Resubmissions
18-09-2024 16:10
240918-tmtdga1ckk 10Analysis
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max time kernel
34s -
max time network
34s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
18-09-2024 16:10
General
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Target
BlackCat_Config.exe
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Size
2.9MB
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MD5
c681038bc738ff0a816176c4cd21150c
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SHA1
c5181892afde538c73109b4c83e2a2730eb9014d
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SHA256
c5ad3534e1c939661b71f56144d19ff36e9ea365fdb47e4f8e2d267c39376486
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SHA512
defabbcf84219a69366c01e2c1cfe72cd1e29879434cddab31c2c035fc7958bce3611b5f9568ad8abce0d7bf28f1f718159e712d0fc7caf56185a20949f9b060
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SSDEEP
49152:nKoWSw+biIUslcrZM2xTSQyAnsKN3uLlkoCP4QNS/RgaJ2wgX:nKoWSw+e9slcrq2xTpsKNOVoCvwwgX
Malware Config
Extracted
blackcat
- Username:
CEKOK\comodo - Password:
Ngn2016!
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enable_network_discovery
true
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enable_self_propagation
true
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enable_set_wallpaper
true
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extension
b5o8ph3
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note_file_name
RECOVER-${EXTENSION}-FILES.txt
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note_full_text
>> What happened? Important files on your network was ENCRYPTED and now they have "${EXTENSION}" extension. In order to recover your files you need to follow instructions below. >> CAUTION DO NOT MODIFY ENCRYPTED FILES YOURSELF. DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. >> What should I do next? Follow these simple steps to get everything back to normal: 1) Download and install Tor Browser from: https://torproject.org/ 2) Navigate to: http://aoczppoxmfqqthtwlwi4fmzlrv6aor3isn6ffaiic55wrfumxslx3vyd.onion/?access-key=${ACCESS_KEY}
Signatures
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BlackCat
A Rust-based ransomware sold as RaaS first seen in late 2021.
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 28 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of FindShellTrayWindow 41 IoCs
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Suspicious use of SendNotifyMessage 40 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\BlackCat_Config.exe"C:\Users\Admin\AppData\Local\Temp\BlackCat_Config.exe"1⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.0MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB