Overview

overview

10

Static

static

8e8b681842...5a.exe

windows7_x64

10

8e8b681842...5a.exe

windows10_x64

10

Analysis

  • max time kernel
    157s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    11-09-2020 08:09

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    8e8b6818423930eea073315743b788aef2f41198961946046b7b89042cb3f95a.exe

  • Size

    92KB

  • MD5

    9d919626f55b47d0766c219ba9b57d27

  • SHA1

    b58c2abea62887342118970ac4cb791765fd72bd

  • SHA256

    8e8b6818423930eea073315743b788aef2f41198961946046b7b89042cb3f95a

  • SHA512

    f901ed68683c481e09b5dbd52ed4d81cdac27711d9c104e933dfcb29a2f89a2c59e8f459fbe10df87c7d66356df2c985c727a0de5c64ca83ddf0205593046008

Score
10/10
ransomwaredharmaspywarepersistence

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 decrypt@europe.com or reservereserv@airmail.com
Emails

decrypt@europe.com

reservereserv@airmail.com

Signatures

  • Dharma

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

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 77 IoCs
  • Drops file in System32 directory 1 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 27816 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 246 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e8b6818423930eea073315743b788aef2f41198961946046b7b89042cb3f95a.exe
    "C:\Users\Admin\AppData\Local\Temp\8e8b6818423930eea073315743b788aef2f41198961946046b7b89042cb3f95a.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1852
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1776
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1784
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1172
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1900
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Modifies service
        • Suspicious use of AdjustPrivilegeToken
        PID:556

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Modify Existing Service

      1
      T1031

      Privilege Escalation

      Defense Evasion

      File Deletion

      2
      T1107

      Modify Registry

      2
      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

      • memory/1048-0-0x0000000000000000-mapping.dmp
        Download
      • memory/1172-4-0x0000000000000000-mapping.dmp
        Download
      • memory/1776-2-0x0000000000000000-mapping.dmp
        Download
      • memory/1784-3-0x0000000000000000-mapping.dmp
        Download
      • memory/1852-1-0x0000000000000000-mapping.dmp
        Download
      • memory/1900-5-0x0000000000000000-mapping.dmp
        Download