Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2023, 10:05

General

  • Target

    917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d.exe

  • Size

    178KB

  • MD5

    a1656b51ede83d178af80285c18ed8fe

  • SHA1

    f14435766e8ba6438341c257951d86edea8b23e7

  • SHA256

    917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d

  • SHA512

    dc3999a64a2fca65d8639ebcd874a05673ba812cb8800d2951dd4bb33d7c4448dac96864ddb1bc8729f33c0b14e419bdfc6f8ea4df207c5d5b521d0d90a110b3

  • SSDEEP

    3072:Q4e+aX3t4t7yr7EZSBI1f4uuOV0uT4lBtUCjZqMNq:Q+aX3Tpqf4NOV0u0Lvq

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\917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d.exe
        "C:\Users\Admin\AppData\Local\Temp\917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1212
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2160
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:740
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a7484.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2284
            • C:\Users\Admin\AppData\Local\Temp\917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d.exe
              "C:\Users\Admin\AppData\Local\Temp\917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d.exe"
              4⤵
              • Executes dropped EXE
              PID:2836
          • 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:1568
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2828
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3004
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2972
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2100

          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

            efa566edbbe8256f2935255931704127

            SHA1

            292ab9bb4f65ce7bdf67ac6ba189de9d233e18bd

            SHA256

            2cfe2c6680a0cd08894d7c8b4fa5a5f30e238dbd94b51c1a324bb2a2110ca938

            SHA512

            05c8893641262e142d33b01a07e623cd753f684bf939626cd9e1962b285bd6cd202946648e05178cee387d54d5254e9ef0c543b3a8926a441ed63421e78b2bc2

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

            Filesize

            478KB

            MD5

            f01e1e0718ca3110b117e544489e3839

            SHA1

            6c19ce81349add991c3a88926d586b3de6ff9548

            SHA256

            b044da00ae636042dc22870432b28488014098b7e01350031e82a361d45b588d

            SHA512

            ee9a34b33e30eed3ef7676c7c86c88f748886527fe61d2133a8f3365d11848de66b1c118ea4d3a05f97363d6dc829c4490e839e20a16847a651cc915b47b5a93

          • C:\Users\Admin\AppData\Local\Temp\$$a7484.bat

            Filesize

            722B

            MD5

            32d038e811a1d78937c9c96b046a1b31

            SHA1

            a866cc23c9521f0668c243b56bcd6bffbc16ade8

            SHA256

            f0b827674c1948e03686d94b3002d89638884d6ccc3b720161a1a7105b53e97d

            SHA512

            a65f3ecc96452b23a28984ab7943831fa547a659b8d4df208015aef21e91585265843b41565ddc7e36c9f0c0c9478d5da3e82a10fbfd6251eb871cb841356245

          • C:\Users\Admin\AppData\Local\Temp\$$a7484.bat

            Filesize

            722B

            MD5

            32d038e811a1d78937c9c96b046a1b31

            SHA1

            a866cc23c9521f0668c243b56bcd6bffbc16ade8

            SHA256

            f0b827674c1948e03686d94b3002d89638884d6ccc3b720161a1a7105b53e97d

            SHA512

            a65f3ecc96452b23a28984ab7943831fa547a659b8d4df208015aef21e91585265843b41565ddc7e36c9f0c0c9478d5da3e82a10fbfd6251eb871cb841356245

          • C:\Users\Admin\AppData\Local\Temp\917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d.exe

            Filesize

            145KB

            MD5

            dd798e7d8f45fd2bb73150eabbb39e9f

            SHA1

            77db74837435b2aca4bc66ccb9657e9ce04738f3

            SHA256

            9809ddb5a3b5cc20b84f30a0dc3bad1a726e57585bca8aec7bf6776d57bc250a

            SHA512

            8866ba434eb3e9ab160d66aa0efdda8c07000943f8ffe842b73d2890161922cbf37361ca3aa94da6a000c2e31409a70dbe9971fddf1413c25bdf38d42b91d4af

          • C:\Users\Admin\AppData\Local\Temp\917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d.exe.exe

            Filesize

            145KB

            MD5

            dd798e7d8f45fd2bb73150eabbb39e9f

            SHA1

            77db74837435b2aca4bc66ccb9657e9ce04738f3

            SHA256

            9809ddb5a3b5cc20b84f30a0dc3bad1a726e57585bca8aec7bf6776d57bc250a

            SHA512

            8866ba434eb3e9ab160d66aa0efdda8c07000943f8ffe842b73d2890161922cbf37361ca3aa94da6a000c2e31409a70dbe9971fddf1413c25bdf38d42b91d4af

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            ef9eb42f95fadaff3622d09ac241b4d9

            SHA1

            62efcafccf1a8f7b3c37b4e59a485d54be7a1f22

            SHA256

            08ffab3247c6f01e3709b367c8bbb9d419980cb00dcaf94e9b434768c53a4fde

            SHA512

            1705441d44c273be292fa30b1c53e0f2482321b36b54ccd94fe7ad289934e7807933da432bb63cfb26cc6d8c47184583bbf9dbc7a35d490a4218e81c8394f1b2

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            ef9eb42f95fadaff3622d09ac241b4d9

            SHA1

            62efcafccf1a8f7b3c37b4e59a485d54be7a1f22

            SHA256

            08ffab3247c6f01e3709b367c8bbb9d419980cb00dcaf94e9b434768c53a4fde

            SHA512

            1705441d44c273be292fa30b1c53e0f2482321b36b54ccd94fe7ad289934e7807933da432bb63cfb26cc6d8c47184583bbf9dbc7a35d490a4218e81c8394f1b2

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            ef9eb42f95fadaff3622d09ac241b4d9

            SHA1

            62efcafccf1a8f7b3c37b4e59a485d54be7a1f22

            SHA256

            08ffab3247c6f01e3709b367c8bbb9d419980cb00dcaf94e9b434768c53a4fde

            SHA512

            1705441d44c273be292fa30b1c53e0f2482321b36b54ccd94fe7ad289934e7807933da432bb63cfb26cc6d8c47184583bbf9dbc7a35d490a4218e81c8394f1b2

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            ef9eb42f95fadaff3622d09ac241b4d9

            SHA1

            62efcafccf1a8f7b3c37b4e59a485d54be7a1f22

            SHA256

            08ffab3247c6f01e3709b367c8bbb9d419980cb00dcaf94e9b434768c53a4fde

            SHA512

            1705441d44c273be292fa30b1c53e0f2482321b36b54ccd94fe7ad289934e7807933da432bb63cfb26cc6d8c47184583bbf9dbc7a35d490a4218e81c8394f1b2

          • F:\$RECYCLE.BIN\S-1-5-21-4159544280-4273523227-683900707-1000\_desktop.ini

            Filesize

            9B

            MD5

            8b4f0f3794942a0b3324694b5aaf44a6

            SHA1

            fa029f48b39b48494bf104d59cb517c977e7600d

            SHA256

            95c3656ec724bcf3b2d760138a1704c4ef9db0552c9a0895dc32e77ffd430a9d

            SHA512

            9716014d0639ef302640a773dbfbe69bd3592f3d8dedee83268352013a67cd72fc60a28a02d22f35406a3fb1b9e6461102a1d66b756855d8e68728d6ab8913ee

          • \Users\Admin\AppData\Local\Temp\917d195967e649e64ba9832f79194446e4b4d1067804f8c8275906c9b3c8504d.exe

            Filesize

            145KB

            MD5

            dd798e7d8f45fd2bb73150eabbb39e9f

            SHA1

            77db74837435b2aca4bc66ccb9657e9ce04738f3

            SHA256

            9809ddb5a3b5cc20b84f30a0dc3bad1a726e57585bca8aec7bf6776d57bc250a

            SHA512

            8866ba434eb3e9ab160d66aa0efdda8c07000943f8ffe842b73d2890161922cbf37361ca3aa94da6a000c2e31409a70dbe9971fddf1413c25bdf38d42b91d4af

          • memory/1212-15-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1212-32-0x0000000000320000-0x000000000035F000-memory.dmp

            Filesize

            252KB

          • memory/1212-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1212-17-0x0000000000320000-0x000000000035F000-memory.dmp

            Filesize

            252KB

          • memory/1212-16-0x0000000000320000-0x000000000035F000-memory.dmp

            Filesize

            252KB

          • memory/1240-28-0x0000000002B10000-0x0000000002B11000-memory.dmp

            Filesize

            4KB

          • memory/1568-20-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1568-33-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1568-1631-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1568-4091-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB