sakula | 1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820

General

Target

1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe
Size

176KB
MD5

e4df685b676eb014fc91d87222287101
SHA1

b50af86ee53e454537ecd05a85b1b5b19da2f2c9
SHA256

1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820
SHA512

957ba9ec845397bd65ff1a44b48e4fe8f451931bcc9f7e79dfcaf2fb4aa1a0b1434e97ed105dfb5d2f7cc3a11c0e070af79642300e05494fb05fb5d822066172

Score

10^/10

sakula persistence rat suricata 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/4464-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3824-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3824 MediaCenter.exe

pid	process
3824	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:

1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.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"	1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe

Drops file in Windows directory 8 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.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

4252 PING.EXE

pid	process
4252	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	3816	svchost.exe
Token: SeCreatePagefilePrivilege	3816	svchost.exe
Token: SeShutdownPrivilege	3816	svchost.exe
Token: SeCreatePagefilePrivilege	3816	svchost.exe
Token: SeShutdownPrivilege	3816	svchost.exe
Token: SeCreatePagefilePrivilege	3816	svchost.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe
Token: SeRestorePrivilege	4160	TiWorker.exe
Token: SeSecurityPrivilege	4160	TiWorker.exe
Token: SeBackupPrivilege	4160	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.execmd.exe

description	pid	process	target process
PID 4464 wrote to memory of 3824	4464	1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe	MediaCenter.exe
PID 4464 wrote to memory of 3824	4464	1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe	MediaCenter.exe
PID 4464 wrote to memory of 3824	4464	1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe	MediaCenter.exe
PID 4464 wrote to memory of 4296	4464	1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe	cmd.exe
PID 4464 wrote to memory of 4296	4464	1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe	cmd.exe
PID 4464 wrote to memory of 4296	4464	1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe	cmd.exe
PID 4296 wrote to memory of 4252	4296	cmd.exe	PING.EXE
PID 4296 wrote to memory of 4252	4296	cmd.exe	PING.EXE
PID 4296 wrote to memory of 4252	4296	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe
"C:\Users\Admin\AppData\Local\Temp\1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4464

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3824

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1917deca4b6ca49084cc32ac50c86feef3ac607d7d65f4964e9fda0b2d5b9820.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4296

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4252

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:3816

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:4160

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
fcba4b603a463395f69a120c976c74ac

SHA1
57f94df913c3d29d9d19dc88891f3fcba95406c9

SHA256
0751614b7d40996ffef4760859f7b06311f4cbc97bb5eb8894ea6e36ddacd359

SHA512
80946acd2cc375a7ecfd43eea10c07de31eb6388b7eb4a53b08f589f9dd05098174fcac0d991d8f000a235b730d6bdebdd48cfadf60e5b538bf619b6447ea011

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

MD5
fcba4b603a463395f69a120c976c74ac

SHA1
57f94df913c3d29d9d19dc88891f3fcba95406c9

SHA256
0751614b7d40996ffef4760859f7b06311f4cbc97bb5eb8894ea6e36ddacd359

SHA512
80946acd2cc375a7ecfd43eea10c07de31eb6388b7eb4a53b08f589f9dd05098174fcac0d991d8f000a235b730d6bdebdd48cfadf60e5b538bf619b6447ea011

Download Submit
memory/3816-132-0x000001C321370000-0x000001C321380000-memory.dmp

Filesize
64KB

Download
memory/3816-133-0x000001C321920000-0x000001C321930000-memory.dmp

Filesize
64KB

Download
memory/3816-134-0x000001C323FF0000-0x000001C323FF4000-memory.dmp

Filesize
16KB

Download
memory/3824-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4464-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads