2907371efc68b35655739e8e0c8f841de9c2d302b246eacb9627912cee5dd7ab0a9f7f652e73eb7d1925ddde20bb92e29310ce1

          • F:\$RECYCLE.BIN\S-1-5-21-1132431369-515282257-1998160155-1000\_desktop.ini

            Filesize

            9B

            MD5

            f29b71f66ac42a28a8d1e12a13d61861

            SHA1

            bd61fbc8b6eed4cae3fa29d7b950784258be10cd

            SHA256

            9a5e4ff44f8f5bb21798074ea03e493911b59680e37191522562dece826da1cf

            SHA512

            90c31cda60a9a63e3fa78e99f1104d1a9c9f811e11b62f75063b6007ae284c8c233b5d1235defab7ae0deec3b7892c85af9319219405c44d16fa29a3215f50e0

          • memory/1404-10-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1404-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1404-5215-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1404-8693-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4744-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4744-8-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB