Analysis
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max time kernel
96s -
max time network
34s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
29-09-2021 21:48
General
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Target
BlackMatterSample/69e5f8287029bcc65354abefabb6854b4f7183735bd50b2da0624eb3ae252ea8.exe
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Size
82KB
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MD5
73ec7f773ed33070c979fce8027f4680
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SHA1
d3eb98283502aeb85340267d1ba110390b77c436
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SHA256
69e5f8287029bcc65354abefabb6854b4f7183735bd50b2da0624eb3ae252ea8
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SHA512
6834caf307cd829dd394405985ade89afc41f6dbd53e6807b7af0a8ed8042a3d047f7a67c95bc4919793a20da34087815a35c494b7adcd85cae071be0b335e85
Score
10/10
Malware Config
Extracted
Path
C:\1rWCqamCt.README.txt
Family
blackmatter
Ransom Note
~+
* +
' BLACK |
() .-.,='``'=. - o -
'=/_ \ |
* | '=._ |
\ `=./`, '
. '=.__.=' `=' *
+ Matter +
O * ' .
>>> Hello Expert System SpA
We offer you a quick solution to this problem without too much fuss and publicity.
You buy our decryption software and we remove all the information we were able to pull from your network.
Otherwise, we will make the incident public and notify your customers of the data theft and hacking.
The reputation will be ruined and may cause much more damage than the opportunity to negotiate with us.
If you value your time and money of your clients, we are waiting for the dialogue in our chat room, the link to which you will find below.
>>> 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 of data.
If you do not contact us we will publish all your data will send it to the biggest mass media and your customers.
>>> 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/YX6RXMC65MRX8LLQ
>>> Warning! Recovery recommendations.
We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs
http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/YX6RXMC65MRX8LLQ
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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Modifies Control Panel 2 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\BlackMatterSample\69e5f8287029bcc65354abefabb6854b4f7183735bd50b2da0624eb3ae252ea8.exe"C:\Users\Admin\AppData\Local\Temp\BlackMatterSample\69e5f8287029bcc65354abefabb6854b4f7183735bd50b2da0624eb3ae252ea8.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
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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
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Downloads
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Filesize
8KB
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Filesize
4KB
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Filesize
68KB
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Filesize
4KB