Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-05-2024 19:15

General

  • Target

    f3a583e1a14257aa4f48db018981f0cbabdca3e70e2c0315313203ce08ccb655.exe

  • Size

    5.7MB

  • MD5

    a87bee4da1eef368e329fd35e2284611

  • SHA1

    15202f6d9b2bf752df98b529786ae9540dcb22a7

  • SHA256

    f3a583e1a14257aa4f48db018981f0cbabdca3e70e2c0315313203ce08ccb655

  • SHA512

    a31fa0144c41620746363734e48d7bc082a38190feefcf46292399f21417a09c340e05451aac742b8f751346f7d983d4c81835cff41dc914962d6022129f7024

  • SSDEEP

    49152:2BBPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTP:27KUgTH2M2m9UMpu1QfLczqssnKSk

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 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\f3a583e1a14257aa4f48db018981f0cbabdca3e70e2c0315313203ce08ccb655.exe
        "C:\Users\Admin\AppData\Local\Temp\f3a583e1a14257aa4f48db018981f0cbabdca3e70e2c0315313203ce08ccb655.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1936
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1732
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1752
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2DF3.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            PID:2572
            • C:\Users\Admin\AppData\Local\Temp\f3a583e1a14257aa4f48db018981f0cbabdca3e70e2c0315313203ce08ccb655.exe
              "C:\Users\Admin\AppData\Local\Temp\f3a583e1a14257aa4f48db018981f0cbabdca3e70e2c0315313203ce08ccb655.exe"
              4⤵
              • Executes dropped EXE
              PID:2396
          • 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:2612
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2588
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2624
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2792
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2536

          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

            e8dfde7841362df3fdcfa0c2231e2bde

            SHA1

            15c8028cf6ea8bb199a8e47f0afa51f752e97c7e

            SHA256

            987d9deb2936759b6e1ff836693bb39edccac7ed049642f9b7f9a2407c29c3a7

            SHA512

            3bf1bbcc34b10371c390fbfd8d9be881149c5ed722113272eb44b5d72ad5fb5c4859d6bb5e2dfcae3c43ea5c895b7fb7de229bbbfe3a6cbbdc576ab2d7dd4367

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

            Filesize

            484KB

            MD5

            1ca6cdb4a39c3c4e5697068cfc802a6f

            SHA1

            cc270899de7664dd49aeb83109890434b4a659cd

            SHA256

            ef407033e521f030ce9dd54de17bdfb95487780201385c04e15d1406d7454834

            SHA512

            fd29cdf191414a67921ffd329ffeb989ed0d7c61c22629833f4fc40ae9592bc25b5f3370e6e2c16d427fb8de9c7672bd741c3b81af340fed7fcab3ccaddc62aa

          • C:\Users\Admin\AppData\Local\Temp\$$a2DF3.bat

            Filesize

            722B

            MD5

            808ff1d676991f357286e82ed575359e

            SHA1

            61374fc936824279e3c74e779ebe53c3d3e4ecbf

            SHA256

            c4b5d00a1d2d7cd81481e8902df2e3dae6f370768f5392db34c20ccb28e60c65

            SHA512

            7d450cbb21cfe06a8647fa20b78b6d2d3afd37f2a1e02cd32c1cdd4369b29e2c888af072ca091543767d33a2343b7c02b362e80d58657102495d1e90b88666d8

          • C:\Users\Admin\AppData\Local\Temp\f3a583e1a14257aa4f48db018981f0cbabdca3e70e2c0315313203ce08ccb655.exe.exe

            Filesize

            5.7MB

            MD5

            ba18e99b3e17adb5b029eaebc457dd89

            SHA1

            ec0458f3c00d35b323f08d4e1cc2e72899429c38

            SHA256

            f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

            SHA512

            1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            6b310f4f06625eea7e7dc0d202b54785

            SHA1

            3bbe4c3438f73714d8b65175c3c23073203ab92e

            SHA256

            d294d9d69493d6af1c4d0eb5e4be608389e22699590fe8a366974ef278f9ffbd

            SHA512

            6bfd6711e2308b08e35a6976be0aa90de4a0bbabd4602f07cba8854de445d2e0c1198956183a58e4a69c97e54fae9b57f7962422b129b2d0b14eb872564fc29c

          • F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\_desktop.ini

            Filesize

            8B

            MD5

            35a8ee2041a708d5071bff39818311c3

            SHA1

            31114ee16a39b8ada4130a94c1c36ed74a563d2a

            SHA256

            b2405b086204a9155a2dabf58717e53695089ece5d0af208cb960473ba350f8b

            SHA512

            f17fa8c794a47b0134ac4d8e83010e8dce1a0f2ab74a400c571d6470737e386f4eb1351be6c5b153dc063c49d333b69ddf67871d2e0ffb3c02d243be0015f1f0

          • memory/1192-28-0x00000000024A0000-0x00000000024A1000-memory.dmp

            Filesize

            4KB

          • memory/1936-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1936-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1936-12-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/2612-19-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2612-32-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2612-3323-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2612-4142-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB