Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2023 01:09

General

  • Target

    248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f.exe

  • Size

    231KB

  • MD5

    61dc7863e4a3ce67e17ce7fd6451220a

  • SHA1

    fe8d8705c9628134e21b30fd0bf1ced4a1c1d848

  • SHA256

    248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f

  • SHA512

    15a255c487321e47e84d58f8cd6794eb48b755b25b2333cd24906b82004b756107cc3ef5f4fd1fed0ea73d8a539896b4b366ce2162eb4f365097d3513f1190d7

  • SSDEEP

    3072:zTe+azbRPrlr9RXF6Jw8KYg5zA5GsMYSxSJiN/vGss9kTBf9pAXAtPOYQwT:O+azbRZvo035iMhL/vGsbTBl2wOsT

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:1240
      • C:\Users\Admin\AppData\Local\Temp\248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f.exe
        "C:\Users\Admin\AppData\Local\Temp\248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1908
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2528
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2268
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a37C3.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2336
            • C:\Users\Admin\AppData\Local\Temp\248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f.exe
              "C:\Users\Admin\AppData\Local\Temp\248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f.exe"
              4⤵
              • Executes dropped EXE
              PID:2840
          • 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:3060
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2364
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2820
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2712
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2568

          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

            a39ea92cb295f86d4c64043c34986704

            SHA1

            59095753b9d8e37263e40cf5d5ad355859ef1fbe

            SHA256

            0e6de914fbdb42138d89fbbee2a2f7fde5ad83c8351d71df1b78a039e9fb998a

            SHA512

            ed3baa2355ac3fdb8e022dabb3498d53f9900ed59fbdd17390617df48308f48fd1e02bf61453da1116edf0c2d6a57349c5615e9abaef8dbf1b12e81accb082b2

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

            Filesize

            484KB

            MD5

            5a2f40b2593f5efdbbc86594d5fa839c

            SHA1

            803e86f344113ed0855ef5b199ae7ebf790659fa

            SHA256

            16ce04c96cf775c158f17ae4af59988543e971a9a7f9e6358e231e8fac9217f8

            SHA512

            88d285d48c48d13712490e7d3c33910aad474bc56402158c3c2980064d20098a81f91f635fe87df59b9c7d7d6127c66982e551cfa95a57b1cf62a6d07412ca78

          • C:\Users\Admin\AppData\Local\Temp\$$a37C3.bat

            Filesize

            722B

            MD5

            6d7c37d1fd4ef5bbc6cacc8d193a53c0

            SHA1

            55dd812b99c5f7e0bc014ecfb421c0b6b722e239

            SHA256

            5f3b173ddaf7b1b19ccc42b0458f63d8d09c1c62d57ed7c6f79ddec201ac98ea

            SHA512

            0c419098a3bfea9123dc5389bb4de15eed369ca3b9d82c71abff8c804e23841db30f17c76cd49e63942c21d66090bb618757595cbfcb819893c13b7ff1674f44

          • C:\Users\Admin\AppData\Local\Temp\$$a37C3.bat

            Filesize

            722B

            MD5

            6d7c37d1fd4ef5bbc6cacc8d193a53c0

            SHA1

            55dd812b99c5f7e0bc014ecfb421c0b6b722e239

            SHA256

            5f3b173ddaf7b1b19ccc42b0458f63d8d09c1c62d57ed7c6f79ddec201ac98ea

            SHA512

            0c419098a3bfea9123dc5389bb4de15eed369ca3b9d82c71abff8c804e23841db30f17c76cd49e63942c21d66090bb618757595cbfcb819893c13b7ff1674f44

          • C:\Users\Admin\AppData\Local\Temp\248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f.exe

            Filesize

            191KB

            MD5

            8aa98031128ef0c81d34207e3c60d003

            SHA1

            182164292e382455f00349625dd5fd1e41dcc0c8

            SHA256

            52def964142be6891054d2f95256a3b05d66887964fcd66b34abfe32477e8965

            SHA512

            8ba615af6d4cad84c57c20e318d6277e4bc114c07c14b72088c526a01d414fe719a43551582ecbc38bd352979720d182efc1f639c2c3e91c78b180449bcf2c12

          • C:\Users\Admin\AppData\Local\Temp\248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f.exe.exe

            Filesize

            191KB

            MD5

            8aa98031128ef0c81d34207e3c60d003

            SHA1

            182164292e382455f00349625dd5fd1e41dcc0c8

            SHA256

            52def964142be6891054d2f95256a3b05d66887964fcd66b34abfe32477e8965

            SHA512

            8ba615af6d4cad84c57c20e318d6277e4bc114c07c14b72088c526a01d414fe719a43551582ecbc38bd352979720d182efc1f639c2c3e91c78b180449bcf2c12

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            b3af5353b0c26cf4251cd41a4477deef

            SHA1

            f14f69e0ea78b87d2fb342c7a4319483f060ab74

            SHA256

            817cfaf869e6e5a36dd55478e0f5d38c8fea9b73c3b38e590b070754b6caeaf1

            SHA512

            a1af73fc3171880d02173ec46b8f67bce35340abb7afa9485cdb3f12ade4c83d46a22689b61ce82faf8468613d6405972fcaa2eb036d18adfe60d4fb42151370

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            b3af5353b0c26cf4251cd41a4477deef

            SHA1

            f14f69e0ea78b87d2fb342c7a4319483f060ab74

            SHA256

            817cfaf869e6e5a36dd55478e0f5d38c8fea9b73c3b38e590b070754b6caeaf1

            SHA512

            a1af73fc3171880d02173ec46b8f67bce35340abb7afa9485cdb3f12ade4c83d46a22689b61ce82faf8468613d6405972fcaa2eb036d18adfe60d4fb42151370

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            b3af5353b0c26cf4251cd41a4477deef

            SHA1

            f14f69e0ea78b87d2fb342c7a4319483f060ab74

            SHA256

            817cfaf869e6e5a36dd55478e0f5d38c8fea9b73c3b38e590b070754b6caeaf1

            SHA512

            a1af73fc3171880d02173ec46b8f67bce35340abb7afa9485cdb3f12ade4c83d46a22689b61ce82faf8468613d6405972fcaa2eb036d18adfe60d4fb42151370

          • C:\Windows\rundl132.exe

            Filesize

            39KB

            MD5

            b3af5353b0c26cf4251cd41a4477deef

            SHA1

            f14f69e0ea78b87d2fb342c7a4319483f060ab74

            SHA256

            817cfaf869e6e5a36dd55478e0f5d38c8fea9b73c3b38e590b070754b6caeaf1

            SHA512

            a1af73fc3171880d02173ec46b8f67bce35340abb7afa9485cdb3f12ade4c83d46a22689b61ce82faf8468613d6405972fcaa2eb036d18adfe60d4fb42151370

          • F:\$RECYCLE.BIN\S-1-5-21-1154728922-3261336865-3456416385-1000\_desktop.ini

            Filesize

            9B

            MD5

            35dff1b2d2822022424940d4487e8d0d

            SHA1

            cf3c5e0326ffacd39689a35b566c8d3c626cc96b

            SHA256

            0432a628b4273444218f05d7d906b391ab84e1d51bc1b084c37456324e0f84ae

            SHA512

            91c1e3f5497c8c249e695b9e6f844f141b8747d5d1c5d23d09a2e39aae974cfcfe26b6a4580904b87aa495d452df942937fd721ff8189016a59f61c0835e1665

          • \Users\Admin\AppData\Local\Temp\248d1881f945b53de09215c3041eefe9386aa0e77dee34a5b2f2909c4e08843f.exe

            Filesize

            191KB

            MD5

            8aa98031128ef0c81d34207e3c60d003

            SHA1

            182164292e382455f00349625dd5fd1e41dcc0c8

            SHA256

            52def964142be6891054d2f95256a3b05d66887964fcd66b34abfe32477e8965

            SHA512

            8ba615af6d4cad84c57c20e318d6277e4bc114c07c14b72088c526a01d414fe719a43551582ecbc38bd352979720d182efc1f639c2c3e91c78b180449bcf2c12

          • memory/1240-27-0x0000000002B00000-0x0000000002B01000-memory.dmp

            Filesize

            4KB

          • memory/1908-15-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1908-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1908-16-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/3060-31-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3060-1837-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3060-19-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/3060-4090-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB