Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
22/09/2024, 00:40
General
- Target f0f02bd33c34570b641fda56f5452f98_JaffaCakes118.exe
- Size 247KB
- Sample240922-a1n65atbph
- SHA256 5ef585d96c5e3b0413a90df2a01b44251f4d5759c2236ae7042f6aa211276c8b
Malware Config
Extracted
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C:\Users\ly595-readme.txt
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sodinokibi
- ---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension ly595. 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 practice - 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/9C88FA0303690014 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.cc/9C88FA0303690014 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: 7yOAtRCs5NvmfvSu3w0/Ls3QVFdArN8KFQ6ty3aAb3X0mNEtKHbTnYfHnbPA6eis F3hd4xvIfr0j3TChKVGrJC+YVqK49cc4pOqx7p4uVedcsB38pZzngru+Knm5LDxY 38wruL0K/iaAZwTegEjTkdCzJP18Z2bM0oR8grX0Kx5teXRr+jY/im7JIEIo/pIq q6oDjjZ7ZF73pGEDTGKu3c0kFzJ3G04BCJnfuWJJRJYt8yymfuz92o4xcbBamqsr WxBRA61FvVmX/Tm99dU0I8y7JUuYu2Fkfp5Fo+NhR33ke1uSnuyOMN+2sulQnnWx 8Mitg2AI9dicrJgH7exLZGNvRYebzwKBC/MkHBs235UAzWmZ57e6AUoqzmx4Q8NK 81/np1Dti3/qNgxABNU+skBB8g+VvllKpIpN2G5rqqAma4IhhoJgfEqNDF50hM16 hz/ZMOB9SQeP6NW3R6JQKyK2e2ww8g7XpyyTvIRpg4XboJmueiduCx0uI+LEeLdG gsA8uOSTg3T0yBsItkDnsDOwX5MHj76LAZwweNP/7znag4ITyFmyDAbia/uGxjBg 9koIvwfMVQlSpNrtwx/jANDS07NUkWRwB3Ec9zSd2TtQCa04zzPkTyXmoo5LU4Ak iRslLhg06eQjpbTmjcBCaYLoqdRJDs7BgNuBcfzXj0XMFxbfOaUAZnM7JUd5vps1 5NRy4JXcIDcI5z0eBXtJU50DVdE0+xiKCl/yqFa7iiTZ4H78OinCgM40IsWINonj yBBsjIMqRheNzz/vO7RJiLKdRLgz07U+A19ltvejB7a+THhGcTX72tWYbyHF0aJf oW4Z5qCrUXGjXuu0/U/y/GwLqYm8sroHrs/CMKCVbOwhONVRxC6uDO7jMugsKvYs BwXNzwuQkvHYfc43pLzVShEUpvYvjyBghIcy9mrd0/pR5/F0VFKqhVZPATMN87hO CGidLBK7iJCqR7tKIypRi6UUvi6pTvPQbA3LhhZCQqmkvmDjH3z7KMu8ZvbTdzL5 a7z55DQScaeSesh8nFFYu+SH7vsa++ajoG0x/y6l6G8VaHwfqJnDa8UOAnV2/mMY zgol6dxc5L4kQ9Bq1cw6unz9yPYlYuBOfFKcwNPKf4kZPj61my1Qyon9EhBe0QfS JdVKiTzMWrK8F3EkQAAFnmhR8rHWTyyCBixuMvvuyg5ufP7bNXOfFgfr0jaTNxh6 d3cXcKN3P3cUh1GcTyZPDj7fkEy2KSm8OFlxqzh0jp2yTmybpmNqrUag5kKpPE8x vmuSEaRVCuBh4AnuG21RzKCDWPaf7yInU4YUEOQT+KmLrmLS34WVo6RdC+45f+AB 8ArbKch6eYYf/U2XtKwZWlDOnR9aKPPkSfw3zRIk5QHAyynJ ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damage 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. !!! !!! !!!
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http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/9C88FA0303690014
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http://decryptor.cc/9C88FA0303690014
Signatures
- Detect Neshta payload 4 IoCs
- Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
- Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Modifies system executable filetype association 2 TTPs 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Sets desktop wallpaper using registry 2 TTPs 1 IoCs
- Drops file in Program Files directory 64 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\f0f02bd33c34570b641fda56f5452f98_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f0f02bd33c34570b641fda56f5452f98_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\f0f02bd33c34570b641fda56f5452f98_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\f0f02bd33c34570b641fda56f5452f98_JaffaCakes118.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Replay Monitor
Loading Replay Monitor...
Downloads
ACROTE~1.EXE
f0f02bd33c34570b641fda56f5452f98_JaffaCakes118.exe
__PSScriptPolicyTest_nkxxvr1y.mki.ps1
ly595-readme.txt
memory/1768-93-0x00007FFE7E843000-0x00007FFE7E845000-memory.dmp
memory/1768-94-0x00007FFE7E840000-0x00007FFE7F301000-memory.dmp
memory/1768-95-0x00007FFE7E840000-0x00007FFE7F301000-memory.dmp
memory/1768-101-0x00000264633B0000-0x00000264633D2000-memory.dmp
memory/1768-108-0x00007FFE7E840000-0x00007FFE7F301000-memory.dmp
memory/4448-592-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4448-593-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4448-595-0x0000000000400000-0x000000000041B000-memory.dmp