sakula | 1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96

General

Target

1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe
Size

99KB
MD5

3d5801ccdeeafd86a94ad92115ec760b
SHA1

4144dc2c22c8923eb72a08ad26911021499130e3
SHA256

1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96
SHA512

3714b63c2180173bda16fd0504a3feffc4a2def215725454cd8de1660d8980f0241a9f7e78e1ca111bb981098a80462fda6fd16ca9f8a33d4c109262f5fb48e2

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

3900 MediaCenter.exe

pid	process
3900	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:

1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.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"	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\Usage\NormalDownloadCount = "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\DownloadMonthlyRateBkBps = "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\DownlinkBps = "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\UploadCount = "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\Usage\UploadMonthlyInternetBytes = "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\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\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 (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\PeerInfoCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	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\DownlinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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 (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 (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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.020153"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.070822"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.623106"	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\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 (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\UploadRatePct = "100"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212"	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	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\Config\KVFileExpirationTime = "132892966110304543"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3104 PING.EXE

pid	process
3104	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe

description	pid	process
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2280	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe
Token: SeBackupPrivilege	1936	TiWorker.exe
Token: SeRestorePrivilege	1936	TiWorker.exe
Token: SeSecurityPrivilege	1936	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.execmd.exe

description	pid	process	target process
PID 2280 wrote to memory of 3900	2280	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe	MediaCenter.exe
PID 2280 wrote to memory of 3900	2280	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe	MediaCenter.exe
PID 2280 wrote to memory of 3900	2280	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe	MediaCenter.exe
PID 2280 wrote to memory of 3552	2280	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe	cmd.exe
PID 2280 wrote to memory of 3552	2280	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe	cmd.exe
PID 2280 wrote to memory of 3552	2280	1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe	cmd.exe
PID 3552 wrote to memory of 3104	3552	cmd.exe	PING.EXE
PID 3552 wrote to memory of 3104	3552	cmd.exe	PING.EXE
PID 3552 wrote to memory of 3104	3552	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe
"C:\Users\Admin\AppData\Local\Temp\1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3900

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1083793ff965893f6bb195f05653b730646515ce19a8a71464e4b7afab34ef96.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3552

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3104

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:424

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:3296

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:1936

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
a8694862150427934757bd46799ab5ff

SHA1
ca5e9ff4090b7e1c837aa747b4e8d683d54b7e96

SHA256
641c6f64db68e8f1230fc4a9b8a99d2ffdd33a4f29db7a9462dbef04ce400a0e

SHA512
770102c40a2caf47b0b40f70f438eda28f96676cd78d8716f551852a14e3fd982ddb8c3dbb9cd3baae8e0ffca28491a411ab6074fd900989e06b5e69dd27d0bf

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

MD5
a8694862150427934757bd46799ab5ff

SHA1
ca5e9ff4090b7e1c837aa747b4e8d683d54b7e96

SHA256
641c6f64db68e8f1230fc4a9b8a99d2ffdd33a4f29db7a9462dbef04ce400a0e

SHA512
770102c40a2caf47b0b40f70f438eda28f96676cd78d8716f551852a14e3fd982ddb8c3dbb9cd3baae8e0ffca28491a411ab6074fd900989e06b5e69dd27d0bf

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads