Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 11:17

General

  • Target

    6ad09d061abc19754e50e37200a4c935dda0d4a33b03f4ff9c16bf58bf8f1be2.exe

  • Size

    583KB

  • MD5

    612c71f176cbb3a987994ef9d580f372

  • SHA1

    ab77fb255f0b3da4d50e3cdbf649c87188373a62

  • SHA256

    6ad09d061abc19754e50e37200a4c935dda0d4a33b03f4ff9c16bf58bf8f1be2

  • SHA512

    57a5d59e2b2892b17d769053ffc44957b7a119c43bab4528f9ea744b7df146dd0db25c82420e97515811c8a3e0dd8b6caf90b100a3a3dc2fb0fb0fe42cadbd9e

  • SSDEEP

    12288:td+azbvt7a3iwbihym2g7XO3LWUQfh4Co:nBzbA+gkE2fh4Co

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:1368
      • C:\Users\Admin\AppData\Local\Temp\6ad09d061abc19754e50e37200a4c935dda0d4a33b03f4ff9c16bf58bf8f1be2.exe
        "C:\Users\Admin\AppData\Local\Temp\6ad09d061abc19754e50e37200a4c935dda0d4a33b03f4ff9c16bf58bf8f1be2.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2656
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2832
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2932
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a8141.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2564
            • C:\Users\Admin\AppData\Local\Temp\6ad09d061abc19754e50e37200a4c935dda0d4a33b03f4ff9c16bf58bf8f1be2.exe
              "C:\Users\Admin\AppData\Local\Temp\6ad09d061abc19754e50e37200a4c935dda0d4a33b03f4ff9c16bf58bf8f1be2.exe"
              4⤵
              • Executes dropped EXE
              PID:2436
          • 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:2536
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2940
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2740
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2584
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:936

          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

                  264KB

                  MD5

                  ab6e14fd3b3b82a74d70dd03d0a8e116

                  SHA1

                  e8263c09ed7968ab04e1459ad46041ccdd9ff5e9

                  SHA256

                  03dda7016a22dd98411b67875e2fe461c960b068fbcb019579d8392530b41571

                  SHA512

                  851e9288ba102d5eabd34d887b70a883307bce31ccb4c7eeaf2b3010cb6bb9435a9c0261bfdafb4a0bf4046b6bc7928cbfb62599269a9c197ec2f83efaf258e8

                • C:\Users\Admin\AppData\Local\Temp\$$a8141.bat

                  Filesize

                  722B

                  MD5

                  3d5d33cea25372d9edfcd985a43b7ca2

                  SHA1

                  ac29837a749ffec97770f13246941415f92d59d9

                  SHA256

                  b8bb2fbb391a84e890044ce607024d8adcae66caf689e7bc89ab0698c26f37a1

                  SHA512

                  c20acf937602dccc8dc85e3d4fb9e1f757e20bf2c8f2c421027c22ef6e6c86c54a52169cd77ffba290b56c3462a29294cb291bfd7bbe0559579698102b413c4f

                • C:\Users\Admin\AppData\Local\Temp\6ad09d061abc19754e50e37200a4c935dda0d4a33b03f4ff9c16bf58bf8f1be2.exe.exe

                  Filesize

                  544KB

                  MD5

                  9a1dd1d96481d61934dcc2d568971d06

                  SHA1

                  f136ef9bf8bd2fc753292fb5b7cf173a22675fb3

                  SHA256

                  8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525

                  SHA512

                  7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa

                • C:\Windows\Logo1_.exe

                  Filesize

                  39KB

                  MD5

                  bc43e3c481e7fbe3ee697f9017cf4c1b

                  SHA1

                  6a76534a3a4bd72437b06bdccf1475846d7a308d

                  SHA256

                  c33f277a3cea2a938fc05fda7bf9b9a0ae89474eaacf6b0b6223e07eb4ec3b6a

                  SHA512

                  e5c2f3485b7573a6638f6d5ea2907371efc68b35655739e8e0c8f841de9c2d302b246eacb9627912cee5dd7ab0a9f7f652e73eb7d1925ddde20bb92e29310ce1

                • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  8c34dc99037d2222f90612d7a5e52499

                  SHA1

                  fda1121fbbb4ed65e2bbf0b7d7c9847d6f47fe7c

                  SHA256

                  5b74167b62086b62f2f1540c9601d4c70c005e86ff72d5d514f87c82df3cb468

                  SHA512

                  999a3f71583131a044764079e1d6c447190f81bdb3b32d3f423f97ea6f5a4cf431ddf0b5ad61a2f72e9aa280a859555c131c9b89a4713cdaf955a7f90b6258cf

                • memory/1368-28-0x00000000029D0000-0x00000000029D1000-memory.dmp

                  Filesize

                  4KB

                • memory/2536-32-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2536-19-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2536-761-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2536-3264-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2536-4081-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2656-15-0x0000000000870000-0x00000000008AD000-memory.dmp

                  Filesize

                  244KB

                • memory/2656-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2656-20-0x0000000000870000-0x00000000008AD000-memory.dmp

                  Filesize

                  244KB

                • memory/2656-16-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB