sakula | 11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b

General

Target

11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe
Size

99KB
MD5

de2eaf2e82d0feb70a64c1b37d8146c2
SHA1

576beba8e9cd46b725230e9affb673b02f9d14be
SHA256

11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b
SHA512

955941b33ba0a1613bb8f46104bf73fc27cb4a2f077e3ae5ee228e17bd614c29550cf2f60e9b63a4ac8f420cccc3bb8f34e8e466a172120b7a8ea5ec3bd0e50f

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 2 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

4072 MediaCenter.exe

pid	process
4072	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:

11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.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"	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	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

4168 PING.EXE

pid	process
4168	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	4864	svchost.exe
Token: SeCreatePagefilePrivilege	4864	svchost.exe
Token: SeShutdownPrivilege	4864	svchost.exe
Token: SeCreatePagefilePrivilege	4864	svchost.exe
Token: SeShutdownPrivilege	4864	svchost.exe
Token: SeCreatePagefilePrivilege	4864	svchost.exe
Token: SeIncBasePriorityPrivilege	1456	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe
Token: SeBackupPrivilege	1628	TiWorker.exe
Token: SeRestorePrivilege	1628	TiWorker.exe
Token: SeSecurityPrivilege	1628	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.execmd.exe

description	pid	process	target process
PID 1456 wrote to memory of 4072	1456	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe	MediaCenter.exe
PID 1456 wrote to memory of 4072	1456	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe	MediaCenter.exe
PID 1456 wrote to memory of 4072	1456	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe	MediaCenter.exe
PID 1456 wrote to memory of 1732	1456	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe	cmd.exe
PID 1456 wrote to memory of 1732	1456	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe	cmd.exe
PID 1456 wrote to memory of 1732	1456	11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe	cmd.exe
PID 1732 wrote to memory of 4168	1732	cmd.exe	PING.EXE
PID 1732 wrote to memory of 4168	1732	cmd.exe	PING.EXE
PID 1732 wrote to memory of 4168	1732	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe
"C:\Users\Admin\AppData\Local\Temp\11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4072

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11bc90237b37cbcc8dbcf523f82efd62a2651c34db8c3ea43fbc6085df0a2a1b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4168

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:4864

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:1628

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
7b26c1d0b2a4f396aa9a9d04b5475e88

SHA1
fd75474c603128c9064c1a1cb6b771897cca3902

SHA256
cd10dd7e29a903dd39e2e8bfd7d093a6916c7be0c7f1679845940524bea5a7c6

SHA512
8c1c6cae05904554f7666786f8c31f6a258c69d5dbbe37611954f94c04848966b8eaccab66fa7311edf9b9cec9831b11cca78a588ad62632b5140838263f992f

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

MD5
7b26c1d0b2a4f396aa9a9d04b5475e88

SHA1
fd75474c603128c9064c1a1cb6b771897cca3902

SHA256
cd10dd7e29a903dd39e2e8bfd7d093a6916c7be0c7f1679845940524bea5a7c6

SHA512
8c1c6cae05904554f7666786f8c31f6a258c69d5dbbe37611954f94c04848966b8eaccab66fa7311edf9b9cec9831b11cca78a588ad62632b5140838263f992f

Download Submit
memory/4864-132-0x00000191ABB60000-0x00000191ABB70000-memory.dmp

Filesize
64KB

Download
memory/4864-133-0x00000191AC120000-0x00000191AC130000-memory.dmp

Filesize
64KB

Download
memory/4864-134-0x00000191AE790000-0x00000191AE794000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads