sakula | 09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5

General

Target

09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe
Size

99KB
MD5

4e25720731ad58d631c5434164ed179a
SHA1

19b3ca765f05058ae85830f935bad559c3eb4328
SHA256

09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5
SHA512

ffbc28e733775e4e5fb35308923de7039a1d95605ff3935163026f6d9ae3f5868e567da04bba9a161011c56c79d45fe1327ed6228284bb74fe993473c9da0813

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

3540 MediaCenter.exe

pid	process
3540	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:

09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.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"	09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLanBytes = "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\DownlinkBps = "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\UploadRatePct = "100"	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\PriorityDownloadPendingCount = "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\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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.524494"	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\DownloadMonthlyGroupBytes = "0"	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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893085042390166"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "19.256555"	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\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\CDNConnectionCount = "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\MemoryUsageKB = "4112"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.400915"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.038960"	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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3976"	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\LANConnectionCount = "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\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2152 PING.EXE

pid	process
2152	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.execmd.exe

description	pid	process	target process
PID 3328 wrote to memory of 3540	3328	09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe	MediaCenter.exe
PID 3328 wrote to memory of 3540	3328	09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe	MediaCenter.exe
PID 3328 wrote to memory of 3540	3328	09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe	MediaCenter.exe
PID 3328 wrote to memory of 1060	3328	09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe	cmd.exe
PID 3328 wrote to memory of 1060	3328	09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe	cmd.exe
PID 3328 wrote to memory of 1060	3328	09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe	cmd.exe
PID 1060 wrote to memory of 2152	1060	cmd.exe	PING.EXE
PID 1060 wrote to memory of 2152	1060	cmd.exe	PING.EXE
PID 1060 wrote to memory of 2152	1060	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe
"C:\Users\Admin\AppData\Local\Temp\09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.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:3540

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09b1ea4337c445e072144aad9547b0f058090299c03da26456854362451b21e5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1060

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2152

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:1944

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:4072

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
b4b93f19710d3e24b251b3c4a7117a40

SHA1
dc8efce71379752a6b8d0cbeeb45685721d6f8fd

SHA256
233cae423f67aa22a90b1545fb5cd05c678b829bafd7c981ba0b1b891b52cb61

SHA512
c4d5e42557f7390501893de47a06a0c80f5731318425decdcd504b1e3ce95aa4e5ccc29b1033a443defc58d14d0ba6930a570bfad58743bbbc4d3d88187efff3

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b4b93f19710d3e24b251b3c4a7117a40

SHA1
dc8efce71379752a6b8d0cbeeb45685721d6f8fd

SHA256
233cae423f67aa22a90b1545fb5cd05c678b829bafd7c981ba0b1b891b52cb61

SHA512
c4d5e42557f7390501893de47a06a0c80f5731318425decdcd504b1e3ce95aa4e5ccc29b1033a443defc58d14d0ba6930a570bfad58743bbbc4d3d88187efff3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads