Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 14:14

General

  • Target

    42c450e12cc53a00764637b6cef6c28f41dba5994ee236e8f081e1b1dfe98597.exe

  • Size

    761KB

  • MD5

    c214f5a3396bf9848ef06c1b767a9736

  • SHA1

    275441a89b0e059ce965926f503f62a9d3e053d0

  • SHA256

    42c450e12cc53a00764637b6cef6c28f41dba5994ee236e8f081e1b1dfe98597

  • SHA512

    1859b7a1650b00dd4f8347b115bb21352f543a770e084bc912b8f6db6142397cf2454ed08858f37298df2a701ec58e1de5fec29532edbec2b3c6648a8233f2ed

  • SSDEEP

    12288:m+aMDGboup+VHKBX3jbgS/Wg0MIn7ou8XBKsHKZycUQUfXJvA:mB+2kHKlzcS/0MInsu8uZycUfvA

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:1256
      • C:\Users\Admin\AppData\Local\Temp\42c450e12cc53a00764637b6cef6c28f41dba5994ee236e8f081e1b1dfe98597.exe
        "C:\Users\Admin\AppData\Local\Temp\42c450e12cc53a00764637b6cef6c28f41dba5994ee236e8f081e1b1dfe98597.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2856
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2956
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a25D8.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2076
            • C:\Users\Admin\AppData\Local\Temp\42c450e12cc53a00764637b6cef6c28f41dba5994ee236e8f081e1b1dfe98597.exe
              "C:\Users\Admin\AppData\Local\Temp\42c450e12cc53a00764637b6cef6c28f41dba5994ee236e8f081e1b1dfe98597.exe"
              4⤵
              • Executes dropped EXE
              PID:2520
          • 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:2540
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2588
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2720
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2608
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2056

          Network

          MITRE ATT&CK Enterprise v15

          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\$$a25D8.bat
            Filesize

            722B

            MD5

            04c9e3a4105a86478b4a37c4a1e5382e

            SHA1

            7af07c9fd2b93ee3d88239e7bc59d03033041f07

            SHA256

            68175ee7e8b5e37a703ad93bc3bb1158747a561847d25f0567257460b3925bfe

            SHA512

            0b67117646985bf682d86833c126e56bae74a61910a61472061a8dfde3c1d2f200ae4e90c16b7179889ea099a102f844064f915b34d7f16ac7329a88417f8059

          • C:\Users\Admin\AppData\Local\Temp\42c450e12cc53a00764637b6cef6c28f41dba5994ee236e8f081e1b1dfe98597.exe
            Filesize

            728KB

            MD5

            23e2fc0497edd8195bcae45a1389bf85

            SHA1

            28d2f99739a49cb707f9348cd3195e234c853b1e

            SHA256

            92d70a8fc07cee881009026759a8aaa5debfb64069038f610988719ed3630107

            SHA512

            5ae4c17363aa70cd17532fcf76bdff86d2634956f6e0483e88a14b22ce3e6dd01ad233943409302ab3a858d9d9eddb1a5d6d376f48908b64ed655554abfb2b4c

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1256-28-0x0000000002CE0000-0x0000000002CE1000-memory.dmp
            Filesize

            4KB

          • memory/2024-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2024-17-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2540-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2540-32-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2540-3320-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2540-4136-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB