Overview

overview

10

Static

static

7

EliStarA.exe

windows7-x64

10

EliStarA.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-02-2023 00:48

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General

  • Target

    EliStarA.exe

  • Size

    1.7MB

  • MD5

    6b8dcb09a6f8e836b5dcc600d11c6223

  • SHA1

    b0a1582b9e9871064afae5cb6b1d369599506763

  • SHA256

    11aaa12e58f39f192b4f66e56cd0e343d73b69a48dc77a6dfb936483de120152

  • SHA512

    feb8bd04778b29efc9b0128dbfd9562368eb825a560dc610abed6a73de1dc7bd33e5e198b439b36828d0a66d4657e354d4a65646141ad3425bed6fd74cb7fcae

  • SSDEEP

    49152:lJCDpfmhr2qIhBCwb8lIgwylCJHXv5y7lE8X:6HB/b8KgZA5E

Score
10/10
dmalockerhawkeyelockylocky_osirismodiloaderwannacrydiscoverykeyloggerpersistenceransomwarespywarestealertrojanupxworm

Malware Config

Signatures

  • DMA Locker

    Ransomware family with some advanced features, like encryption of unmapped network shares.

    ransomwaredmalocker
  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

    keyloggertrojanstealerspywarehawkeye
  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

    ransomwarelocky
  • Locky (Osiris variant)

    Variant of the Locky ransomware seen in the wild since early 2017.

    ransomwarelocky_osiris
  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    trojanmodiloader
  • Modifies system executable filetype association 2 TTPs 8 IoCs
    persistence
  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry
  • Adds policy Run key to start application 2 TTPs 4 IoCs
    persistence
  • Downloads MZ/PE file
  • Drops file in Drivers directory 19 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Drops startup file 64 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EliStarA.exe
    "C:\Users\Admin\AppData\Local\Temp\EliStarA.exe"
    1⤵
    • Modifies system executable filetype association
    • Adds policy Run key to start application
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Drops startup file
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c "del "\\.\C:\Users\Admin\AppData\Roaming\com2.{62D8ED13-C9D0-4CE8-A914-47DD628FB1B0}\*.*" /a /q"
      2⤵
        PID:4168
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c "del "\\.\C:\Users\Admin\AppData\Roaming\com4.{05d7b0f4-2121-4eff-bf6b-ed3f69b894d9}\*.*" /a /q"
        2⤵
          PID:840
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c "rd "\\.\C:\Users\Admin\AppData\Roaming\com2.{62D8ED13-C9D0-4CE8-A914-47DD628FB1B0}""
          2⤵
            PID:3700
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c "rd "\\.\C:\Users\Admin\AppData\Roaming\com4.{05d7b0f4-2121-4eff-bf6b-ed3f69b894d9}""
            2⤵
              PID:3852
            • C:\Windows\SYSTEM32\cmd.exe
              cmd /c "rd "\\.\C:\Users\Admin\AppData\Roaming\com6.{00C6D95F-329C-409a-81D7-C46C66EA7F33}""
              2⤵
                PID:3272
              • C:\Windows\SYSTEM32\cmd.exe
                cmd /c "rd "\\.\C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}""
                2⤵
                  PID:3476
                • C:\Windows\SYSTEM32\cmd.exe
                  cmd /c "del "\\.\C:\Users\Admin\AppData\Roaming\lpt3.{1D2680C9-0E2A-469d-B787-065558BC7D43}\*.*" /a /q"
                  2⤵
                    PID:4944
                  • C:\Windows\SYSTEM32\cmd.exe
                    cmd /c "rd "\\.\C:\Users\Admin\AppData\Roaming\lpt3.{1D2680C9-0E2A-469d-B787-065558BC7D43}""
                    2⤵
                      PID:4056
                    • C:\Windows\SYSTEM32\cmd.exe
                      cmd /c "del "\\.\C:\Users\Admin\AppData\Roaming\lpt6.{17cd9488-1228-4b2f-88ce-4298e93e0966}\*.*" /a /q"
                      2⤵
                        PID:4328
                      • C:\Windows\SYSTEM32\cmd.exe
                        cmd /c "rd "\\.\C:\Users\Admin\AppData\Roaming\lpt6.{17cd9488-1228-4b2f-88ce-4298e93e0966}""
                        2⤵
                          PID:1816
                        • C:\Windows\SYSTEM32\cmd.exe
                          cmd /c "del "\\.\C:\Users\Admin\AppData\Roaming\lpt7.{05d7b0f4-2121-4eff-bf6b-ed3f69b894d9}\*.*" /a /q"
                          2⤵
                            PID:3824
                          • C:\Windows\SYSTEM32\cmd.exe
                            cmd /c "rd "\\.\C:\Users\Admin\AppData\Roaming\lpt7.{05d7b0f4-2121-4eff-bf6b-ed3f69b894d9}""
                            2⤵
                              PID:4912
                            • C:\Windows\SYSTEM32\cmd.exe
                              cmd /c "del "\\.\C:\WINDOWS\FONTS\COM4.{241D7C96-F8BF-4F85-B01F-E2B043341A4B}\*.*" /a /q"
                              2⤵
                                PID:2032
                              • C:\Windows\SYSTEM32\cmd.exe
                                cmd /c "rd "\\.\C:\WINDOWS\FONTS\COM4.{241D7C96-F8BF-4F85-B01F-E2B043341A4B}""
                                2⤵
                                  PID:1500
                                • C:\Windows\SYSTEM32\cmd.exe
                                  cmd /c "del \\.\C:\con.sys\*.* /a /q"
                                  2⤵
                                    PID:2544
                                  • C:\Windows\SYSTEM32\cmd.exe
                                    cmd /c "del \\.\C:\con.ini\*.* /a /q"
                                    2⤵
                                      PID:1032
                                    • C:\Windows\SYSTEM32\cmd.exe
                                      cmd /c "rd \\.\C:\con.ini"
                                      2⤵
                                        PID:1520
                                      • C:\Windows\SYSTEM32\cmd.exe
                                        cmd /c "rd \\.\C:\con.sys"
                                        2⤵
                                          PID:4924
                                        • C:\Windows\SYSTEM32\cmd.exe
                                          cmd /c "del "\\.\C:\Users\Admin\AppData\Roaming\lpt2.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\*.*" /a /q"
                                          2⤵
                                            PID:4380
                                          • C:\Windows\SYSTEM32\cmd.exe
                                            cmd /c "del "\\.\C:\Users\Admin\AppData\Roaming\com6.{00C6D95F-329C-409a-81D7-C46C66EA7F33}\*.*" /a /q"
                                            2⤵
                                              PID:3020
                                            • C:\Windows\SYSTEM32\cmd.exe
                                              cmd /c "del \\.\C:\con.usb\*.* /a /q"
                                              2⤵
                                                PID:4140
                                              • C:\Windows\SYSTEM32\cmd.exe
                                                cmd /c "rd \\.\C:\con.usb"
                                                2⤵
                                                  PID:2452
                                              • C:\Windows\system32\msiexec.exe
                                                C:\Windows\system32\msiexec.exe /V
                                                1⤵
                                                • Enumerates connected drives
                                                • Drops file in Program Files directory
                                                • Drops file in Windows directory
                                                • Modifies data under HKEY_USERS
                                                • Modifies registry class
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:1148
                                                • C:\Windows\SysWOW64\schtasks.exe
                                                  C:\Windows\SysWOW64\schtasks.exe -delete -tn Microsoft\Windows\WindowsUpdate\RUXIM\RUXIMDisplay -F
                                                  2⤵
                                                    PID:2128
                                                  • C:\Windows\SysWOW64\schtasks.exe
                                                    C:\Windows\SysWOW64\schtasks.exe -delete -tn Microsoft\Windows\WindowsUpdate\RUXIM\RUXIMSync -F
                                                    2⤵
                                                      PID:1640
                                                    • C:\Windows\SysWOW64\schtasks.exe
                                                      C:\Windows\SysWOW64\schtasks.exe -create -tn Microsoft\Windows\WindowsUpdate\RUXIM\PLUGScheduler -xml plugscheduler.xml -F
                                                      2⤵
                                                        PID:4668
                                                    • C:\Windows\system32\wuauclt.exe
                                                      "C:\Windows\system32\wuauclt.exe" /UpdateDeploymentProvider UpdateDeploymentProvider.dll /ClassId 4c48dc25-f848-4ead-b5a7-029f3fad883b /RunHandlerComServer
                                                      1⤵
                                                        PID:4712
                                                      • C:\Windows\system32\vssvc.exe
                                                        C:\Windows\system32\vssvc.exe
                                                        1⤵
                                                        • Checks SCSI registry key(s)
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        PID:2056
                                                      • C:\Windows\system32\srtasks.exe
                                                        C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                                                        1⤵
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        PID:3016
                                                      • C:\Windows\system32\wuauclt.exe
                                                        "C:\Windows\system32\wuauclt.exe" /UpdateDeploymentProvider UpdateDeploymentProvider.dll /ClassId 7c797ce7-296a-411b-b0a2-4d5a4376e9db /RunHandlerComServer
                                                        1⤵
                                                          PID:2072
                                                        • C:\Windows\system32\MusNotificationUx.exe
                                                          %systemroot%\system32\MusNotificationUx.exe QueryNotificationState
                                                          1⤵
                                                          • Checks processor information in registry
                                                          • Suspicious use of FindShellTrayWindow
                                                          • Suspicious use of SendNotifyMessage
                                                          PID:1252

                                                        Network

                                                        MITRE ATT&CK Enterprise v6

                                                        Replay Monitor

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                                                        Downloads

                                                        • C:\Program Files\RUXIM\plugscheduler.xml
                                                          Filesize

                                                          3KB

                                                          MD5

                                                          159a6525d9aa23a19945f3a8388b0a76

                                                          SHA1

                                                          9a0d4e0f5433d0ce7fb9caa6bd83c5fb3ff68207

                                                          SHA256

                                                          581002c8af74d590259b36656023499d2fead6a2fc5632472fd3eef9563cf4d9

                                                          SHA512

                                                          726cc4faa8b0977c22e996d71bab818936c0adfd8fd1ea02dea076f588513a0462388e7d3f51ce4d71cee835cde9366a03ee980d417fbc94182af07569b71538

                                                          Download Submit

                                                        • memory/2140-133-0x0000000000400000-0x00000000005BF000-memory.dmp

                                                          Filesize

                                                          1.7MB

                                                          Download

                                                        • memory/2140-156-0x0000000000400000-0x00000000005BF000-memory.dmp

                                                          Filesize

                                                          1.7MB

                                                          Download

                                                        • memory/2140-132-0x0000000000400000-0x00000000005BF000-memory.dmp

                                                          Filesize

                                                          1.7MB

                                                          Download