Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 15:14

General

  • Target

    642ec39d5f1fb0843ae3f7d9468e3a40fa72c3b9c660fe393c0c7b8adf3d63dd.exe

  • Size

    306KB

  • MD5

    a56a5975cd44356ce9924958f1ac41bc

  • SHA1

    0d2355913f67ad2c8511f092c66f30aec7ae9b5d

  • SHA256

    642ec39d5f1fb0843ae3f7d9468e3a40fa72c3b9c660fe393c0c7b8adf3d63dd

  • SHA512

    b868a40441e8ea068a9429d5275406bb7b33961e3aa851bf8a8f53f587bc8ac6e5abf5de8bbd09b2c1c73fe2cd7a84f13ffdcf3dfaac4819b61870bc19c55f7f

  • SSDEEP

    6144:m+aMkObiZKDAX0jH0o2zq9DmQ3LOotL4gr:m+aMxbiZKm4H8zq9Fjtdr

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:1192
      • C:\Users\Admin\AppData\Local\Temp\642ec39d5f1fb0843ae3f7d9468e3a40fa72c3b9c660fe393c0c7b8adf3d63dd.exe
        "C:\Users\Admin\AppData\Local\Temp\642ec39d5f1fb0843ae3f7d9468e3a40fa72c3b9c660fe393c0c7b8adf3d63dd.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2240
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1924
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1EF6.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2332
            • C:\Users\Admin\AppData\Local\Temp\642ec39d5f1fb0843ae3f7d9468e3a40fa72c3b9c660fe393c0c7b8adf3d63dd.exe
              "C:\Users\Admin\AppData\Local\Temp\642ec39d5f1fb0843ae3f7d9468e3a40fa72c3b9c660fe393c0c7b8adf3d63dd.exe"
              4⤵
              • Executes dropped EXE
              PID:2652
          • 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:2256
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2704
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2628
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2692
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2536

          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\$$a1EF6.bat
            Filesize

            722B

            MD5

            22d6d1f2e19ca4a0ac7560175317b7b5

            SHA1

            d1331fa6a944bbbfe8cd6a79004e0e3eb8de0e5e

            SHA256

            263c1945ea39eb7f24eedbe044848da1303463fcd90a9fce129ed81ce30f959b

            SHA512

            8bc4eb884808f4afc290acd81808668bdb24d65d8558324513033fc0bbab128ac234b9fda33c899c367df83fcbadb351c4ba825a632d7b5e705d949a471fd999

          • C:\Users\Admin\AppData\Local\Temp\642ec39d5f1fb0843ae3f7d9468e3a40fa72c3b9c660fe393c0c7b8adf3d63dd.exe.exe
            Filesize

            273KB

            MD5

            55e392d1bd55a1292b6ce766225416e5

            SHA1

            06d8134a3002e6974407fb5da0a59ab43415a52a

            SHA256

            db42cb95904cfc6891df2aa736506fb34a26cf9a26e88ab0ef262e0459344a3e

            SHA512

            0c55062cf8debbdf1a7a4f41527e43cd124fb7777e9b930de9cc900abf9c27a1956a536200e23dddc9a4068ac5bc9a8052299a4f2cf010cffd205a32d99581a2

          • 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/1192-29-0x0000000002CE0000-0x0000000002CE1000-memory.dmp
            Filesize

            4KB

          • memory/1996-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1996-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1996-16-0x00000000002C0000-0x00000000002FF000-memory.dmp
            Filesize

            252KB

          • memory/2256-20-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2256-33-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2256-3349-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2256-4178-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB