Analysis
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max time kernel
300s -
max time network
202s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-10-2024 06:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
clop.exe
Resource
win11-20240802-en
windows11-21h2-x64
19 signatures
300 seconds
Behavioral task
behavioral2
Sample
clop.exe
Resource
win10-20240611-en
windows10-1703-x64
8 signatures
300 seconds
Behavioral task
behavioral3
Sample
clop.exe
Resource
win7-20240729-en
windows7-x64
8 signatures
300 seconds
Behavioral task
behavioral4
Sample
clop.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
8 signatures
300 seconds
Behavioral task
behavioral5
Sample
clop.exe
Resource
win11-20240802-en
windows11-21h2-x64
8 signatures
300 seconds
General
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Target
clop.exe
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Size
100KB
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MD5
8752a7a052ba75239b86b0da1d483dd7
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SHA1
6eeef883d209d02a05ae9e6a2f37c6cbf69f4d89
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SHA256
3320f11728458d01eef62e10e48897ec1c2277c1fe1aa2d471a16b4dccfc1207
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SHA512
57d19e9254ecaeaf301e11598c88b1440f3f85baf0cb8d7a0ac952cd6d63f565df9809b13f50a059302bfb0f81a5c498e49837e2e9480ec9b51c14a409fbdb65
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SSDEEP
1536:gHIPkRUedYttp2bd/B8quuaOY2IfpW+VQJFsW69cdCeRk28+axHPjsb5:EYtLqJSquu42CW+VwisCgk2DaxHPj+5
Score
10/10
Malware Config
Extracted
Path
C:\$Recycle.Bin\ClopReadMe.txt
Family
clop
Ransom Note
Your network has been penetrated.
All files on each host in the network have been encrypted with a strong algorithm.
Backups were either encrypted or deleted or backup disks were formatted.
Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover.
We exclusively have decryption software for your situation
No decryption software is available in the public.
DO NOT RESET OR SHUTDOWN – files may be damaged.
DO NOT RENAME OR MOVE the encrypted and readme files.
DO NOT DELETE readme files.
This may lead to the impossibility of recovery of the certain files.
Photorec, RannohDecryptor etc. repair tools are useless and can destroy your files irreversibly.
If you want to restore your files write to emails (contacts are at the bottom of the sheet) and attach 2-3 encrypted files
(Less than 5 Mb each, non-archived and your files should not contain valuable information
(Databases, backups, large excel sheets, etc.)).
You will receive decrypted samples and our conditions how to get the decoder.
Attention!!!
Your warranty - decrypted samples.
Do not rename encrypted files.
Do not try to decrypt your data using third party software.
We don`t need your files and your information.
But after 2 weeks all your files and keys will be deleted automatically.
Contact emails:
[email protected]
or
[email protected]
The final price depends on how fast you write to us.
Clop
Signatures
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clop
Ransomware discovered in early 2019 which has been actively developed since release.
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Renames multiple (270) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops desktop.ini file(s) 24 IoCs
Processes:
clop.exedescription ioc Process File opened for modification C:\Users\Public\Music\desktop.ini clop.exe File opened for modification C:\Users\Admin\Documents\desktop.ini clop.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini clop.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini clop.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini clop.exe File opened for modification C:\Users\Public\AccountPictures\desktop.ini clop.exe File opened for modification C:\Users\Public\Downloads\desktop.ini clop.exe File opened for modification C:\Users\Public\Videos\desktop.ini clop.exe File opened for modification C:\$Recycle.Bin\S-1-5-21-661032028-162657920-1226909816-1000\desktop.ini clop.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini clop.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini clop.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini clop.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini clop.exe File opened for modification C:\Users\Public\Libraries\desktop.ini clop.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-661032028-162657920-1226909816-1000\desktop.ini clop.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini clop.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini clop.exe File opened for modification C:\Users\Admin\Videos\desktop.ini clop.exe File opened for modification C:\Users\Public\desktop.ini clop.exe File opened for modification C:\Users\Public\Documents\desktop.ini clop.exe File opened for modification C:\Users\Admin\Links\desktop.ini clop.exe File opened for modification C:\Users\Admin\Music\desktop.ini clop.exe File opened for modification C:\Users\Admin\Searches\desktop.ini clop.exe File opened for modification C:\Users\Public\Pictures\desktop.ini clop.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
clop.exedescription ioc Process File opened (read-only) \??\K: clop.exe File opened (read-only) \??\O: clop.exe File opened (read-only) \??\R: clop.exe File opened (read-only) \??\T: clop.exe File opened (read-only) \??\Y: clop.exe File opened (read-only) \??\B: clop.exe File opened (read-only) \??\G: clop.exe File opened (read-only) \??\Q: clop.exe File opened (read-only) \??\V: clop.exe File opened (read-only) \??\X: clop.exe File opened (read-only) \??\E: clop.exe File opened (read-only) \??\H: clop.exe File opened (read-only) \??\J: clop.exe File opened (read-only) \??\P: clop.exe File opened (read-only) \??\Z: clop.exe File opened (read-only) \??\S: clop.exe File opened (read-only) \??\U: clop.exe File opened (read-only) \??\W: clop.exe File opened (read-only) \??\A: clop.exe File opened (read-only) \??\I: clop.exe File opened (read-only) \??\L: clop.exe File opened (read-only) \??\M: clop.exe File opened (read-only) \??\N: clop.exe -
Drops file in Program Files directory 2 IoCs
Processes:
clop.exedescription ioc Process File opened for modification C:\Program Files\ClopReadMe.txt clop.exe File opened for modification C:\Program Files (x86)\ClopReadMe.txt clop.exe -
Drops file in Windows directory 1 IoCs
Processes:
clop.exedescription ioc Process File opened for modification C:\Windows\ClopReadMe.txt clop.exe -
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.
Processes:
clop.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language clop.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
clop.exepid Process 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe 4612 clop.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\clop.exe"C:\Users\Admin\AppData\Local\Temp\clop.exe"1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4612
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5da76cdbc83863176e9da51b1c9224139
SHA1fc71801db718efd836c93b6b95dceaa155050290
SHA256e79dfc0bbdefca3815ffb349139a512e7090403a1e4d80414b97b3e567c7c1ad
SHA51258227520b3815a68695e4d80882166d0b6f2fd907b9f6a503acb843769ebc3aa836e5d4af5b9c5896c06543cc3757bd23f6f0c96e69a4cd25163dcc65c915e29