Analysis
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max time kernel
153s -
max time network
39s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
20-09-2021 12:44
General
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Target
0751c422962dcd500d7cf2cf8bf544ddf5b2fe3465df7dd9b9998f6bba5e08a4.bin.sample.exe
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Size
79KB
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MD5
900b7b852674521b306bb03eb991b94a
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SHA1
ed5b159b94ed5977efc1f3e05490545d7cb6a93e
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SHA256
0751c422962dcd500d7cf2cf8bf544ddf5b2fe3465df7dd9b9998f6bba5e08a4
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SHA512
04db23845665c6152a965d8401502588d09f6a4d30f83797cd772c179db8e445463ec5988e381d3a83789d4f20cd0378631e90560040f44a4b0b6634f373a093
Score
10/10
Malware Config
Extracted
Path
C:\1rWCqamCt.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 sensitive 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.
>>> 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://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/D4MX4VGFCMO7MFQ6P
>> Warning! Recovery recommendations.
We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs
http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/D4MX4VGFCMO7MFQ6P
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 8 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 9 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0751c422962dcd500d7cf2cf8bf544ddf5b2fe3465df7dd9b9998f6bba5e08a4.bin.sample.exe"C:\Users\Admin\AppData\Local\Temp\0751c422962dcd500d7cf2cf8bf544ddf5b2fe3465df7dd9b9998f6bba5e08a4.bin.sample.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:\1rWCqamCt.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
68KB
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Filesize
4KB
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Filesize
4KB