Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2024, 14:21

General

  • Target

    ec27b3c4d7b8b1ec4cca9848f166dc6b6562359bf88f82299c3e9cdfd8a27492.exe

  • Size

    366KB

  • MD5

    f781be5e4711246b43d0964933008307

  • SHA1

    5a89ba09aea5f7c258c9b311e92729663b60ffae

  • SHA256

    ec27b3c4d7b8b1ec4cca9848f166dc6b6562359bf88f82299c3e9cdfd8a27492

  • SHA512

    3b6ce2b7df9bf512317c781b76634ce870c9c21625aba9866a0013f3dd8e34414d3a33178d0466f007d9e4631e7b415fecea3b8ac1f8e05a6b723d4395dd4406

  • SSDEEP

    6144:Z46tGdy9CH9L5d5ezLqIFQSDdABbSbIrx1L1l3ERF:Z3N9CH9Eq+0BbSox1QF

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\ec27b3c4d7b8b1ec4cca9848f166dc6b6562359bf88f82299c3e9cdfd8a27492.exe
        "C:\Users\Admin\AppData\Local\Temp\ec27b3c4d7b8b1ec4cca9848f166dc6b6562359bf88f82299c3e9cdfd8a27492.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:360
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1520
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1700
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1DAE.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2992
            • C:\Users\Admin\AppData\Local\Temp\ec27b3c4d7b8b1ec4cca9848f166dc6b6562359bf88f82299c3e9cdfd8a27492.exe
              "C:\Users\Admin\AppData\Local\Temp\ec27b3c4d7b8b1ec4cca9848f166dc6b6562359bf88f82299c3e9cdfd8a27492.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:2792
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:2040
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2808
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2432
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2292
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2448

          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

            3e0f3babdcc9a6b921674cb08cced896

            SHA1

            2a872e41bac32e4273d473d655080b5afaef1c1e

            SHA256

            8b4f003bab40ce74a0c6280047bc3393d0fb936f885ce3b5f348334e79eab8ce

            SHA512

            c083ef6e69413cc86e1903a79dbd03fd10ae7c9540a9d57c84f077e30a109eb17c39b158c850ef9bf88342b73a4782a2af2f2245141ed9227f5dfcdc6f30d1ab

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

            Filesize

            478KB

            MD5

            e93193856beaecee9905e2a6f36be17f

            SHA1

            d4c267ea34f28f048e29461656984aad70912eda

            SHA256

            1d345f4e09acdbc12e63ce90d0bd373b56d50a378f4603d8425f6df815e44a7b

            SHA512

            1fbe9c0e86ad98d6a2a7924badec0fffc69a7d0a4839e8af45d0aedf1e4e24a4a798df0ec5b8d0aa6e0e566c0c83a4030549bd32b9ac27406fc772d4a2ff5fc3

          • C:\Users\Admin\AppData\Local\Temp\$$a1DAE.bat

            Filesize

            722B

            MD5

            b169b2cb33acc4985c2221c222cb203a

            SHA1

            d97d7d19a7d4634b04c87a9b32b7746faa94c302

            SHA256

            d19b7ad1064ff3eb6e8ff9c98a2aafecb0db1242828e807e5ab7fd1960c7672d

            SHA512

            93df8576e847198260f00e34d7368db1904fc0b69d9674f285779995607e694fbfa16e71b1d0ffa47de986872e91d4f02cc068cf11f38d4d7a81a5d58a3644c4

          • C:\Users\Admin\AppData\Local\Temp\ec27b3c4d7b8b1ec4cca9848f166dc6b6562359bf88f82299c3e9cdfd8a27492.exe.exe

            Filesize

            333KB

            MD5

            e5b38b9828293047f0352f7a38a22fb1

            SHA1

            681311628ac93f84371b2a069fa220dc89a3f672

            SHA256

            b85aeeaede189d9f56c843281a492cd8ada329f0b5b8b03d5a813eba3a290b61

            SHA512

            ed3e369451b938a556fb561afd6fd3ff5cfc93e386b035014fd4824a808f1e92e6d095ab33c340e6cd64ee00122fbd882abbcf0e15f3ffdb29a4fb9febe42920

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            726213d35258ba076580549e52061eec

            SHA1

            39a12705396eb8342dc9fb59a3bce3b55a09c1b0

            SHA256

            4ef6a1ec60914e008ecca180271f3dd46fba8e8a338c8ca455132ef55e1507e1

            SHA512

            0bfa7e46c86c18fbd3c74117f45e88ec2e4d07dfe6f3fc291c6c7790e1ace013bc28f77b56683caf2cc36f9b8baf3fde62943e0bdfdf81cbd3ff548d551b8132

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

          • F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\_desktop.ini

            Filesize

            8B

            MD5

            1b16d2dbd4281ce4e4e5729c608dcb0b

            SHA1

            851e624080ba5598edb808d4b30fe2d74999ce18

            SHA256

            c9e46fb51d0588ca1e48ca66731e11992770b9b74a982f9bdbb6ce5b5b75d549

            SHA512

            cd1c4cf7c7871cb48ce735226b25f689b340037e6c992441e566161de7fca7410762d1a0c2670ee4b6546f7ee854d3219e0e2315c3e0387d9bbe3f08076b5a59

          • memory/360-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/360-18-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1204-29-0x0000000002B60000-0x0000000002B61000-memory.dmp

            Filesize

            4KB

          • memory/2040-32-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2040-21-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2040-3279-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2040-4102-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB