Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 14:17

General

  • Target

    8a1292393a971cb5d0e2440298a0ed3dd54eb052a012db6209ae0d1ace8c726c.exe

  • Size

    93KB

  • MD5

    b5c46b1c9ec65852676321812f9f7e26

  • SHA1

    2596e077e5bac8b8f7d80866de3d1fc116ab755f

  • SHA256

    8a1292393a971cb5d0e2440298a0ed3dd54eb052a012db6209ae0d1ace8c726c

  • SHA512

    83acadeb59df0dd529bc9e1a1ad60069b8fa17f41de1e4763d009465f8adc86e2514965d45ed27f9b943c4086c61275aabadc3a4e85e50728465f8e82e5218aa

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nPbJvJnBpwdaMIOOnToIfiV6pdQ:/3e+a+3dN5TJvxKaCqTBfioo

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\8a1292393a971cb5d0e2440298a0ed3dd54eb052a012db6209ae0d1ace8c726c.exe
        "C:\Users\Admin\AppData\Local\Temp\8a1292393a971cb5d0e2440298a0ed3dd54eb052a012db6209ae0d1ace8c726c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2176
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1392
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2468
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a19D7.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2928
            • C:\Users\Admin\AppData\Local\Temp\8a1292393a971cb5d0e2440298a0ed3dd54eb052a012db6209ae0d1ace8c726c.exe
              "C:\Users\Admin\AppData\Local\Temp\8a1292393a971cb5d0e2440298a0ed3dd54eb052a012db6209ae0d1ace8c726c.exe"
              4⤵
              • Executes dropped EXE
              PID:2752
          • 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:2600
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2740
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2856
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2768
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2624

          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\$$a19D7.bat
            Filesize

            722B

            MD5

            08f0623b572a5723ab3bc3421a112502

            SHA1

            1dc03cc24fab1519d30267f6959f9ed0cf1b91d3

            SHA256

            5bd0a750380ea1dfc977c4f3871472ec5c9865a4dacdb4a2d75e6e3852942f66

            SHA512

            4758d7e1180c5b4892a5ebf161db5c3e21c899977c3171095f69d7628dd9e8a3c0f550615cb4ef81be42a83e179df3d1e268aa65166b36503f376069c8a16b56

          • C:\Users\Admin\AppData\Local\Temp\8a1292393a971cb5d0e2440298a0ed3dd54eb052a012db6209ae0d1ace8c726c.exe.exe
            Filesize

            60KB

            MD5

            7b112b1fb864c90ec5b65eab21cb40b8

            SHA1

            e7b73361f722fc7cbb93ef98a8d26e34f4d49767

            SHA256

            751941b4e09898c31791efeb5f90fc7367c89831d4a98637ed505e40763e287b

            SHA512

            bf9cdeff39cc4fa48457c55ad02e3856b5b27998535aed801a469252f01e7676462332fa3f93877753e963d037472f615c1fc5fc2e996316621b4e0a180cb5f5

          • 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/1192-28-0x0000000002590000-0x0000000002591000-memory.dmp
            Filesize

            4KB

          • memory/2176-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2176-12-0x0000000000230000-0x000000000026F000-memory.dmp
            Filesize

            252KB

          • memory/2176-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2600-31-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2600-3342-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2600-4174-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB