Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 20:14

General

  • Target

    66f2a87d003eff09142192245e17d3b30865288bd7e15587b6f9a48edeefe945.exe

  • Size

    67KB

  • MD5

    c9b03e63edf74dac67ad7f9c50315e29

  • SHA1

    a2fe95eca8062d848f182744d757df2fd270b61f

  • SHA256

    66f2a87d003eff09142192245e17d3b30865288bd7e15587b6f9a48edeefe945

  • SHA512

    4d1db095aa3ae42dda55fd72960a93faa0b662e7b16f104e9e49735df81db0481ddd9bd204e2433138c85974ac94ff66ff0517e20ca21cc3d87efeb6fd26a49c

  • SSDEEP

    1536:/qbSe+Zk78NR3dN5nPbZoEV0JuRUFyMOaHQ1l:/3e+a+3dN5+k0JXXOeQ

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:1376
      • C:\Users\Admin\AppData\Local\Temp\66f2a87d003eff09142192245e17d3b30865288bd7e15587b6f9a48edeefe945.exe
        "C:\Users\Admin\AppData\Local\Temp\66f2a87d003eff09142192245e17d3b30865288bd7e15587b6f9a48edeefe945.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1108
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2192
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2204
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a117E.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1468
            • C:\Users\Admin\AppData\Local\Temp\66f2a87d003eff09142192245e17d3b30865288bd7e15587b6f9a48edeefe945.exe
              "C:\Users\Admin\AppData\Local\Temp\66f2a87d003eff09142192245e17d3b30865288bd7e15587b6f9a48edeefe945.exe"
              4⤵
              • Executes dropped EXE
              PID:1472
          • 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:1464
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2868
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2568
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2716
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2660

          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\$$a117E.bat
            Filesize

            722B

            MD5

            b43311850f9434b13e3bb602f367032b

            SHA1

            019eecedc31ef4f56e1ebdf44fc43a722660dab6

            SHA256

            d6ee6571c72a1a53c092bb8736bf5fafde94de925b7bfa36e416677cc90149e6

            SHA512

            b91a5fa26e8a904915a4d3eb548e9e34c7fad58934e23ab06359178ddccaabb406ccd0a36da937d6f0fd92f29a46d6a115c0ce4fe2bba743dfcdc155b423f874

          • C:\Users\Admin\AppData\Local\Temp\66f2a87d003eff09142192245e17d3b30865288bd7e15587b6f9a48edeefe945.exe.exe
            Filesize

            33KB

            MD5

            69b16c7b7746ba5c642fc05b3561fc73

            SHA1

            83d80d668dca76b899e1bf662ddee0e0c18ac791

            SHA256

            0deceb6b1b7a2dd1f13133ac7328ff420dad4610cee1fa7466e8e0f6baa39116

            SHA512

            6b8eebcfe5b04141640047fe468371ad02bb115ee9ef00260c0b33cfd56b142c2e01b3b1c6f07281aa57b1f3b9fdb1f1082fe5620f88a57b92d8f547267ef154

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            3659e75ad8a2bdeef5f1d74aae41c2af

            SHA1

            95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

            SHA256

            dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

            SHA512

            f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

          • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\_desktop.ini
            Filesize

            9B

            MD5

            e7957b9f3d9556c996418169821a7993

            SHA1

            b7028de0f91d2e50a8d5f6d23613331a2784a142

            SHA256

            71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

            SHA512

            72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

          • memory/1108-18-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1108-0-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1108-12-0x0000000000230000-0x000000000026F000-memory.dmp
            Filesize

            252KB

          • memory/1376-29-0x0000000002960000-0x0000000002961000-memory.dmp
            Filesize

            4KB

          • memory/1464-19-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1464-33-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1464-3320-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB

          • memory/1464-4124-0x0000000000400000-0x000000000043F000-memory.dmp
            Filesize

            252KB