Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 20:17

General

  • Target

    56bd3aa8fd5886009b32597dcee7b9dc4e3b3dd4c341e81fa49dab74bab030d5.exe

  • Size

    87KB

  • MD5

    1857ae52442249f7f05233d6138f0df0

  • SHA1

    af951168fd35b645625d001e369bd42bc03764c2

  • SHA256

    56bd3aa8fd5886009b32597dcee7b9dc4e3b3dd4c341e81fa49dab74bab030d5

  • SHA512

    8b586ac454dfabc27096ac947e3aaca5ba970afb838aead994a3a94803a8dedf8780c37b3bf071fe9d7719c42d81d7424d109114798c34ed5c94be6e2e68845f

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nPHRbUi+QLcnC/ZMaRiIu/r:/3e+a+3dN5GnCRMaRiTT

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:1188
      • C:\Users\Admin\AppData\Local\Temp\56bd3aa8fd5886009b32597dcee7b9dc4e3b3dd4c341e81fa49dab74bab030d5.exe
        "C:\Users\Admin\AppData\Local\Temp\56bd3aa8fd5886009b32597dcee7b9dc4e3b3dd4c341e81fa49dab74bab030d5.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2100
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1788
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1700
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a19E7.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2968
            • C:\Users\Admin\AppData\Local\Temp\56bd3aa8fd5886009b32597dcee7b9dc4e3b3dd4c341e81fa49dab74bab030d5.exe
              "C:\Users\Admin\AppData\Local\Temp\56bd3aa8fd5886009b32597dcee7b9dc4e3b3dd4c341e81fa49dab74bab030d5.exe"
              4⤵
              • Executes dropped EXE
              PID:2660
          • 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:2444
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:812
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2752
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2868
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2652

          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\$$a19E7.bat
            Filesize

            722B

            MD5

            cbee40ea4148e4a3f6203053719023b6

            SHA1

            362281f7e68d20d65a583adf4d141314bdffa85d

            SHA256

            7bdad0683cefc0577647c344a39c8b2cd370e15137d81b12608d47e92103d00a

            SHA512

            7c54a3665c80130b66931e918b686b9c20804ca164136f18e64578a5834fd5e05a0ef583a29212c3a02953919449bdfb900a4f69d72d8b425018f6cc3171f30b

          • C:\Users\Admin\AppData\Local\Temp\56bd3aa8fd5886009b32597dcee7b9dc4e3b3dd4c341e81fa49dab74bab030d5.exe.exe
            Filesize

            53KB

            MD5

            87912631f20ab91421228cd219922519

            SHA1

            71a90e384de55c6f5257466e53f6c0add270a01d

            SHA256

            fcfdb5e2601430a674f599e054f65471e42cb18f8484aa8d8eb38f0c6f4e9c6d

            SHA512

            0843a6a6a1e7e6d394db8d939e5e11ddfbed917e262dcb41fddee490d7e1657d45edd93fa2e734a6d8419b2f935ef53c0185d626a83ef1e7d53db8e261f8fc8a

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

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

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1188-27-0x0000000002E10000-0x0000000002E11000-memory.dmp
            Filesize

            4KB

          • memory/2100-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2100-16-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2444-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2444-31-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2444-3342-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2444-4174-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB