sakula | 0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca

General

Target

0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe
Size

100KB
MD5

49e4e4d524617d172b03c3c0a8dd34fe
SHA1

1081c352202abf8a9000367b0c1229453f04ee4a
SHA256

0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca
SHA512

0e3398d46303a6e65ed2cd486e05e44080a558b26f12742f5f0ab960fa22cc3d41c556bb3e66d63a230f227a1c3be3663265bf5666830382eea5976df8149844

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

1792 MediaCenter.exe

pid	process
1792	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:

0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.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"	0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe

Drops file in Windows directory 3 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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 52 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.155971"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.405595"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.026270"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.932696"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893079991808946"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3968"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3452 PING.EXE

pid	process
3452	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe
Token: SeRestorePrivilege	3116	TiWorker.exe
Token: SeSecurityPrivilege	3116	TiWorker.exe
Token: SeBackupPrivilege	3116	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.execmd.exe

description	pid	process	target process
PID 3328 wrote to memory of 1792	3328	0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe	MediaCenter.exe
PID 3328 wrote to memory of 1792	3328	0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe	MediaCenter.exe
PID 3328 wrote to memory of 1792	3328	0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe	MediaCenter.exe
PID 3328 wrote to memory of 3956	3328	0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe	cmd.exe
PID 3328 wrote to memory of 3956	3328	0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe	cmd.exe
PID 3328 wrote to memory of 3956	3328	0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe	cmd.exe
PID 3956 wrote to memory of 3452	3956	cmd.exe	PING.EXE
PID 3956 wrote to memory of 3452	3956	cmd.exe	PING.EXE
PID 3956 wrote to memory of 3452	3956	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe
"C:\Users\Admin\AppData\Local\Temp\0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3328

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a1802b8d44666b6aa4fdc193039f1a8e09f76d130a7928b269aace057c3a2ca.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3956

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3452

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:652

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3284

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:3116

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

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
d4b78522ef9c3b66f8ff2e6631e3c60d

SHA1
e00f0d35df328a935836be7f4662ccf4007cee91

SHA256
e815c950d7a1eddf2192dca8508c543486646f0395db1b32d1ebd2e36989394c

SHA512
77f963a9fae9b670c522f1ee2fbd33c8b68a6f81d57dccec43c3d6628c427f82e06c53849111b7349f27f76ec62bd3fe44087f029bfe1ffbe08990d0d2225035

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
d4b78522ef9c3b66f8ff2e6631e3c60d

SHA1
e00f0d35df328a935836be7f4662ccf4007cee91

SHA256
e815c950d7a1eddf2192dca8508c543486646f0395db1b32d1ebd2e36989394c

SHA512
77f963a9fae9b670c522f1ee2fbd33c8b68a6f81d57dccec43c3d6628c427f82e06c53849111b7349f27f76ec62bd3fe44087f029bfe1ffbe08990d0d2225035

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads