Analysis
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max time kernel
76s -
max time network
26s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
21-09-2021 13:20
General
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Target
8f1b0affffb2f2f58b477515d1ce54f4daa40a761d828041603d5536c2d53539.bin.sample.exe
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Size
79KB
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MD5
de63e92d3c6735c5e31269678d2b9ea9
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SHA1
6f430f0efe373e5e4cab9c48bcef14460b7b4796
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SHA256
8f1b0affffb2f2f58b477515d1ce54f4daa40a761d828041603d5536c2d53539
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SHA512
9d33340004965a97e56bfb02adb9bb575acc349021ff306c18f7d3d9792a518ee48ab0e09a1bd82346cb1a4d59e3f9baf66797a4612a2ce304f0b83fe94a6993
Score
10/10
Malware Config
Extracted
Path
C:\chkvc3MvG.README.txt
Family
blackmatter
Ransom Note
~+
* +
' BLACK |
() .-.,='``'=. - o -
'=/_ \ |
* | '=._ |
\ `=./`, '
. '=.__.=' `=' *
+ Matter +
O * ' .
>>> Hello Compagnie Financiere Europeenne De Prises De Participation SA
>>> 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://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/6O5KBMY42CFGLLU7L2MW4
>>> Warning! Recovery recommendations.
We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs
http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/6O5KBMY42CFGLLU7L2MW4
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\8f1b0affffb2f2f58b477515d1ce54f4daa40a761d828041603d5536c2d53539.bin.sample.exe"C:\Users\Admin\AppData\Local\Temp\8f1b0affffb2f2f58b477515d1ce54f4daa40a761d828041603d5536c2d53539.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
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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