sakula | 0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470

General

Target

0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe
Size

100KB
MD5

0ce6b34fa2f01226a07a2004b61a3a3f
SHA1

7f84a2b0b221248148c7ab1dab293265d94d9781
SHA256

0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470
SHA512

43005c03efc154177aae353680380242938c849a09409c7df3f1c0e91443e58af3c0745e6ff7829fa6f716d17d6e3d97423c190b60c2d3ae2cff2f468201ce49

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

2188 MediaCenter.exe

pid	process
2188	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:

0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.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"	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.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

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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCdnBytes = "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
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\SwarmCount = "1"	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.335573"	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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "0"	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\Usage\MemoryUsageKB = "4184"	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\Config	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\DownloadMonthlyRateBkCnt = "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\UplinkBps = "0"	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\PriorityDownloadCount = "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\DownloadMonthlyLinkLocalBytes = "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\Config\KVFileExpirationTime = "132892995821898396"	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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.857186"	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\DownlinkUsageBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4052"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	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\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 (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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.351357"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1048 PING.EXE

pid	process
1048	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1796	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe
Token: SeBackupPrivilege	3212	TiWorker.exe
Token: SeRestorePrivilege	3212	TiWorker.exe
Token: SeSecurityPrivilege	3212	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.execmd.exe

description	pid	process	target process
PID 1796 wrote to memory of 2188	1796	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe	MediaCenter.exe
PID 1796 wrote to memory of 2188	1796	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe	MediaCenter.exe
PID 1796 wrote to memory of 2188	1796	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe	MediaCenter.exe
PID 1796 wrote to memory of 3264	1796	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe	cmd.exe
PID 1796 wrote to memory of 3264	1796	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe	cmd.exe
PID 1796 wrote to memory of 3264	1796	0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe	cmd.exe
PID 3264 wrote to memory of 1048	3264	cmd.exe	PING.EXE
PID 3264 wrote to memory of 1048	3264	cmd.exe	PING.EXE
PID 3264 wrote to memory of 1048	3264	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe
"C:\Users\Admin\AppData\Local\Temp\0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2188

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e9fb43d44d905a751772045f56d2b7e0090fd597bfba19db2f15c90dd55c470.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3264

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1048

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:3340

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:3212

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
0707065731978210c0ad107752cd394a

SHA1
c50b97b0157405d233c201dfee0c3cc04e468eca

SHA256
1019693b9022b0cd1b81b1c4ffb60fe8496ad8c31a3ec066603fadc6ad20ea53

SHA512
9ec3a3265290178ca29048dab58b0f5540e361048ee70e66f005cf17a0f49782e132b532869188afa460984b785728343e9bd094a85baaeb5a3c58e6468e1de8

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

MD5
0707065731978210c0ad107752cd394a

SHA1
c50b97b0157405d233c201dfee0c3cc04e468eca

SHA256
1019693b9022b0cd1b81b1c4ffb60fe8496ad8c31a3ec066603fadc6ad20ea53

SHA512
9ec3a3265290178ca29048dab58b0f5540e361048ee70e66f005cf17a0f49782e132b532869188afa460984b785728343e9bd094a85baaeb5a3c58e6468e1de8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads