Overview

overview

10

Static

static

084574bf31...19.exe

windows7_x64

10

084574bf31...19.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    24-06-2020 14:57

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General

  • Target

    084574bf3180c1493c8f1bb5522e80255be673dbeca80b0a37ee487daf8c6919.exe

  • Size

    160KB

  • MD5

    a9a6801356bda621d857929a25919e67

  • SHA1

    c71c6a6dc811aab2d597a758bd09b2177f317497

  • SHA256

    084574bf3180c1493c8f1bb5522e80255be673dbeca80b0a37ee487daf8c6919

  • SHA512

    19540587b5c24976eec13465bb198f366379a022a1e0db5cee46da38c84de2ad0fac358a05b90bfd0772c9a648470cb7857782f59a25ba7faa39da2145c25624

Score
10/10
ransomwaredharmapersistencespyware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\FILES ENCRYPTED.txt

Ransom Note
all your data has been locked us You want to return? Write email [email protected]

Signatures

  • Suspicious use of WriteProcessMemory 37 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 27777 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Adds Run entry to start application 2 TTPs 3 IoCs
    persistence
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Drops desktop.ini file(s) 77 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 238 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Drops startup file 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\084574bf3180c1493c8f1bb5522e80255be673dbeca80b0a37ee487daf8c6919.exe
    "C:\Users\Admin\AppData\Local\Temp\084574bf3180c1493c8f1bb5522e80255be673dbeca80b0a37ee487daf8c6919.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:828
    • C:\Users\Admin\AppData\Local\Temp\084574bf3180c1493c8f1bb5522e80255be673dbeca80b0a37ee487daf8c6919.exe
      "C:/Users/Admin/AppData/Local/Temp/084574bf3180c1493c8f1bb5522e80255be673dbeca80b0a37ee487daf8c6919.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Adds Run entry to start application
      • Drops desktop.ini file(s)
      • Suspicious behavior: EnumeratesProcesses
      • Drops startup file
      PID:1504
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1328
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:1152
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:560
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1492
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:1408
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:1428
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            PID:852
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            PID:1564
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Modifies service
        • Suspicious use of AdjustPrivilegeToken
        PID:972

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Modify Existing Service

      1
      T1031

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      File Deletion

      2
      T1107

      Modify Registry

      3
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        Download Submit
      • C:\Users\Admin\AppData\Local\Temp\svhost.exe
        Download Submit
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        Download Submit
      • memory/560-5-0x0000000000000000-mapping.dmp
        Download
      • memory/852-10-0x0000000000000000-mapping.dmp
        Download
      • memory/852-21-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp
        Filesize

        64KB

        Download
      • memory/1152-4-0x0000000000000000-mapping.dmp
        Download
      • memory/1328-3-0x0000000000000000-mapping.dmp
        Download
      • memory/1408-8-0x0000000000000000-mapping.dmp
        Download
      • memory/1428-9-0x0000000000000000-mapping.dmp
        Download
      • memory/1492-7-0x0000000000000000-mapping.dmp
        Download
      • memory/1504-0-0x0000000000400000-0x0000000000419000-memory.dmp
        Filesize

        100KB

        Download
      • memory/1504-2-0x0000000000400000-0x0000000000419000-memory.dmp
        Filesize

        100KB

        Download
      • memory/1504-1-0x000000000040A9D0-mapping.dmp
        Download
      • memory/1564-11-0x0000000000000000-mapping.dmp
        Download