Overview

overview

10

Static

static

3

a188e147ba...f4.exe

windows7-x64

10

a188e147ba...f4.exe

windows10-1703-x64

9

a188e147ba...f4.exe

windows10-2004-x64

10

a188e147ba...f4.exe

windows11-21h2-x64

10

Resubmissions

13/04/2024, 09:28

240413-lfvc7acf5210

13/04/2024, 09:28

240413-lft3esff2x10

13/04/2024, 09:28

240413-lfemqsff2t10

13/04/2024, 09:27

240413-le61lafe9110

13/04/2024, 09:27

240413-le6ptsfe9z10

09/04/2024, 08:16

240409-j555wadf8x10

09/04/2024, 08:16

240409-j55t4sdf8v10

09/04/2024, 08:16

240409-j54xtaad5910

09/04/2024, 08:15

240409-j52sfsad5710

04/11/2020, 01:00

201104-p65ygpgpnx9

Analysis

  • max time kernel
    130s
  • max time network
    91s
  • platform
    windows10-1703_x64
  • resource
    win10-20240319-en
  • resource tags

    arch:x64arch:x86image:win10-20240319-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13/04/2024, 09:28

Sharing

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Report Analysis Logs

General

  • Target
    a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe
  • Size 483KB
  • Sample240413-lft3esff2x
  • SHA256 a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
persistenceransomware

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 4 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.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe
    "C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C schtasks /Create /SC MINUTE /TN "Mouse Application" /TR "C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3864
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /SC MINUTE /TN "Mouse Application" /TR "C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe" /f
        3⤵
        • Creates scheduled task(s)
        PID:388
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wmic SHADOWCOPY DELETE & wbadmin DELETE SYSTEMSTATEBACKUP & bcdedit.exe / set{ default } bootstatuspolicy ignoreallfailures & bcdedit.exe / set{ default } recoveryenabled No
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic SHADOWCOPY DELETE
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 1824
      2⤵
      • Program crash
      PID:4212
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:784
  • C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe
    C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe
    1⤵
      PID:656
    • C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe
      C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe
      1⤵
        PID:2712
      • C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe
        C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.exe
        1⤵
          PID:312

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.log
              • Path C:\Users\Admin\AppData\Local\Temp\a188e147ba147455ce5e3a6eb8ac1a46bdd58588de7af53d4ad542c6986491f4.log
              • Size 658B
              • SHA256 6a2eb4f9420e59bc4c59799cf49f3ce4d2869c2b7aa45900391fd236737a8cbc
              • MD5 SHA1 SHA512
              Submit Download

              tor-lib.dll
              • Path \Users\Admin\AppData\Local\Temp\tor-lib.dll
              • Size 38KB
              • SHA256 9969c1e4cf32d1fe6140d6fabf63b6b093a6c6ff7045a187b14175d46cfb74a0
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download