Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 03:48

General

  • Target

    17c09a3810d4e09dba5eabe52afd22928414057de463f43561e9f3f772fd55a4.exe

  • Size

    70KB

  • MD5

    51a58fe80c29030f01db0dd8889066e1

  • SHA1

    4dd303fddf4d079b41a9390b09eb5a8e0058b85d

  • SHA256

    17c09a3810d4e09dba5eabe52afd22928414057de463f43561e9f3f772fd55a4

  • SHA512

    42e9a41a2521ed170559832fb33cbe86c3afdc60ba11cefeba9b3d13522264253308284134e21fd7a58e0703c607901efd4e2d198d79789fd2bbb06a373eb59c

  • SSDEEP

    1536:/BMsrz8VuJlMXaDuiN3riw+d9bHrkT5gUHz7FxtJ:/Bp8ulMXaK4rBkfkT5xHzD

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:1192
      • C:\Users\Admin\AppData\Local\Temp\17c09a3810d4e09dba5eabe52afd22928414057de463f43561e9f3f772fd55a4.exe
        "C:\Users\Admin\AppData\Local\Temp\17c09a3810d4e09dba5eabe52afd22928414057de463f43561e9f3f772fd55a4.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2240
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1924
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1F05.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2588
            • C:\Users\Admin\AppData\Local\Temp\17c09a3810d4e09dba5eabe52afd22928414057de463f43561e9f3f772fd55a4.exe
              "C:\Users\Admin\AppData\Local\Temp\17c09a3810d4e09dba5eabe52afd22928414057de463f43561e9f3f772fd55a4.exe"
              4⤵
              • Executes dropped EXE
              PID:2720
          • 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:2292
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2700
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2628
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2692
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2536

          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

            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\$$a1F05.bat

            Filesize

            722B

            MD5

            e12d46f2c0a4ad5066dd17009071754e

            SHA1

            a1ab03ac46c06d4886aacd4a439720a3028da43b

            SHA256

            71fe1f1b000dbe397e16426d0c8d8dec0d0dce66c23e390ca0e07bb8e5e8d111

            SHA512

            c1f9317e11e8665a398a77756c28b9c504c878aed77cb89ff467e488b0b4a0025036abfd4b157a63276f4c29ca5c1c1662c8662c1df70c47c5a67a94ce609159

          • C:\Users\Admin\AppData\Local\Temp\17c09a3810d4e09dba5eabe52afd22928414057de463f43561e9f3f772fd55a4.exe.exe

            Filesize

            36KB

            MD5

            9f498971cbe636662f3d210747d619e1

            SHA1

            44b8e2732fa1e2f204fc70eaa1cb406616250085

            SHA256

            8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41

            SHA512

            b73083c2f7b028d2946cb8f7b4fe2289fedaa4175364a2aac37db0aeff4602aede772ccc9eba7e6dcfcb7276e52604ca45d8021952201b5834485b48bca3dc93

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            94cd6d8f19aa605f6272e77718e921cc

            SHA1

            e3a27adc311ba10d769eec7d49c4fcd31d5cc8d3

            SHA256

            e4b85b1edd03642cf845907985a60ace501a481804fc68d4862e6c119d3fbc18

            SHA512

            4bc4bf143cc1810ac59b481fe7553e7a34531daa8d32494868e2a9c506d8862ed3a9b590b592b457f1df62627186b9d4c8d773eff6adc0f4b62865fb47a072bb

          • F:\$RECYCLE.BIN\S-1-5-21-481678230-3773327859-3495911762-1000\_desktop.ini

            Filesize

            9B

            MD5

            4f2460b507685f7d7bfe6393f335f1c9

            SHA1

            378d42f114b1515872e58de6662373af31ab8c7b

            SHA256

            47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42

            SHA512

            75dcca6b81ac47511b847a5c35be4bddbee425436f7bfd1347115e18b84f52a16a5c517bda0a5f5d0a1f2541aab80d764932d8018538cb112fa3b6c9977e95eb

          • memory/1192-28-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

            Filesize

            4KB

          • memory/1996-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1996-18-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1996-16-0x0000000000440000-0x0000000000480000-memory.dmp

            Filesize

            256KB

          • memory/2292-19-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2292-32-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2292-3344-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2292-4177-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB