sakula | 16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d

General

Target

16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe
Size

216KB
MD5

eb732811d143faef9e0a90bf2992305a
SHA1

7f9432fd2832bf0df49017b01200c10e0727257b
SHA256

16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d
SHA512

2d566425be4f57000f430cba80a414f6915ee6b5fd7a450e2c00aa6e38ed37b326a9cfe7c977629f2ef7c4e7ee825c3473425b9ccb26e113e00b05a7cc519feb

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 4 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
behavioral2/memory/1704-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/404-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

404 MediaCenter.exe

pid	process
404	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

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

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3240 PING.EXE

pid	process
3240	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	2280	svchost.exe
Token: SeCreatePagefilePrivilege	2280	svchost.exe
Token: SeShutdownPrivilege	2280	svchost.exe
Token: SeCreatePagefilePrivilege	2280	svchost.exe
Token: SeShutdownPrivilege	2280	svchost.exe
Token: SeCreatePagefilePrivilege	2280	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.execmd.exe

description	pid	process	target process
PID 1704 wrote to memory of 404	1704	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe	MediaCenter.exe
PID 1704 wrote to memory of 404	1704	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe	MediaCenter.exe
PID 1704 wrote to memory of 404	1704	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe	MediaCenter.exe
PID 1704 wrote to memory of 3988	1704	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe	cmd.exe
PID 1704 wrote to memory of 3988	1704	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe	cmd.exe
PID 1704 wrote to memory of 3988	1704	16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe	cmd.exe
PID 3988 wrote to memory of 3240	3988	cmd.exe	PING.EXE
PID 3988 wrote to memory of 3240	3988	cmd.exe	PING.EXE
PID 3988 wrote to memory of 3240	3988	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe
"C:\Users\Admin\AppData\Local\Temp\16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:404

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16c7591c5621e529a0e1d8e31dc1f27c951e61fb49191b28dd425bcb3e30f06d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3988

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3240

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2280

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
477775b76ccf8c9542a9f1885546cce5

SHA1
c584f2317392cb5208d5cf84035f07ac4eae75f8

SHA256
2be5c8a9a0e1ec296fc74d06cd5b037ca698679c428df97615949f5b560aa256

SHA512
86f08ed6a30788a8b5a59b3fd96f039b21ee164db9f6ed831ddbb536f82fe8b81ee70680320a298a7450dcf32d3fb4558243ee053aab24fb2edf7ac7b8f4f621

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
477775b76ccf8c9542a9f1885546cce5

SHA1
c584f2317392cb5208d5cf84035f07ac4eae75f8

SHA256
2be5c8a9a0e1ec296fc74d06cd5b037ca698679c428df97615949f5b560aa256

SHA512
86f08ed6a30788a8b5a59b3fd96f039b21ee164db9f6ed831ddbb536f82fe8b81ee70680320a298a7450dcf32d3fb4558243ee053aab24fb2edf7ac7b8f4f621

Download Submit
memory/404-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1704-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2280-132-0x000001506F950000-0x000001506F960000-memory.dmp

Filesize
64KB

Download
memory/2280-133-0x0000015070020000-0x0000015070030000-memory.dmp

Filesize
64KB

Download
memory/2280-134-0x00000150726D0000-0x00000150726D4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads