Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 18:14

General

  • Target

    b0b11c1f428d11b24329bcc9d9b7151eed0a51bcb50ff4f8361eb3e8b7422f09.exe

  • Size

    66KB

  • MD5

    d6eb8980692882e82ded7416d4850b8d

  • SHA1

    f21b0941b50502bb67908a27e51cdf03e4adff88

  • SHA256

    b0b11c1f428d11b24329bcc9d9b7151eed0a51bcb50ff4f8361eb3e8b7422f09

  • SHA512

    98fee922a8feb6f0651a5aa9e106b1993b63a8a4001183528c7fb510cded255f73c0539a0b3c797436b55d22612765e1f51b7b3cdd267c4ca63a48e178107688

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nPs/MF0Vz5gpEaDoc:/3e+a+3dN5k/W0VzBaDP

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:1132
      • C:\Users\Admin\AppData\Local\Temp\b0b11c1f428d11b24329bcc9d9b7151eed0a51bcb50ff4f8361eb3e8b7422f09.exe
        "C:\Users\Admin\AppData\Local\Temp\b0b11c1f428d11b24329bcc9d9b7151eed0a51bcb50ff4f8361eb3e8b7422f09.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2488
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2728
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3004
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1DCD.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2692
            • C:\Users\Admin\AppData\Local\Temp\b0b11c1f428d11b24329bcc9d9b7151eed0a51bcb50ff4f8361eb3e8b7422f09.exe
              "C:\Users\Admin\AppData\Local\Temp\b0b11c1f428d11b24329bcc9d9b7151eed0a51bcb50ff4f8361eb3e8b7422f09.exe"
              4⤵
              • Executes dropped EXE
              PID:2736
          • 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:2828
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2520
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2592
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2568
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2600

          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\$$a1DCD.bat
            Filesize

            722B

            MD5

            23967be9d10c88aea6e14a830d4103bc

            SHA1

            3a9e935f067e3d24c67d923760c5690070ddc1f9

            SHA256

            44a0d19c5680b3f32650038ab98e18aa9625f7295ac57c50f59075bec3a90414

            SHA512

            9474667ec0a6cba540a2b7b5ab10b184c7b78334a3720c462dd16a7a65a54c362a2e32f9ebaa6efa220164a280a8981a5394b024a83289fa5dd1899e0a63dee6

          • C:\Users\Admin\AppData\Local\Temp\b0b11c1f428d11b24329bcc9d9b7151eed0a51bcb50ff4f8361eb3e8b7422f09.exe.exe
            Filesize

            33KB

            MD5

            cfcf15f5729649399cfb9b2590c9e80a

            SHA1

            f595a3f2812a29492326e5a0478f3924bcbae545

            SHA256

            b6fde5431374f5cc8a2b6b6953d7c466ce8828faf68c43661a2c0cf87481868f

            SHA512

            bbd925abf352af8962ab5e7d4b76bc4146e806cb0f8fde8a7cc2c13318450b46dd5529f6855065241de56efd72e33f4f9961ef5aa4ba8fd3c1ca312444ac8e19

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-2248906074-2862704502-246302768-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1132-27-0x0000000002590000-0x0000000002591000-memory.dmp
            Filesize

            4KB

          • memory/2488-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2488-16-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2828-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2828-31-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2828-3318-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2828-4141-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB