Analysis

  • max time kernel
    100s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10/06/2024, 06:29

General

  • Target

    66e7cf0074df6f8113d916150df7020efa7d4331e1fca3a8e8dd970c308b8ddf.exe

  • Size

    5.7MB

  • MD5

    ffdedf9f01400fa60aec00a05f2fe5b8

  • SHA1

    ea5f90c4a7a9845aed022a6c1e43950fc1476e5c

  • SHA256

    66e7cf0074df6f8113d916150df7020efa7d4331e1fca3a8e8dd970c308b8ddf

  • SHA512

    07f1cb62dcc38a7dfc2e116df0d7657892c447dfdcace523533281a4b4b2ac2a0840e8cfe7d419d7aaea4b8826f15f14a46f36164a511af4c71ecec02a0e7db0

  • SSDEEP

    49152:jPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTPBJ:rKUgTH2M2m9UMpu1QfLczqssnKSk

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
      • C:\Users\Admin\AppData\Local\Temp\66e7cf0074df6f8113d916150df7020efa7d4331e1fca3a8e8dd970c308b8ddf.exe
        "C:\Users\Admin\AppData\Local\Temp\66e7cf0074df6f8113d916150df7020efa7d4331e1fca3a8e8dd970c308b8ddf.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2136
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aBE3.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          PID:2848
          • C:\Users\Admin\AppData\Local\Temp\66e7cf0074df6f8113d916150df7020efa7d4331e1fca3a8e8dd970c308b8ddf.exe
            "C:\Users\Admin\AppData\Local\Temp\66e7cf0074df6f8113d916150df7020efa7d4331e1fca3a8e8dd970c308b8ddf.exe"
            4⤵
            • Executes dropped EXE
            PID:2736
        • 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:3052
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2244
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2616

      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

              254KB

              MD5

              9fff503fad7fa1d9cc7453fdf86ff0e0

              SHA1

              f9b728ba2e8bf2b3a570583f06b0fd7e9fce4ef2

              SHA256

              826148f8b31a5372a71adf8f51961e1b59de63c8865393feffb99ece5e113147

              SHA512

              c00773863ea4b6d88ba1c5a9dcfd2f1033e540c854f2f041bb193f367a9153d54d9fcec0c71e4e9834bbe98a6a5be030b045d34e3b54d69cddfd4d427895af4f

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

              Filesize

              411KB

              MD5

              b464d3dbe7cbe8f8203697710e8f5c5c

              SHA1

              17f186c97adb869ea0db82a0aa40a3eec9ed5a69

              SHA256

              1d2f8ef72d8a7e7e6ee3f95b3ddd834f48f97f042b29d6d2acc424f51d1cc556

              SHA512

              99742ff8b486e6613524e071350b41d93c51fcbf8135da8022e3219fdb117b031a310617e220d292a5a274d037f52c7ac9990ada5bc65df1abdb527c9e4949f2

            • C:\Users\Admin\AppData\Local\Temp\$$aBE3.bat

              Filesize

              721B

              MD5

              5403ff0bf3a0a5ab0b00c2d1f7586a1c

              SHA1

              dba2ac191989b664fd8c097a978c1d49cf21a80b

              SHA256

              0db066534289acb3d7308af0bb56da5a17175a939c5eeb2735dd66a1159cf3ff

              SHA512

              3165129c0bd90017766d0e5e36efe0f1b3318b1607fdbbf9aa13ed5931fd37a732e5eb0996127700f931b826b58c546a0be7de626ff5e6d585b66ac21764cb85

            • C:\Users\Admin\AppData\Local\Temp\66e7cf0074df6f8113d916150df7020efa7d4331e1fca3a8e8dd970c308b8ddf.exe.exe

              Filesize

              5.7MB

              MD5

              ba18e99b3e17adb5b029eaebc457dd89

              SHA1

              ec0458f3c00d35b323f08d4e1cc2e72899429c38

              SHA256

              f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

              SHA512

              1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              ba189b5e31c56a2e16e9c7accf623760

              SHA1

              52470f4d5e556832e9e4ff4625751ae62219d0ee

              SHA256

              037c1fc35982012dddedd497646d12ef35654415a14d4bbd467dca672954a3ed

              SHA512

              8da8c08b8af3450f715d2a04b492f2f459a93695bdf7514441705d041d5aba0df6edbb7a5e69e9a8bcbabd9f3c692e2522365ef2e889db3857043118c6df05b0

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

              Filesize

              9B

              MD5

              60b1ffe4d5892b7ae054738eec1fd425

              SHA1

              80d4e944617f4132b1c6917345b158f3693f35c8

              SHA256

              5e9944cc48c7ec641cf7b1b0125f47f26102c371a973612f0583f604bc3900d4

              SHA512

              7f5c200924dbb5531df997e6a35cb94f36b54f5651284b0d6404f0576301125ef72b410a170fca889d46c033063663cfc7791f9e4c3c30695af069053eee66cc

            • memory/1368-30-0x0000000002B30000-0x0000000002B31000-memory.dmp

              Filesize

              4KB

            • memory/2136-12-0x00000000002D0000-0x0000000000306000-memory.dmp

              Filesize

              216KB

            • memory/2136-18-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2136-0-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-32-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-45-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-91-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-97-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-1065-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-1850-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-39-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-3309-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/3052-19-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB