sakula | 124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422

General

Target

124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe
Size

176KB
MD5

f704eaee3696ea6aa551cb091e883c40
SHA1

c6628fa0d6a7b7fee2b37ff9b02c7aa9581057b1
SHA256

124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422
SHA512

a6edf659f1877a85c7bb63d5def1298949ec518c5d8ebac94db79227eb91ca1cd15c5d7df33a01da5ab1deca6b463ae4d89a38e765e7587abef5149297adf731

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 3 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/1104-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3836 MediaCenter.exe

pid	process
3836	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:

124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.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"	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	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

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 50 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892942159959625"	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\LANConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
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\UploadRatePct = "100"	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\MemoryUsageKB = "4124"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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\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\DownloadMonthlyRateFrCnt = "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\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	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\DownlinkUsageBps = "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\UplinkBps = "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\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\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 (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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080"	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\MemoryUsageKB = "4276"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.097325"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.899136"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2164 PING.EXE

pid	process
2164	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1104	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe
Token: SeBackupPrivilege	2176	TiWorker.exe
Token: SeRestorePrivilege	2176	TiWorker.exe
Token: SeSecurityPrivilege	2176	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.execmd.exe

description	pid	process	target process
PID 1104 wrote to memory of 3836	1104	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe	MediaCenter.exe
PID 1104 wrote to memory of 3836	1104	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe	MediaCenter.exe
PID 1104 wrote to memory of 3836	1104	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe	MediaCenter.exe
PID 1104 wrote to memory of 3236	1104	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe	cmd.exe
PID 1104 wrote to memory of 3236	1104	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe	cmd.exe
PID 1104 wrote to memory of 3236	1104	124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe	cmd.exe
PID 3236 wrote to memory of 2164	3236	cmd.exe	PING.EXE
PID 3236 wrote to memory of 2164	3236	cmd.exe	PING.EXE
PID 3236 wrote to memory of 2164	3236	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe
"C:\Users\Admin\AppData\Local\Temp\124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3836

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\124e99b3fb0a69ce98e447085a41db829eca963ce909c741384ee701e1425422.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3236

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2164

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2644

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:4028

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:2176

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

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Downloads

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

MD5
ae9c8aed7422a585ca26414965e27c88

SHA1
cc562745589234186530c9bdc517d1bbdd842e80

SHA256
2ff350bd78755ece1c9b61d60279a56be1087c4abad78a8c19a4fd722cc86bc0

SHA512
947f00ca377a659f255982b002b937bc3a66ea279d247e7de476cb4794b5e7507ee816312b6fd120579c155d2084ceca57872d2c7d829fa0cdd25a9dbd3ea451

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

MD5
ae9c8aed7422a585ca26414965e27c88

SHA1
cc562745589234186530c9bdc517d1bbdd842e80

SHA256
2ff350bd78755ece1c9b61d60279a56be1087c4abad78a8c19a4fd722cc86bc0

SHA512
947f00ca377a659f255982b002b937bc3a66ea279d247e7de476cb4794b5e7507ee816312b6fd120579c155d2084ceca57872d2c7d829fa0cdd25a9dbd3ea451

Download Submit
memory/1104-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads