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
  • Sample200624-75616d9732
  • SHA256 084574bf3180c1493c8f1bb5522e80255be673dbeca80b0a37ee487daf8c6919
  • MD5 SHA1 SHA512
Score
10/10
ransomwaredharmapersistencespyware

Malware Config

Extracted

Path

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

Ransom Note

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 Enterprise v6

            Replay Monitor

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            Downloads

            memory/852-21-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp
            Download

            memory/1504-0-0x0000000000400000-0x0000000000419000-memory.dmp
            Download

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