816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8

General

Target

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe
Size

2.6MB
MD5

546769859cbe499ca5a2cf5fc84234a7
SHA1

7e725d4ed01753bab0897e0d7e7d205f746006e3
SHA256

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8
SHA512

b6064389a377f1bb88655db6ca1482f44e5af584f2278049ba1f6e9fe4c3efc4efb790b58e7be00577ac49720c4e107e4b1c38a218ce67e71e3fd2214846c006
SSDEEP

49152:/bCjPKNqQq1YA7nCflADKnxCvRC0bbw9Dr20tzHqEKWHfQ60rV0PPcJ:zCjPKNEZn0C5dw9DSrwo6YJ

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "%AppData%\\plugin-container.exe,explorer.exe"	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Adobe Flash Player = "%AppData%\\plugin-container.exe"	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe Flash Player = "%AppData%\\plugin-container.exe"	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

description	pid	process	target process
PID 1644 set thread context of 1596	1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

pid	process
1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe
1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe
1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

pid	process
1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe
1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe
1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe

description	pid	process	target process
PID 1644 wrote to memory of 1596	1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe	svchost.exe
PID 1644 wrote to memory of 1596	1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe	svchost.exe
PID 1644 wrote to memory of 1596	1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe	svchost.exe
PID 1644 wrote to memory of 1596	1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe	svchost.exe
PID 1644 wrote to memory of 1596	1644	816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe
"C:\Users\Admin\AppData\Local\Temp\816b5c64db8baa8d8352a1186d051e2a1f6d1cf06cf44fe5e20a48c60b5a66e8.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1644

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
PID:1596

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1596-56-0x0000000000403248-mapping.dmp

Download
memory/1644-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads