Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 03:47

General

  • Target

    3bfe4f70173faf12dafe08bcabf4e8287caea7040a400b4abcc9cb4c833ca3ca.exe

  • Size

    577KB

  • MD5

    ba4c49b7bc2b5f6ec78dec7acc679d17

  • SHA1

    1a32f575ced41a4fd8b7ca8c987c9d1e1c00b036

  • SHA256

    3bfe4f70173faf12dafe08bcabf4e8287caea7040a400b4abcc9cb4c833ca3ca

  • SHA512

    64c6f6c05fae9ba45ba27e315ed147028e45f231c53743fb6aeea7a1089f80898ef8611ada983667583a1ec061237614f8b0d1726043f7f6576b264084671b9e

  • SSDEEP

    6144:IG5KQE7cV3iwbAFRWAbd4nf0H05yqE6Hl0ChW0+ksllAXBu0lWGWUJJQ4t0BHQQG:IPr7a3iwbihym2g7XO3LWUQfh4Co

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:1260
      • C:\Users\Admin\AppData\Local\Temp\3bfe4f70173faf12dafe08bcabf4e8287caea7040a400b4abcc9cb4c833ca3ca.exe
        "C:\Users\Admin\AppData\Local\Temp\3bfe4f70173faf12dafe08bcabf4e8287caea7040a400b4abcc9cb4c833ca3ca.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1960
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2616
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1268.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:3048
            • C:\Users\Admin\AppData\Local\Temp\3bfe4f70173faf12dafe08bcabf4e8287caea7040a400b4abcc9cb4c833ca3ca.exe
              "C:\Users\Admin\AppData\Local\Temp\3bfe4f70173faf12dafe08bcabf4e8287caea7040a400b4abcc9cb4c833ca3ca.exe"
              4⤵
              • Executes dropped EXE
              PID:2644
          • 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:1428
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2648
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2592
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2688
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3024

          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

            258KB

            MD5

            89a73460685a8ec8c28faa6831606709

            SHA1

            97b9556d1cfb15410d3cc325b7d98969baa64621

            SHA256

            a31c974ecfc6088a80b1494d4d670eb7d68702d46cbcca0b9c6d3ca5f6332d1d

            SHA512

            f5ab38639c051c177cada9aa101c22d96ee1109a508d228d5cfdb3ccde2224f422c48eb0ccb60740cbd9cad8fc089340a3fa5cab84a2d1793400940ce4fb59e9

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

            Filesize

            478KB

            MD5

            5264aab343fc1f53c29d1065346d0010

            SHA1

            db43bc0b28b4ada0c5635db50fd0b64410ab76ad

            SHA256

            d33d56847b353c8207a43aa01cc75527328ebf4bba669e90e29266d1b6fb57dd

            SHA512

            bb4ba1f7c5cae56cef564dd99f1a1fd3e2c656f8004f689a22ea641d886cbb3a19dde3dce5be4cf8cee4ce190170fd8c5390cb9c7c40ae54109559685119a958

          • C:\Users\Admin\AppData\Local\Temp\$$a1268.bat

            Filesize

            722B

            MD5

            e529484e92d1b2da96d42b0a9f6c7a33

            SHA1

            4fc3ade30150f36d9bc39fc240793175cc49fdc5

            SHA256

            7aa1de0379b429bbc4554c7686ccb979aaedf8af62963f9027660c9fa916b331

            SHA512

            50090e6affca4716c7f6f27cca39894a9f1687aab9f8056c18297bd3dc3dc6dd1c1a0fbb079c9d7b81697d6e8f5f0b9abeaac7c1192353e234655a828bac822f

          • C:\Users\Admin\AppData\Local\Temp\3bfe4f70173faf12dafe08bcabf4e8287caea7040a400b4abcc9cb4c833ca3ca.exe.exe

            Filesize

            544KB

            MD5

            9a1dd1d96481d61934dcc2d568971d06

            SHA1

            f136ef9bf8bd2fc753292fb5b7cf173a22675fb3

            SHA256

            8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525

            SHA512

            7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            94cd6d8f19aa605f6272e77718e921cc

            SHA1

            e3a27adc311ba10d769eec7d49c4fcd31d5cc8d3

            SHA256

            e4b85b1edd03642cf845907985a60ace501a481804fc68d4862e6c119d3fbc18

            SHA512

            4bc4bf143cc1810ac59b481fe7553e7a34531daa8d32494868e2a9c506d8862ed3a9b590b592b457f1df62627186b9d4c8d773eff6adc0f4b62865fb47a072bb

          • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini

            Filesize

            9B

            MD5

            4f2460b507685f7d7bfe6393f335f1c9

            SHA1

            378d42f114b1515872e58de6662373af31ab8c7b

            SHA256

            47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42

            SHA512

            75dcca6b81ac47511b847a5c35be4bddbee425436f7bfd1347115e18b84f52a16a5c517bda0a5f5d0a1f2541aab80d764932d8018538cb112fa3b6c9977e95eb

          • memory/1260-27-0x00000000025C0000-0x00000000025C1000-memory.dmp

            Filesize

            4KB

          • memory/1428-31-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1428-18-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1428-3318-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1428-4123-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1988-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1988-17-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB