Analysis
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max time kernel
151s -
max time network
19s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
25-08-2021 09:28
General
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Target
6d4712df42ad0982041ef0e2e109ab5718b43830f2966bd9207a7fac3af883db.exe
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Size
71KB
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MD5
10aa058a3ac49e016cad7987b8e09886
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SHA1
cca6682330a819592c3b1ea0448ceb4e141593dc
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SHA256
6d4712df42ad0982041ef0e2e109ab5718b43830f2966bd9207a7fac3af883db
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SHA512
f115fb62b1ca5e18f6340d42ff4393e2b175917312ae1cc14e7a6a9322cf8adaf22457bc8213e2baafdc2cb19d5db1e5a9c003155cbf142d5a08604495e22f6e
Score
10/10
Malware Config
Extracted
Path
C:\tgln8vJnC.README.txt
Family
blackmatter
Ransom Note
~+
* +
' BLACK |
() .-.,='``'=. - o -
'=/_ \ |
* | '=._ |
\ `=./`, '
. '=.__.=' `=' *
+ Matter +
O * ' .
>>> What happens?
Your network is encrypted, and currently not operational.
We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data.
>>> What data stolen?
From your network was stolen 500 GB of data.
If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media.
Blog post link: %BLOG_URL%
>>> What guarantees?
We are not a politically motivated group and we do not need anything other than your money.
If you pay, we will provide you the programs for decryption and we will delete your data.
If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals.
We always keep our promises.
>> How to contact with us?
1. Download and install TOR Browser (https://www.torproject.org/).
2. Open http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/OYPF561W4U8HVA0NLVCKJCZB
>> Warning! Recovery recommendations.
We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs
http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/OYPF561W4U8HVA0NLVCKJCZB
Signatures
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BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
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Modifies extensions of user files 6 IoCs
Ransomware generally changes the extension on encrypted files.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies Control Panel 3 IoCs
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Modifies registry class 20 IoCs
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 17 IoCs
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Suspicious use of SetWindowsHookEx 5 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\6d4712df42ad0982041ef0e2e109ab5718b43830f2966bd9207a7fac3af883db.exe"C:\Users\Admin\AppData\Local\Temp\6d4712df42ad0982041ef0e2e109ab5718b43830f2966bd9207a7fac3af883db.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" /p C:\tgln8vJnC.README.txt2⤵
- Opens file in notepad (likely ransom note)
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122883⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
8KB
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Filesize
4KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
68KB