Overview

overview

10

Static

static

10

509c851e99...27.exe

windows7_x64

10

509c851e99...27.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 02:06

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General

  • Target

    509c851e9914e818e1b925c9b60126b40b66b0b57fc3c7a3ecc46d28dcff5527.exe

  • Size

    158KB

  • MD5

    be6849450f53e2dfcb63fd9d0b629a18

  • SHA1

    0b8ab25273fa2a2a94e46f6db3937c253cc08547

  • SHA256

    509c851e9914e818e1b925c9b60126b40b66b0b57fc3c7a3ecc46d28dcff5527

  • SHA512

    e31ff724184faaf042e33af5dfdf17f920fca08230b99494843e4ad01b7f5f8c230ec57603d39cb4f293d176b05c315ffd317bd69db6623071f5463538075a54

Score
10/10
sodinokibiransomware

Malware Config

Extracted

Path

C:\Program Files\3f77iim8k-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion 3f77iim8k. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/0640C8DF914CAB94 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.top/0640C8DF914CAB94 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: tYes0GuBJs2ZsOCKjiJN7L2DzC5Xd1a+TQm6eUjsy5s/j0B997tFiynaZinhs+oo bUyC6xxhzFX1oJnf2KMLTYMjm4p4HXFrpd/U24QPIydL0LnQtHXOAqNXJQEVq/nt IZ5SinE/vGTDYWlxGpOfcbg+4ruC5Xlufqhw4f/1pBBPkF+Q2No27DPmf1qiKIGA PL6+p2oH7yjQMoy6PsEmKOUPMYdUJ++wrNIigMGXfn47+FrKsJw/OWnsP4dfKy0n hUSopm8RS7XO1x8fmhI1nQX37Pogf6xLKXsdRV31VOznDP/AxTgQJ1ySztfO3D6E /1dZSJL7V0V92BfyUje7eqI1w8cilU1eQ/eahPGjyZN9L3tODS8fz+vN+R97o4RV DqO1ApVS3/Q8EaNKmUsB7JLZe+yzZw6facI03AAjoYFZYWjTOkPxw+JiRE26hceG 1XpO5i5r5Fd8kvJp13I7wWND2msuFuUHCt3STShgCSR39Nie80ft3JMf4lhZK7XF g0txh6oXsb5BLIjd5Ro0PjUr2ebyEDFukm7Hpre4SrDzOZaDpeINXhumrF4QCH1U foic1SeYxaZO1to3E9jSuzqkXHU0eFr+PuwcgkRkIc2GjbKvUeG0RNMEHGrUsyUd ljgwqSywwZHQxvFv3FuqZW1v1BQrkAnNaj3rZ9E6kZ6g6KATysICZW1C25xTcjyJ 7msTCcGvx0e9pp5cLgSu/HD8vEeMef+1f7Fg5VHN5tsMpCxLtbiS8punqVCVnfJ3 4K2KAcBp+x2xK+q+girAw87BfWllDie2jCxZu7mIdb3ThTwOD3TQJU04hsOLbI3y YL/TIc2w9zTUmGskoAbPIiGYdnwJ1qlwsOaPjxTWH6fVJ9DzQ789dnv+ZPpHFL7w HCfdmA8nMI/Ak0tnp1tlghVI5pDYSyCAB+wt7WqNRbusfB8VGC5yhHRakgnvm+lP wDDBVu/w16fmIj5CGc59DEgkfzabFEXgmv7KZwafZVV+zggnO38KPy6xqnvcXWff 2ZsCRmZ+5DjF13zrsQ413Ron74DlTwrAvY8WaBYhWwvkodIRQ+n6p6XepIaJHwRd fPsdkdgleuePGGyxFBginZ5a Extension name: 3f77iim8k ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/0640C8DF914CAB94

http://decryptor.top/0640C8DF914CAB94

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

    ransomwaresodinokibi
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 12 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops desktop.ini file(s) 38 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\509c851e9914e818e1b925c9b60126b40b66b0b57fc3c7a3ecc46d28dcff5527.exe
    "C:\Users\Admin\AppData\Local\Temp\509c851e9914e818e1b925c9b60126b40b66b0b57fc3c7a3ecc46d28dcff5527.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:460
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1496
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1632

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

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Downloads

  • memory/948-55-0x0000000075321000-0x0000000075323000-memory.dmp
    Filesize

    8KB

    Download