Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 15:14

General

  • Target

    088a1e5e1e95d229095039d099548fb605278fe617df79b95f3fd61fda3e564c.exe

  • Size

    101KB

  • MD5

    5e89bda5d69d4835713166dc6ba6ed7f

  • SHA1

    1c11d405e4d7ee1f24b36970442cf8585835c46e

  • SHA256

    088a1e5e1e95d229095039d099548fb605278fe617df79b95f3fd61fda3e564c

  • SHA512

    ff008b2aa53fec0af84ca6579b3029d4e70d5567ae47ec1c212221e25d44ef324084e3b55972dbdd46291e7a9cbf5f50668c18e3d2151c9f5d8afc95871fc23c

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nP9WtwXaa8NPI9j+RedcP01ic4Brg:/3e+a+3dN5VWtwXwKRj1EBrg

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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:1120
      • C:\Users\Admin\AppData\Local\Temp\088a1e5e1e95d229095039d099548fb605278fe617df79b95f3fd61fda3e564c.exe
        "C:\Users\Admin\AppData\Local\Temp\088a1e5e1e95d229095039d099548fb605278fe617df79b95f3fd61fda3e564c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2084
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1740
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2604
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1738.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2560
            • C:\Users\Admin\AppData\Local\Temp\088a1e5e1e95d229095039d099548fb605278fe617df79b95f3fd61fda3e564c.exe
              "C:\Users\Admin\AppData\Local\Temp\088a1e5e1e95d229095039d099548fb605278fe617df79b95f3fd61fda3e564c.exe"
              4⤵
              • Executes dropped EXE
              PID:2576
          • 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:2620
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2540
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2688
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2672
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2420

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Credential Access

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          System Information Discovery

          1
          T1082

          Collection

          Data from Local System

          1
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            478KB

            MD5

            3e2d3392a9d3ae3ed27661f81e853478

            SHA1

            fa8c023a3bff75e89ed39f5d4bfb5693d818ca8b

            SHA256

            09da8a31b7f420b9e4ed6d02e698bcc12a4f3efa46a53d1492a241a5784d44a8

            SHA512

            27652a29d728b92995b8ce46b150cd14baf5b65789591085ef3fa959dbc99efaa071b7a014ccaabeb6e84cdea642769dc98a7a1684afcda9be82dbb0b8d3fa17

          • C:\Users\Admin\AppData\Local\Temp\$$a1738.bat
            Filesize

            722B

            MD5

            738cc42dfea3b38e3de4c7dc36f6ba3c

            SHA1

            f17b35768c9ac57ff9ccd087c23810769380fd32

            SHA256

            c7721aa16ebc8251f23a83fa344b5f48f02c42a7bc50ef09bf6b076e87b702da

            SHA512

            16ba28c8814d05f2ee8d1592f8783a905ed25e0ac2567d85c68aade3d2661a43a323ddda5a5a2b3c891e4540f5455b70f867e8910c7858e4e5e6f7bebaf6dcb1

          • C:\Users\Admin\AppData\Local\Temp\088a1e5e1e95d229095039d099548fb605278fe617df79b95f3fd61fda3e564c.exe.exe
            Filesize

            68KB

            MD5

            48335cfbe6a9bdaa2492ca1320b70a3a

            SHA1

            6d3c3d659e3718a0b56f52c9d4386d55d7672b97

            SHA256

            4ec34f1d893e8cc02f669fb5eb329bbcc5374bd7e7284e8fd86fbc29d2ffeb4d

            SHA512

            9eaf3b380449ab1d2b4b6371336fc71f6a43eee0295de012d0859e7f3b80a87f9d8316b0e65d4ca450630ee17b95c64e79e594bfe27fb3965917b0c5bc2d1b58

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1120-29-0x0000000002BA0000-0x0000000002BA1000-memory.dmp
            Filesize

            4KB

          • memory/2084-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2084-17-0x00000000003C0000-0x00000000003FF000-memory.dmp
            Filesize

            252KB

          • memory/2084-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2084-12-0x00000000003C0000-0x00000000003FF000-memory.dmp
            Filesize

            252KB

          • memory/2620-33-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2620-3321-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2620-4143-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB