sakula | 1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27

General

Target

1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe
Size

176KB
MD5

50baff36f4161c259c6ea5af2866d21e
SHA1

ed98d04b39145a603d1896a866b9ef3bccc1eb11
SHA256

1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27
SHA512

41d154c6b98a0003459b28f19453143b4992018b4c86de270fa77ceea7caab97b2ca7b312620935cafe1b3671930c196ad2aca82c15a25fd1ff0342cbf61b6b1

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/1344-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/1428-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1428 MediaCenter.exe

pid	process
1428	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:

1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.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"	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe

Drops file in Windows directory 8 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.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

4364 PING.EXE

pid	process
4364	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	3144	svchost.exe
Token: SeCreatePagefilePrivilege	3144	svchost.exe
Token: SeShutdownPrivilege	3144	svchost.exe
Token: SeCreatePagefilePrivilege	3144	svchost.exe
Token: SeShutdownPrivilege	3144	svchost.exe
Token: SeCreatePagefilePrivilege	3144	svchost.exe
Token: SeIncBasePriorityPrivilege	1344	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe
Token: SeBackupPrivilege	2092	TiWorker.exe
Token: SeRestorePrivilege	2092	TiWorker.exe
Token: SeSecurityPrivilege	2092	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.execmd.exe

description	pid	process	target process
PID 1344 wrote to memory of 1428	1344	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe	MediaCenter.exe
PID 1344 wrote to memory of 1428	1344	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe	MediaCenter.exe
PID 1344 wrote to memory of 1428	1344	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe	MediaCenter.exe
PID 1344 wrote to memory of 1040	1344	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe	cmd.exe
PID 1344 wrote to memory of 1040	1344	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe	cmd.exe
PID 1344 wrote to memory of 1040	1344	1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe	cmd.exe
PID 1040 wrote to memory of 4364	1040	cmd.exe	PING.EXE
PID 1040 wrote to memory of 4364	1040	cmd.exe	PING.EXE
PID 1040 wrote to memory of 4364	1040	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe
"C:\Users\Admin\AppData\Local\Temp\1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1428

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1057c73bbc03b4f59229ab0c631a1aff5e12cf56c6264d3176823f8bc4cdee27.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1040

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4364

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:3144

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:2092

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
0365b5ab4c360a8d17c3adc3e8cf598b

SHA1
a4fc34d4a8dd17308b021d655ab50198ff8030ef

SHA256
8450e2da6c452d372082c174893d6415589e3d8194f771ca7d02fd7fa35e391a

SHA512
0cf39a62f5843a2decd1a203acb58c5bb185ba7e14b31ffd9a803615165ab591d6a24b897c7d729b506845ddace29506e235a2122c412dd8c6f5ebbeb9602cfa

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

MD5
0365b5ab4c360a8d17c3adc3e8cf598b

SHA1
a4fc34d4a8dd17308b021d655ab50198ff8030ef

SHA256
8450e2da6c452d372082c174893d6415589e3d8194f771ca7d02fd7fa35e391a

SHA512
0cf39a62f5843a2decd1a203acb58c5bb185ba7e14b31ffd9a803615165ab591d6a24b897c7d729b506845ddace29506e235a2122c412dd8c6f5ebbeb9602cfa

Download Submit
memory/1344-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1428-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3144-132-0x000002915A5A0000-0x000002915A5B0000-memory.dmp

Filesize
64KB

Download
memory/3144-133-0x000002915AB20000-0x000002915AB30000-memory.dmp

Filesize
64KB

Download
memory/3144-134-0x000002915D220000-0x000002915D224000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads