Analysis
- max time kernel
100s - max time network
104s - platform
windows11-21h2_x64 - resource
win11-20250410-en - resource tags
arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system - submitted
29/04/2025, 01:58
Static task
static1
Behavioral task
behavioral1
Sample
d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe
Resource
win11-20250410-en
General
- Target d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe
- Size 1.1MB
- Sample250429-cds8nsvm19
- SHA256 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37
- MD5 64fd00d04ae1cbfa4dfff576018f209b
- SHA1 40dfe63bf78dd3dcb5d674297b65bb5030f7264b
- SHA512 dfcde8e105d30d24989fa9523ddd5b20623f917f81a028496b21e042f7c2d7deda6ee5fbafc1ffd16a1a867daf8320319635f9c7ee445f5fba7c67d4aaf90858
- SSDEEP 24576:PLhQsUxCEZIkvaWGOwcCW0OYu+QpbTybCF46vh2a:9tU/fiWpiOvECF4u
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
C:\PerfLogs\How To Restore Your Files.txt
- --------------- Hello --------------- !!!IMPORTANT !!! ################################### # you Decryptor ID is : Ths62cw69 # ################################### Your computers and servers are encrypted, and backups are deleted. We use strong encryption algorithms, so no one has yet been able to decrypt their files without our participation. The only way to decrypt your files is to purchase a universal decoder from us, which will restore all the encrypted data and your network. Follow our instructions below, and you will recover all your data: 1) Pay 0,006 bitcoin to 1E6cvG6iEbufvYspsDa3XQ3WJgEMvRTm9i 2) Send us a message with your Decryptor ID and transaction ID at [email protected] 3) Launch decryptor.exe, which our support will send you through email What guarantees? ------------------ We value our reputation. If we will not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is tested by time and will decrypt all your data. ------------------ !!! DO NOT TRY TO RECOVER ANY FILES YOURSELF. WE WILL NOT BE ABLE TO RESTORE THEM!!! --------------- Привет --------------- !!!ВАЖНО!!! ################################### # товй Decryptor ID : Ths62cw69 # ################################### Ваши компьютеры и серверы шифруются, а резервные копии удаляются. Мы используем надежные алгоритмы шифрования, поэтому никто еще не смог расшифровать свои файлы без нашего участия. Единственный способ расшифровать ваши файлы - это приобрести у нас универсальный декодер, который восстановит все зашифрованные данные и вашу сеть. Следуйте нашим инструкциям ниже, и вы восстановите все свои данные: 1) Переведите 0,006 биткоина на 1E6cvG6iEbufvYspsDa3XQ3WJgEMvRTm9i 2) Отправьте нам сообщение с вашим Decryptor ID и с идентификатором транзакции по адресу [email protected] 3) Запустите decryptor.exe, который наша служба поддержки отправит вам по электронной почте Какие гарантии? ------------------ Мы дорожим своей репутацией. Если мы не выполним свою работу и обязательства, нам никто не заплатит. Это не в наших интересах. Все наши программы для расшифровки проверены временем и расшифруют все ваши данные. ------------------ !!! НЕ ПЫТАЙТЕСЬ ВОССТАНОВИТЬ КАКИЕ-ЛИБО ФАЙЛЫ САМОСТОЯТЕЛЬНО. ИНАЧЕ МЫ НЕ СМОЖЕМ ИХ ВОССТАНОВИТЬ!!!
-
1E6cvG6iEbufvYspsDa3XQ3WJgEMvRTm9i
Signatures
- Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Renames multiple (153) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\V: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\M: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\Q: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\E: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\J: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\K: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\X: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\W: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\T: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\Y: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\U: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\A: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\H: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\Z: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\B: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\R: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\I: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\O: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\P: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\N: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\S: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\G: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe File opened (read-only) \??\L: d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1680 vssadmin.exe 3644 vssadmin.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 3536 vssvc.exe Token: SeRestorePrivilege 3536 vssvc.exe Token: SeAuditPrivilege 3536 vssvc.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 924 wrote to memory of 2228 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe 79 PID 924 wrote to memory of 2228 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe 79 PID 2228 wrote to memory of 1680 2228 cmd.exe 82 PID 2228 wrote to memory of 1680 2228 cmd.exe 82 PID 924 wrote to memory of 5700 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe 86 PID 924 wrote to memory of 5700 924 d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe 86 PID 5700 wrote to memory of 3644 5700 cmd.exe 88 PID 5700 wrote to memory of 3644 5700 cmd.exe 88 - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe"C:\Users\Admin\AppData\Local\Temp\d7a4c01a54a2368351bfa4099b9d41c36d52997328c6292f0881eb102b810f37.exe"1⤵
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:924 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1680
-
-
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:5700 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:3644
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-
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\PerfLogs\How To Restore Your Files.txt
- Size 3KB
- SHA256 105ae4c673496a65110e937d4a1cca6216625adedd59cdc23c7145ace84b9d57
- MD5 5b20d63874d8eea6525cf20e26acf287
- SHA1 8b41b7d04fb30f8a0583d2c97e74eee7c1a31026
- SHA512 dec7a023ccca97ba2d368e67d041bb6db035f8c25c02acd5b6ee10c9feabd3919af6fee84213208cf2a381a488f264ff757557d738300798adbaf728d0cdcd6f
- MD5 SHA1 SHA512