Overview

overview

10

Static

static

2c487a43ae...in.exe

windows7_x64

10

2c487a43ae...in.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    16-10-2020 16:36

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General

  • Target

    2c487a43ae6091d64f09bcfb1baa8b43fb502e9c9fc34f828cebfe251d9ad1f5.bin.exe

  • Size

    92KB

  • MD5

    c8ebe6f4b11dbc59aade73500887c200

  • SHA1

    ab1750df17d1a2ccc992833550eacac199e47a7d

  • SHA256

    2c487a43ae6091d64f09bcfb1baa8b43fb502e9c9fc34f828cebfe251d9ad1f5

  • SHA512

    687e0ed5d0f777ff77ee36f341f176cdd25136e82e5d79a0b4f20c19d375841c62adf7dfe9c0742b874d8cc7f12ad2487040761095a2c513c0c0ed6b0e72fe30

Score
10/10
ransomwarepersistencespywaredharma

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 backmydata2@protonmail.com or backmydata2@airmail.cc
Emails

backmydata2@protonmail.com

backmydata2@airmail.cc

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email backmydata2@protonmail.com YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: backmydata2@airmail.cc Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

backmydata2@protonmail.com

backmydata2@airmail.cc

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 3 IoCs
    persistence
  • Drops desktop.ini file(s) 77 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 27807 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 251 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c487a43ae6091d64f09bcfb1baa8b43fb502e9c9fc34f828cebfe251d9ad1f5.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\2c487a43ae6091d64f09bcfb1baa8b43fb502e9c9fc34f828cebfe251d9ad1f5.bin.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:1752
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1144
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1808
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:852
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1196
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1068
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1524
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1244
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Modifies service
        • Suspicious use of AdjustPrivilegeToken
        PID:1580

      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

      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
        MD5

        014af920fb895eb86d970b652f3c920b

        SHA1

        c268581f70fa0193e38a5e55eb9b4aae81827b64

        SHA256

        91c55be206c90dd60a0d0251fa8ea37223d2535d4f0d92d8abd642a140707d6f

        SHA512

        743b6f04592d1e68b4ebea7adb9992b9d8e73279fe778bbbb7fdffccb6fd87521208b3af1257301a190788875518bffd50c83fc9c4f63f7171ec4199c52cbf4a

        Download Submit
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        MD5

        014af920fb895eb86d970b652f3c920b

        SHA1

        c268581f70fa0193e38a5e55eb9b4aae81827b64

        SHA256

        91c55be206c90dd60a0d0251fa8ea37223d2535d4f0d92d8abd642a140707d6f

        SHA512

        743b6f04592d1e68b4ebea7adb9992b9d8e73279fe778bbbb7fdffccb6fd87521208b3af1257301a190788875518bffd50c83fc9c4f63f7171ec4199c52cbf4a

        Download Submit
      • memory/852-3-0x0000000000000000-mapping.dmp
        Download
      • memory/1068-6-0x0000000000000000-mapping.dmp
        Download
      • memory/1144-1-0x0000000000000000-mapping.dmp
        Download
      • memory/1196-4-0x0000000000000000-mapping.dmp
        Download
      • memory/1224-10-0x000007FEF6F00000-0x000007FEF717A000-memory.dmp
        Filesize

        2.5MB

        Download
      • memory/1244-7-0x0000000000000000-mapping.dmp
        Download
      • memory/1524-5-0x0000000000000000-mapping.dmp
        Download
      • memory/1808-2-0x0000000000000000-mapping.dmp
        Download
      • memory/1920-0-0x0000000000000000-mapping.dmp
        Download