Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    03-11-2023 22:28

General

  • Target

    8177455ab89cc96f0c26bc42907da1a4f0b21fdc96a0cc96650843fd616551f4.msi

  • Size

    126KB

  • MD5

    478dcb54e0a610a160a079656b9582de

  • SHA1

    5ea03fa8326ed87a0c81740092c131f23bc5f651

  • SHA256

    8177455ab89cc96f0c26bc42907da1a4f0b21fdc96a0cc96650843fd616551f4

  • SHA512

    3b1676e12e9b185e9f5ca7dfd43702fd04cc237c21b42137204db0d91bef39e778159115b1113ad3686e45ff9b2df3e5157a3d402ccccd87a656ddbf2b6c734e

  • SSDEEP

    1536:1lnjg5f3DXJLAsfog8Ct45QgVuS3R7YjRk8vYRUoAd2Qf:joJLAsmdi

Score
9/10

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (190) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Kills process with taskkill 40 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\8177455ab89cc96f0c26bc42907da1a4f0b21fdc96a0cc96650843fd616551f4.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2228
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\Installer\MSI8BDD.tmp
      "C:\Windows\Installer\MSI8BDD.tmp" debug
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c vssadmin delete shadows /all
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2912
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all
          4⤵
          • Interacts with shadow copies
          PID:2916
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im msftesql.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2712
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im msftesql.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2688
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im sqlagent.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im sqlagent.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1244
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im sqlbrowser.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1192
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im sqlbrowser.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:552
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im sqlservr.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1548
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im sqlservr.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2804
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im sqlwriter.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2660
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im sqlwriter.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:572
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im oracle.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:940
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im oracle.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:824
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im ocssd.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1424
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im ocssd.exe
          4⤵
          • Kills process with taskkill
          PID:916
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im dbsnmp.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2520
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im dbsnmp.exe
          4⤵
          • Kills process with taskkill
          PID:2568
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im synctime.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1808
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im synctime.exe
          4⤵
          • Kills process with taskkill
          PID:1036
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /c taskkill /f /im mydesktopqos.exe
        3⤵
          PID:2576
          • C:\Windows\system32\taskkill.exe
            taskkill /f /im mydesktopqos.exe
            4⤵
            • Kills process with taskkill
            PID:1844
        • C:\Windows\system32\cmd.exe
          "cmd.exe" /c taskkill /f /im agntsvc.exeisqlplussvc.exe
          3⤵
            PID:2280
            • C:\Windows\system32\taskkill.exe
              taskkill /f /im agntsvc.exeisqlplussvc.exe
              4⤵
              • Kills process with taskkill
              PID:1784
          • C:\Windows\system32\cmd.exe
            "cmd.exe" /c taskkill /f /im xfssvccon.exe
            3⤵
              PID:1496
              • C:\Windows\system32\taskkill.exe
                taskkill /f /im xfssvccon.exe
                4⤵
                • Kills process with taskkill
                PID:1716
            • C:\Windows\system32\cmd.exe
              "cmd.exe" /c taskkill /f /im mydesktopservice.exe
              3⤵
                PID:1908
                • C:\Windows\system32\taskkill.exe
                  taskkill /f /im mydesktopservice.exe
                  4⤵
                  • Kills process with taskkill
                  PID:2972
              • C:\Windows\system32\cmd.exe
                "cmd.exe" /c taskkill /f /im ocautoupds.exe
                3⤵
                  PID:1356
                  • C:\Windows\system32\taskkill.exe
                    taskkill /f /im ocautoupds.exe
                    4⤵
                    • Kills process with taskkill
                    PID:688
                • C:\Windows\system32\cmd.exe
                  "cmd.exe" /c taskkill /f /im agntsvc.exeagntsvc.exe
                  3⤵
                    PID:996
                    • C:\Windows\system32\taskkill.exe
                      taskkill /f /im agntsvc.exeagntsvc.exe
                      4⤵
                      • Kills process with taskkill
                      PID:992
                  • C:\Windows\system32\cmd.exe
                    "cmd.exe" /c taskkill /f /im agntsvc.exeencsvc.exe
                    3⤵
                      PID:2976
                      • C:\Windows\system32\taskkill.exe
                        taskkill /f /im agntsvc.exeencsvc.exe
                        4⤵
                        • Kills process with taskkill
                        PID:1988
                    • C:\Windows\system32\cmd.exe
                      "cmd.exe" /c taskkill /f /im firefoxconfig.exe
                      3⤵
                        PID:616
                        • C:\Windows\system32\taskkill.exe
                          taskkill /f /im firefoxconfig.exe
                          4⤵
                          • Kills process with taskkill
                          PID:2452
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c taskkill /f /im tbirdconfig.exe
                        3⤵
                          PID:1708
                          • C:\Windows\system32\taskkill.exe
                            taskkill /f /im tbirdconfig.exe
                            4⤵
                            • Kills process with taskkill
                            PID:1152
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c taskkill /f /im ocomm.exe
                          3⤵
                            PID:2212
                            • C:\Windows\system32\taskkill.exe
                              taskkill /f /im ocomm.exe
                              4⤵
                              • Kills process with taskkill
                              PID:1756
                          • C:\Windows\system32\cmd.exe
                            "cmd.exe" /c taskkill /f /im mysqld.exe
                            3⤵
                              PID:2156
                              • C:\Windows\system32\taskkill.exe
                                taskkill /f /im mysqld.exe
                                4⤵
                                • Kills process with taskkill
                                PID:280
                            • C:\Windows\system32\cmd.exe
                              "cmd.exe" /c taskkill /f /im mysqld-nt.exe
                              3⤵
                                PID:1588
                                • C:\Windows\system32\taskkill.exe
                                  taskkill /f /im mysqld-nt.exe
                                  4⤵
                                  • Kills process with taskkill
                                  PID:1692
                              • C:\Windows\system32\cmd.exe
                                "cmd.exe" /c taskkill /f /im mysqld-opt.exe
                                3⤵
                                  PID:2956
                                  • C:\Windows\system32\taskkill.exe
                                    taskkill /f /im mysqld-opt.exe
                                    4⤵
                                    • Kills process with taskkill
                                    PID:2508
                                • C:\Windows\system32\cmd.exe
                                  "cmd.exe" /c taskkill /f /im dbeng50.exe
                                  3⤵
                                    PID:832
                                    • C:\Windows\system32\taskkill.exe
                                      taskkill /f /im dbeng50.exe
                                      4⤵
                                      • Kills process with taskkill
                                      PID:2232
                                  • C:\Windows\system32\cmd.exe
                                    "cmd.exe" /c taskkill /f /im sqbcoreservice.exe
                                    3⤵
                                      PID:2480
                                      • C:\Windows\system32\taskkill.exe
                                        taskkill /f /im sqbcoreservice.exe
                                        4⤵
                                        • Kills process with taskkill
                                        PID:2676
                                    • C:\Windows\system32\cmd.exe
                                      "cmd.exe" /c taskkill /f /im excel.exe
                                      3⤵
                                        PID:1196
                                        • C:\Windows\system32\taskkill.exe
                                          taskkill /f /im excel.exe
                                          4⤵
                                          • Kills process with taskkill
                                          PID:3052
                                      • C:\Windows\system32\cmd.exe
                                        "cmd.exe" /c taskkill /f /im infopath.exe
                                        3⤵
                                          PID:632
                                          • C:\Windows\system32\taskkill.exe
                                            taskkill /f /im infopath.exe
                                            4⤵
                                            • Kills process with taskkill
                                            PID:780
                                        • C:\Windows\system32\cmd.exe
                                          "cmd.exe" /c taskkill /f /im msaccess.exe
                                          3⤵
                                            PID:3060
                                            • C:\Windows\system32\taskkill.exe
                                              taskkill /f /im msaccess.exe
                                              4⤵
                                              • Kills process with taskkill
                                              PID:2868
                                          • C:\Windows\system32\cmd.exe
                                            "cmd.exe" /c taskkill /f /im mspub.exe
                                            3⤵
                                              PID:2920
                                              • C:\Windows\system32\taskkill.exe
                                                taskkill /f /im mspub.exe
                                                4⤵
                                                • Kills process with taskkill
                                                PID:2696
                                            • C:\Windows\system32\cmd.exe
                                              "cmd.exe" /c taskkill /f /im onenote.exe
                                              3⤵
                                                PID:3040
                                                • C:\Windows\system32\taskkill.exe
                                                  taskkill /f /im onenote.exe
                                                  4⤵
                                                  • Kills process with taskkill
                                                  PID:1048
                                              • C:\Windows\system32\cmd.exe
                                                "cmd.exe" /c taskkill /f /im outlook.exe
                                                3⤵
                                                  PID:2800
                                                  • C:\Windows\system32\taskkill.exe
                                                    taskkill /f /im outlook.exe
                                                    4⤵
                                                    • Kills process with taskkill
                                                    PID:568
                                                • C:\Windows\system32\cmd.exe
                                                  "cmd.exe" /c taskkill /f /im powerpnt.exe
                                                  3⤵
                                                    PID:964
                                                    • C:\Windows\system32\taskkill.exe
                                                      taskkill /f /im powerpnt.exe
                                                      4⤵
                                                      • Kills process with taskkill
                                                      PID:2580
                                                  • C:\Windows\system32\cmd.exe
                                                    "cmd.exe" /c taskkill /f /im steam.exe
                                                    3⤵
                                                      PID:3048
                                                      • C:\Windows\system32\taskkill.exe
                                                        taskkill /f /im steam.exe
                                                        4⤵
                                                        • Kills process with taskkill
                                                        PID:2816
                                                    • C:\Windows\system32\cmd.exe
                                                      "cmd.exe" /c taskkill /f /im sqlservr.exe
                                                      3⤵
                                                        PID:1568
                                                        • C:\Windows\system32\taskkill.exe
                                                          taskkill /f /im sqlservr.exe
                                                          4⤵
                                                          • Kills process with taskkill
                                                          PID:952
                                                      • C:\Windows\system32\cmd.exe
                                                        "cmd.exe" /c taskkill /f /im thebat.exe
                                                        3⤵
                                                          PID:3064
                                                          • C:\Windows\system32\taskkill.exe
                                                            taskkill /f /im thebat.exe
                                                            4⤵
                                                            • Kills process with taskkill
                                                            PID:2848
                                                        • C:\Windows\system32\cmd.exe
                                                          "cmd.exe" /c taskkill /f /im thebat64.exe
                                                          3⤵
                                                            PID:2180
                                                            • C:\Windows\system32\taskkill.exe
                                                              taskkill /f /im thebat64.exe
                                                              4⤵
                                                              • Kills process with taskkill
                                                              PID:700
                                                          • C:\Windows\system32\cmd.exe
                                                            "cmd.exe" /c taskkill /f /im thunderbird.exe
                                                            3⤵
                                                              PID:2016
                                                              • C:\Windows\system32\taskkill.exe
                                                                taskkill /f /im thunderbird.exe
                                                                4⤵
                                                                • Kills process with taskkill
                                                                PID:2356
                                                            • C:\Windows\system32\cmd.exe
                                                              "cmd.exe" /c taskkill /f /im visio.exe
                                                              3⤵
                                                                PID:2384
                                                                • C:\Windows\system32\taskkill.exe
                                                                  taskkill /f /im visio.exe
                                                                  4⤵
                                                                  • Kills process with taskkill
                                                                  PID:1932
                                                              • C:\Windows\system32\cmd.exe
                                                                "cmd.exe" /c taskkill /f /im winword.exe
                                                                3⤵
                                                                  PID:384
                                                                  • C:\Windows\system32\taskkill.exe
                                                                    taskkill /f /im winword.exe
                                                                    4⤵
                                                                    • Kills process with taskkill
                                                                    PID:1960
                                                                • C:\Windows\system32\cmd.exe
                                                                  "cmd.exe" /c taskkill /f /im wordpad.exe
                                                                  3⤵
                                                                    PID:1980
                                                                    • C:\Windows\system32\taskkill.exe
                                                                      taskkill /f /im wordpad.exe
                                                                      4⤵
                                                                      • Kills process with taskkill
                                                                      PID:1584
                                                                  • C:\Windows\system32\cmd.exe
                                                                    "cmd.exe" /c taskkill /f /im tnslsnr.exe
                                                                    3⤵
                                                                      PID:1856
                                                                      • C:\Windows\system32\taskkill.exe
                                                                        taskkill /f /im tnslsnr.exe
                                                                        4⤵
                                                                        • Kills process with taskkill
                                                                        PID:1956
                                                                • C:\Windows\system32\vssvc.exe
                                                                  C:\Windows\system32\vssvc.exe
                                                                  1⤵
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  PID:2028
                                                                • C:\Windows\system32\DrvInst.exe
                                                                  DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000498" "0000000000000060"
                                                                  1⤵
                                                                  • Modifies data under HKEY_USERS
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  PID:2676

                                                                Network

                                                                MITRE ATT&CK Enterprise v15

                                                                Replay Monitor

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                                                                Downloads

                                                                • C:\Users\Admin\Music\READ_ME4.html

                                                                  Filesize

                                                                  1KB

                                                                  MD5

                                                                  d83ac45979eea226dc16a273cbe9cb7c

                                                                  SHA1

                                                                  4340ef0c564efd27f279a98eab98a4ab1d55cd1f

                                                                  SHA256

                                                                  e9a02e9279cb42bd967d72d6ee371c46a99fc13f794ece358ea2b94d58c5056e

                                                                  SHA512

                                                                  d437f2dfc5e4ddf7569466377589b4b1b35c900d0e0e764bfed4bb6aa23d29f9fc7473fb362a745c6433b33fc295f5e5a2283c1e0d103ce7ee37ad9ce2f602ee

                                                                • C:\Windows\Installer\MSI8BDD.tmp

                                                                  Filesize

                                                                  74KB

                                                                  MD5

                                                                  26ff72b0b85e764400724e442c164046

                                                                  SHA1

                                                                  c789942d013d8b45b6988ecc6491f5f1a1746311

                                                                  SHA256

                                                                  c3c0cf25d682e981c7ce1cc0a00fa2b8b46cce2fa49abe38bb412da21da99cb7

                                                                  SHA512

                                                                  fe9fdef93dfc44078cbbedd8d77c150932752be48b5f55eb0477c87bdcc8f4257fbaddf57b7d4a24c975f994d1940862bcd9444dc4b533561a10d27fac6058fe

                                                                • C:\Windows\Installer\MSI8BDD.tmp

                                                                  Filesize

                                                                  74KB

                                                                  MD5

                                                                  26ff72b0b85e764400724e442c164046

                                                                  SHA1

                                                                  c789942d013d8b45b6988ecc6491f5f1a1746311

                                                                  SHA256

                                                                  c3c0cf25d682e981c7ce1cc0a00fa2b8b46cce2fa49abe38bb412da21da99cb7

                                                                  SHA512

                                                                  fe9fdef93dfc44078cbbedd8d77c150932752be48b5f55eb0477c87bdcc8f4257fbaddf57b7d4a24c975f994d1940862bcd9444dc4b533561a10d27fac6058fe

                                                                • memory/2460-11-0x00000000004B0000-0x00000000004BC000-memory.dmp

                                                                  Filesize

                                                                  48KB

                                                                • memory/2460-12-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

                                                                  Filesize

                                                                  9.6MB

                                                                • memory/2460-13-0x0000000000B20000-0x0000000000BA0000-memory.dmp

                                                                  Filesize

                                                                  512KB

                                                                • memory/2460-14-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

                                                                  Filesize

                                                                  9.6MB

                                                                • memory/2460-16-0x0000000000B20000-0x0000000000BA0000-memory.dmp

                                                                  Filesize

                                                                  512KB

                                                                • memory/2460-15-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

                                                                  Filesize

                                                                  9.6MB