Overview

overview

9

Static

static

3

60c24a4c6b...JC.exe

windows7-x64

9

60c24a4c6b...JC.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    75s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2023 08:45

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General

  • Target

    60c24a4c6b54b1f4baeaee585e5e2486bbd3ab4733de36bb28da1fdb20596e21exe_JC.exe

  • Size

    138KB

  • MD5

    7c055e203155b749a047987736400bfc

  • SHA1

    17f48b45920e1f3e6581e60b0ed346b5770e8363

  • SHA256

    60c24a4c6b54b1f4baeaee585e5e2486bbd3ab4733de36bb28da1fdb20596e21

  • SHA512

    8bccbac3f0e761ef19c7a97e7474ac9dc68ac58d4bdfbe095a4778400d2655b2a98d70c301c47f7cb072e77b3e3fde07a0c9a39c151908be5f7c47e1d5f24cb7

  • SSDEEP

    3072:UPgv1uTga8za7/aApO6fCR6kMgNjTX8jI8VD/dJJO04aN5uvvmRE7xIxT62Br09Q:oKZTMPVDdzR1N5sAxBN9dRd

Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (10001) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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\60c24a4c6b54b1f4baeaee585e5e2486bbd3ab4733de36bb28da1fdb20596e21exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\60c24a4c6b54b1f4baeaee585e5e2486bbd3ab4733de36bb28da1fdb20596e21exe_JC.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4572
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2032
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
        PID:268
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4576
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2296
    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
      1⤵
        PID:4168
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:5844

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      Persistence

      Privilege Escalation

      Defense Evasion

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Credential Access

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      3
      T1082

      Peripheral Device Discovery

      1
      T1120

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Resource Development

      Reconnaissance

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\FILE ENCRYPTED.txt
        Filesize

        334B

        MD5

        e4f855abc55b2bf304a66216e13c5ad8

        SHA1

        d72d90394f74a14a6cb27814a45575a322462fce

        SHA256

        e75a145c45cb21c0fa7df0b323b80a49e9e4cf4fe3901461fe521aa52e5ea87c

        SHA512

        85ff88a7a2a7a1d35c873e04084964b5ab74784144dfaca4c57b929ceddb8c6ecda5996877d95658544788b76d0dd98c218361c8884801672d93f81f6db087f8

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      • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
        Filesize

        14KB

        MD5

        da9e8bf862648fc87453e58f1bb3fd81

        SHA1

        3bafc36631ea063a07ad2112ffad541fc028ae05

        SHA256

        ee8de3f39f80d939e0a8c3797053d4a332e8dfe48be067213b5bd466784bb92b

        SHA512

        18dfce82ee2e4b3c276c554f94231c1d945973c8e3e6702e24625124cbb069841b19b077cc36e604e83f5a931e3e922013f1dccfafe4e8256628c00931dc2b78

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      • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
        Filesize

        14KB

        MD5

        daa5aca03a04c1024e7d28233a8ac5a4

        SHA1

        8c64ec77e48746b99891daafd841ed7880098bd1

        SHA256

        2acfecd3b43a63cc292628ef9a83da428196691d8df284be58ec64504ffaa834

        SHA512

        becc5e04c2fd1424a075c5b5788358b6ec20c3d7ceb99927612db2388616211e1ad99b77b101536cb957ba603659bc0115453ade7fe268b784ce7c544ef32704

        Download Submit