Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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

    8616e9e846edda062df0e822b09dcb79beead209194841d6a4c5c99ecb1b8db7.exe

  • Size

    672KB

  • MD5

    83aed82d2917a8c44e20c34d873113d7

  • SHA1

    d4e81dec9e95ed58af8e0d85a9fdb7e44a0c8250

  • SHA256

    8616e9e846edda062df0e822b09dcb79beead209194841d6a4c5c99ecb1b8db7

  • SHA512

    6ad9c8109965b86dd4ebb8a82d975ee2ea86257e15086b9a5e88c630d4446a1f00a9e8b3501dc1de724fb307b2e64c61f21f224d069909a6a95bd22559d53984

  • SSDEEP

    6144:td+azbRZvSC9LRU0ySj14WH+JPb7uL8zRMnJjNhAp7SO8zRMnJjNhAp7S8FRcdEf:td+azbvnPFlTz

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:3508
      • C:\Users\Admin\AppData\Local\Temp\8616e9e846edda062df0e822b09dcb79beead209194841d6a4c5c99ecb1b8db7.exe
        "C:\Users\Admin\AppData\Local\Temp\8616e9e846edda062df0e822b09dcb79beead209194841d6a4c5c99ecb1b8db7.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:952
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2496
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3748
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a63AB.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4916
            • C:\Users\Admin\AppData\Local\Temp\8616e9e846edda062df0e822b09dcb79beead209194841d6a4c5c99ecb1b8db7.exe
              "C:\Users\Admin\AppData\Local\Temp\8616e9e846edda062df0e822b09dcb79beead209194841d6a4c5c99ecb1b8db7.exe"
              4⤵
              • Executes dropped EXE
              PID:4872
          • 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:1900
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1760
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3648
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1720
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:748

          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\$$a63AB.bat

            Filesize

            722B

            MD5

            1b9c0a630e5dc7a3e570cf984cb044a2

            SHA1

            47d1667b3a9f0444beca597febdac0198cdf3271

            SHA256

            c212a60e5859e613040898d3398feaf59fbdbe68f285a7be078a11f5b1d10580

            SHA512

            64ce07c2ed9bd9f77af909c6b55e182dd5ce1dde1f0a1907e997dbfda765b500167c0a68ad5f0789d2ef3adaaa10d395ae3ea9714de8ed4cf56cd5fa10182ea3

          • C:\Users\Admin\AppData\Local\Temp\8616e9e846edda062df0e822b09dcb79beead209194841d6a4c5c99ecb1b8db7.exe.exe

            Filesize

            633KB

            MD5

            2e0d056ad62b6ef87a091003714fd512

            SHA1

            73150bddb5671c36413d9fbc94a668f132a2edc5

            SHA256

            cb83f04591cc1d602e650dd5c12f4470cf21b04328477bd6a52081f37c04bd7c

            SHA512

            b8e920f8b7547aec6f5771e3e6119b01157e5e36a92c67142b0d73ffe0d501d933581e1fc752e5bba9ce819e3897be9c146bebfc0018e91318b0c99d188a2580

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            bc43e3c481e7fbe3ee697f9017cf4c1b

            SHA1

            6a76534a3a4bd72437b06bdccf1475846d7a308d

            SHA256

            c33f277a3cea2a938fc05fda7bf9b9a0ae89474eaacf6b0b6223e07eb4ec3b6a

            SHA512

            e5c2f3485b7573a6638f6d5ea2907371efc68b35655739e8e0c8f841de9c2d302b246eacb9627912cee5dd7ab0a9f7f652e73eb7d1925ddde20bb92e29310ce1

          • F:\$RECYCLE.BIN\S-1-5-21-355664440-2199602304-1223909400-1000\_desktop.ini

            Filesize

            9B

            MD5

            f29b71f66ac42a28a8d1e12a13d61861

            SHA1

            bd61fbc8b6eed4cae3fa29d7b950784258be10cd

            SHA256

            9a5e4ff44f8f5bb21798074ea03e493911b59680e37191522562dece826da1cf

            SHA512

            90c31cda60a9a63e3fa78e99f1104d1a9c9f811e11b62f75063b6007ae284c8c233b5d1235defab7ae0deec3b7892c85af9319219405c44d16fa29a3215f50e0

          • memory/952-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/952-10-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1900-8-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1900-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1900-5215-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1900-8704-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB