Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 20:17

General

  • Target

    15e358c9391f1accd8ca2984bb325bef1ee78606839aa9e8c53c07f483d5b8dc.exe

  • Size

    115KB

  • MD5

    c49739aace79aa32b5f26594c39384f4

  • SHA1

    c2f4516105156e60b0caee1641c64ae6d5624585

  • SHA256

    15e358c9391f1accd8ca2984bb325bef1ee78606839aa9e8c53c07f483d5b8dc

  • SHA512

    8422f5da3e6b9f41e562d46ac5b08fa825aa4abdbc34d21855d31331a0a848186e0d30b33858b8183f30985558c0fb524172a3fb70c21e1017a11de464e4bf2e

  • SSDEEP

    3072:/3e+a+3dN5M2ebrEFEIkJbHljDFEJK0u9y:m+aMdebrESIkJbFjJAu4

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:1160
      • C:\Users\Admin\AppData\Local\Temp\15e358c9391f1accd8ca2984bb325bef1ee78606839aa9e8c53c07f483d5b8dc.exe
        "C:\Users\Admin\AppData\Local\Temp\15e358c9391f1accd8ca2984bb325bef1ee78606839aa9e8c53c07f483d5b8dc.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2292
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2052
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2660
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1BF9.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2520
            • C:\Users\Admin\AppData\Local\Temp\15e358c9391f1accd8ca2984bb325bef1ee78606839aa9e8c53c07f483d5b8dc.exe
              "C:\Users\Admin\AppData\Local\Temp\15e358c9391f1accd8ca2984bb325bef1ee78606839aa9e8c53c07f483d5b8dc.exe"
              4⤵
              • Executes dropped EXE
              PID:2768
          • 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:2596
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2772
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2032
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2564
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2180

          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\$$a1BF9.bat
            Filesize

            722B

            MD5

            5806566ad56c39f854ee9d0fa977d455

            SHA1

            ebfc049e61f8aa9a74196f8cdeb00e725c86c8e9

            SHA256

            678ba1d36492af23541dbb6272427c8e8b4feecbcceb5acc161e82acfbd4164b

            SHA512

            1f6082c5df309ae6cc92c5b43ea49767cf993f5f401c6bc1c8f53e3b3e77a509e31a501122d084b514497a161389409dc11d284e62328b87ed0eba0bd217b2a5

          • C:\Users\Admin\AppData\Local\Temp\15e358c9391f1accd8ca2984bb325bef1ee78606839aa9e8c53c07f483d5b8dc.exe.exe
            Filesize

            81KB

            MD5

            555d7a9a45844e061845877f095d017b

            SHA1

            4b4269c1e2e29cd78c141fb66bb2965b04411033

            SHA256

            e86340a88f90a53d01d26629d517889aa12f5dc0150e5cb0bf8731bc2bce96ca

            SHA512

            c243d3bd51b891aff87718019d964189dee4f783ecef1f15bf0e2a378367e99d9844cbd527c70f5d6df373dd171da4bce03f4632e55c98e7bcc3335f20b0eb16

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1160-28-0x0000000002A10000-0x0000000002A11000-memory.dmp
            Filesize

            4KB

          • memory/2292-17-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2292-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2292-12-0x00000000002A0000-0x00000000002DF000-memory.dmp
            Filesize

            252KB

          • memory/2596-19-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2596-32-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2596-3320-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/2596-4143-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB