Overview

overview

10

Static

static

10

a22c5e4a7e...32.exe

windows7_x64

10

a22c5e4a7e...32.exe

windows10_x64

10

Analysis

  • max time kernel
    177s
  • max time network
    191s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 01:26

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General

  • Target

    a22c5e4a7eaa86c4e4b1f9c14ac3d8ca9bd5748129a74189ce9c132dae934332.exe

  • Size

    161KB

  • MD5

    70de91644acaf42fdc6a946548f89c02

  • SHA1

    595c965cf5aca5047ccdd939a5626451d6703e19

  • SHA256

    a22c5e4a7eaa86c4e4b1f9c14ac3d8ca9bd5748129a74189ce9c132dae934332

  • SHA512

    cc80c0fdd4f83f774785dce0f1830fd85da6a68504b811d794c2f257350680901ff29335ba2ca40f476682576b026849e6c95ab6ec5eb04fb6ae8aa3a4b5cf21

Score
10/10
sodinokibiransomwarespywarestealer

Malware Config

Extracted

Path

C:\un677k-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 un677k. 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/1854ECB909B9C73B 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/1854ECB909B9C73B 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: 6U2ItHMIVRFvyG61ytHr/a8+RtSu0N6YPhg0xszCNTjhFLofx9CEsh8fh8ABVCRE m/kvN6QXeo1dZIcKbI1CgkIsYtAsrGOX9dHXRgaoH1nETHrEcgnJ+BBBwVs7vEeb KjRN6PLNSKGIQMvuGc+YFSWUHZyyNcrZ8cnjp6KpiUmApXpCdQcnPi9JjO7YaMKd ivyDVBbXu7560pLMImXzjXKm/fYMq3q3Klbv8gaE0sLiRumQ/9wTy2EeYIsYaV6Y uP0cFO3WlIHvwpDvirZn5jSH99YROInF0ofh05bnVruEkUf9easBcw8GDcHWpFrG kLG38hof80r9gXziPHXDiXi4m/gboTrRzupDpsc2w/87st2pXRH7NRkyX3IXX2SQ QykNHj+jPekOuFnMPh6Ww90irXwguzGbdFNK23QxCiI5sQfhUYsiPXHavTpJRPWr /H6ooziPb/i5njhPhChuU3cQ3PUNVK71S9PI9GbcUNKYe6Wc0bH9Ku6gbFKRwe6n pPEj+KP0ZUAjoq6z3eyx00IInG1V/PnrX9KSmNmVKyDCRpwIIlAUoBACYeRn46xG O8Jvm1Nq3fLV96rICi/TYJB842ysPkB3HGAIPFY2W+dDrRTF9ZVB+8PCOQ4zIxvE spG1l48AR8lM9EN6C75zc9fxm3GiNdy4Sd35IUUImiq/SITN73lEJqPYes+8deeR JxU8XKVHsaLcsN6JAafuNLQhEogTffqtdeP0CLQWbwWO4HUE3OIOnMLmTI5CdKPQ Gppl3rkTrSNaaO4CKjxL7KyZ2CEXGp88NnqFVnSncC4tJQQBV2AMEG/5OH5S4dAL Ybwp1ahm6iGzgnvpZC7eLPbD1S0Lz6b+9mUj7HtT0mIB7CKQzxYV1WwiUMoDvysc oZAknbg50HfAELiY9PKN/z6AnZNpML8q8JMAppMT4QhCdBwg9lg9oTMty1GZq1fA fni9N8RKpHmps5GOC4g96wFvvwtHdgnUoFmZtSWhhqQFr/U2VoZ7ya43ZR/xtjXb ZMCahH+4oZ1bpUfzGOvm9wJVzkOA6EA3/lRd2FyM/JLMx1wNupmOb75QWbpGUiPS N9NtYJJDQ/Kmevrxwlh1uHAre+3YdEELjzOnBRXlOn+sJZn5YRd4/rJh Extension name: un677k ----------------------------------------------------------------------------------------- !!! 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/1854ECB909B9C73B

http://decryptor.top/1854ECB909B9C73B

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 6 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a22c5e4a7eaa86c4e4b1f9c14ac3d8ca9bd5748129a74189ce9c132dae934332.exe
    "C:\Users\Admin\AppData\Local\Temp\a22c5e4a7eaa86c4e4b1f9c14ac3d8ca9bd5748129a74189ce9c132dae934332.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:616
    • 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:1120
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:3964
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:532

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

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Downloads