Overview

overview

10

Static

static

f9731c6a91...5d.exe

windows7_x64

10

f9731c6a91...5d.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    28-02-2021 09:13

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    f9731c6a91210d68432036e839574be2130022763e2406d7a548cd330672da5d.exe

  • Size

    1.2MB

  • MD5

    8c58550a8e5edbfe872391c918fa6600

  • SHA1

    d3d1707112d7dfad769df536ca6dbbb8b45363a9

  • SHA256

    f9731c6a91210d68432036e839574be2130022763e2406d7a548cd330672da5d

  • SHA512

    04c24055cbb513b96a6b27b8644e061c2e177e66edec29e299549a75d33ce5b98e7bce6363f9ec107f6173927989b78eb017b43d8bb6ebcc5e3389c46db903f2

Score
10/10
dharmapersistenceransomwarespyware

Malware Config

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 pexdatax@gmail.com YOUR ID If you have not been answered via the link within 12 hours,Tox - 1123AA3360A5AFB77D928C4CD99E9EF66EF28FCEEE1F840B93456FD9CE562B7F92204B0D8904 please download - https://tox.chat/download.html or http://pexdatax.com/ write to us by e-mail: pexdatax@gmail.com 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

pexdatax@gmail.com

URLs

https://tox.chat/download.html

http://pexdatax.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 3 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9731c6a91210d68432036e839574be2130022763e2406d7a548cd330672da5d.exe
    "C:\Users\Admin\AppData\Local\Temp\f9731c6a91210d68432036e839574be2130022763e2406d7a548cd330672da5d.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:1144
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2836
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:936
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2284
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1244
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3480
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:3632
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3940
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3320

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Initial Access

          Execution

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Privilege Escalation

          Defense Evasion

          File Deletion

          2
          T1107

          Modify Registry

          1
          T1112

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          System Information Discovery

          1
          T1082

          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

            ddaa8404e61fc764bdaac16a944183a4

            SHA1

            34c5dfcc4a91c04f0a4e0164e2da7b84ec7ec697

            SHA256

            f9e42726ca3b91f827818ad7179e2321e14f41be6dbd03bc7e4cb42087ca2474

            SHA512

            79fb748363035e69f33f5e8947431c1eb24045211b12f393ec12f3325c3580e0a2545c812eef9153b2c44b8bb7c85659f3e6661bd86c49b88dec43f9d855962b

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

            ddaa8404e61fc764bdaac16a944183a4

            SHA1

            34c5dfcc4a91c04f0a4e0164e2da7b84ec7ec697

            SHA256

            f9e42726ca3b91f827818ad7179e2321e14f41be6dbd03bc7e4cb42087ca2474

            SHA512

            79fb748363035e69f33f5e8947431c1eb24045211b12f393ec12f3325c3580e0a2545c812eef9153b2c44b8bb7c85659f3e6661bd86c49b88dec43f9d855962b

            Download Submit
          • memory/936-9-0x0000000000000000-mapping.dmp
            Download
          • memory/1144-2-0x0000000000401000-0x000000000041E000-memory.dmp
            Filesize

            116KB

            Download
          • memory/1144-3-0x0000000006990000-0x0000000006991000-memory.dmp
            Filesize

            4KB

            Download
          • memory/1144-5-0x0000000004DA0000-0x0000000004DB9000-memory.dmp
            Filesize

            100KB

            Download
          • memory/1144-4-0x0000000004D80000-0x0000000004D93000-memory.dmp
            Filesize

            76KB

            Download
          • memory/1144-6-0x0000000000400000-0x0000000000419000-memory.dmp
            Filesize

            100KB

            Download
          • memory/1244-11-0x0000000000000000-mapping.dmp
            Download
          • memory/2284-10-0x0000000000000000-mapping.dmp
            Download
          • memory/2668-7-0x0000000000000000-mapping.dmp
            Download
          • memory/2836-8-0x0000000000000000-mapping.dmp
            Download
          • memory/3480-12-0x0000000000000000-mapping.dmp
            Download
          • memory/3632-13-0x0000000000000000-mapping.dmp
            Download
          • memory/3940-14-0x0000000000000000-mapping.dmp
            Download