sekhmet | b39d282a9048f423bc8344b9f10c6165513d3bd36b960a2d17267ad529eff416

General

Target

run.bat
Size

131B
MD5

8edbf5df7aebe871b491e0ec7e52038a
SHA1

f41b24074ed38cad1be394ff7cb5a7086c6b7fa1
SHA256

d4088bf2fe9e25800f51bc1176ae711a3f1038fedeb72d9c406ed963795a1f8f
SHA512

682ea13ef588627b5d3955cab498b21390031b1042fab0532d4273c78564a957641f3f303e8b42a6b90472483eb49ed5dc0bf1aac58b910d51d0b7f4b0c1ff0b

Score

10^/10

ransomware persistence spyware sekhmet

Malware Config

Extracted

Path

C:\RECOVER-FILES.txt

Family

sekhmet

Ransom Note

-------------- | Attention! | -------------- Your company network has been hacked and breached. We downloaded confidential and private data. In case of not contacting us in 3 business days this data will be published on a special website available for public view. Also we had executed a special software that turned files, databases and other important data in your network into an encrypted state using RSA-2048 and ChaCha algorithms. A special key is required to decrypt and restore these files. Only we have this key and only we can give it to you with a reliable decryption software. --------------------------------------- | How to contact us and be safe again | --------------------------------------- The only method to restore your files and be safe from data leakage is to purchase a private key which is unique for you and securely stored on our servers. After the payment we provide you with decryption software that will decrypt all your files, also we remove the downloaded data from your network and never post any information about you. There are 2 ways to directly contact us: 1) Using hidden TOR network: a) Download a special TOR browser: https://www.torproject.org/ b) Install the TOR browser c) Open our website in the TOR browser: http://o3n4bhhtybbtwqqs.onion/BC9E9E1D889C83A d) Follow the instructions on this page. 2) If you have any problems connecting or using TOR network a) Open our website: https://sekhmet.top/BC9E9E1D889C83A b) Follow the instructions on this page On this web site, you will get instructions on how to make a free decryption test and how to pay. Also it has a live chat with our operators and support team. ----------------------- |Questions and answers| ----------------------- We understand you may have questions, so we provide here answers to the frequently asked questions. ==== Q: What about decryption guarantees? A: You have a FREE opportunity to test a service by instantly decrypting for free 3 files from every system in your network. If you have any problems our friendly support team is always here to assist you in a live chat. ==== ==== Q: How can we be sure that after the payment data is removed and not published or used in any nefarious ways? A: We can assure you, downloaded data will be securely removed using DoD 5220.22-M wiping standart. We are not interested in keeping this data as we do not gain any profit from it. This data is used only to leverage you to make a payment and nothing more. On the market the data itself are relatively useless and cheap. Also we perfectly understand that using or publishing this data after the payment will compromise our reliable business operations and we are not interested in it. ==== ==== Q: How did you get into the network? A: Detailed report on how we did it and how to fix your vulnerabilities can be provided by request after the payment. ==== -------------------------------------------------------------------------------------- This is techinal information we need to identify you correctly and give decryption key to you, do not redact! ---SEKHMET--- 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 ---SEKHMET---

URLs

http://o3n4bhhtybbtwqqs.onion/BC9E9E1D889C83A

https://sekhmet.top/BC9E9E1D889C83A

Signatures

Sekhmet Ransomware
Ransomware family active in the wild since early 2020.
ransomware sekhmet

Modifies extensions of user files 1 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\HideRestart.tif => C:\Users\Admin\Pictures\HideRestart.tif.lURMhO	regsvr32.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e6189640.lnk	regsvr32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RECOVER-FILES.txt	regsvr32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\e6189640.lnk	regsvr32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\RECOVER-FILES.txt	regsvr32.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\COM+ REGDB Writer	vssvc.exe
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\Registry Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\e6189640.lnk	regsvr32.exe
File created	C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\RECOVER-FILES.txt	regsvr32.exe
File created	C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\Desktop\RECOVER-FILES.txt	regsvr32.exe
File created	C:\Program Files (x86)\e6189640.lnk	regsvr32.exe
File created	C:\Program Files\e6189640.lnk	regsvr32.exe
File created	C:\Program Files\RECOVER-FILES.txt	regsvr32.exe
File created	C:\Program Files\Microsoft SQL Server Compact Edition\e6189640.lnk	regsvr32.exe
File created	C:\Program Files\Microsoft SQL Server Compact Edition\RECOVER-FILES.txt	regsvr32.exe
File created	C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\Desktop\e6189640.lnk	regsvr32.exe
File created	C:\Program Files (x86)\RECOVER-FILES.txt	regsvr32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\RECOVER-FILES.txt	regsvr32.exe
File created	C:\Windows\e6189640.lnk	regsvr32.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
1492	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe
240	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
240	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeBackupPrivilege	1888	vssvc.exe
Token: SeRestorePrivilege	1888	vssvc.exe
Token: SeAuditPrivilege	1888	vssvc.exe
Token: SeDebugPrivilege	240	regsvr32.exe
Token: SeDebugPrivilege	240	regsvr32.exe
Token: SeDebugPrivilege	240	regsvr32.exe
Token: SeDebugPrivilege	240	regsvr32.exe
Token: SeDebugPrivilege	240	regsvr32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 1492	1012	cmd.exe	25
PID 1012 wrote to memory of 1492	1012	cmd.exe	25
PID 1012 wrote to memory of 1492	1012	cmd.exe	25
PID 1012 wrote to memory of 1492	1012	cmd.exe	25
PID 1012 wrote to memory of 1492	1012	cmd.exe	25
PID 1492 wrote to memory of 240	1492	regsvr32.exe	26
PID 1492 wrote to memory of 240	1492	regsvr32.exe	26
PID 1492 wrote to memory of 240	1492	regsvr32.exe	26
PID 1492 wrote to memory of 240	1492	regsvr32.exe	26
PID 1492 wrote to memory of 240	1492	regsvr32.exe	26
PID 1492 wrote to memory of 240	1492	regsvr32.exe	26
PID 1492 wrote to memory of 240	1492	regsvr32.exe	26

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\run.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Windows\system32\regsvr32.exe
  regsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\fceb299326ef4298a3c30e10b31d8c64f1369b182ac256d1eeaf148c1adcea8d.dll"
  2⤵
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\SysWOW64\regsvr32.exe
    /s "C:\Users\Admin\AppData\Local\Temp\fceb299326ef4298a3c30e10b31d8c64f1369b182ac256d1eeaf148c1adcea8d.dll"
    3⤵
    - Modifies extensions of user files
    - Drops startup file
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: RenamesItself
    - Suspicious use of AdjustPrivilegeToken
    PID:240

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1888

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\RECOVER-FILES.txt
1⤵
PID:452

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

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Downloads

memory/240-2-0x0000000000170000-0x0000000000198000-memory.dmp

Filesize
160KB

Download
memory/1880-4-0x000007FEF7C50000-0x000007FEF7ECA000-memory.dmp

Filesize
2.5MB

Download

Analysis

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