Analysis
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max time kernel
149s -
max time network
19s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
18-08-2021 15:23
General
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Target
520bd9ed608c668810971dbd51184c6a29819674280b018dc4027bc38fc42e57.exe
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Size
78KB
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MD5
50c4970003a84cab1bf2634631fe39d7
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SHA1
721a749cbd6afcd765e07902c17d5ab949b04e4a
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SHA256
520bd9ed608c668810971dbd51184c6a29819674280b018dc4027bc38fc42e57
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SHA512
fb210c92f7d1be9f9361b11dffd30fac78eeaadabf844a78a7dad00169f994d089c1cf4a037d6a1b82fddf35a6bfa34b8cbf216ce1786f407dfc015c72533504
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 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/0JOA98TDMXLHJ77VDOO
>>> Warning! Recovery recommendations.
We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs
http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/0JOA98TDMXLHJ77VDOO
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 9 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 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\520bd9ed608c668810971dbd51184c6a29819674280b018dc4027bc38fc42e57.exe"C:\Users\Admin\AppData\Local\Temp\520bd9ed608c668810971dbd51184c6a29819674280b018dc4027bc38fc42e57.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
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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
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Filesize
8KB
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Filesize
4KB