sakula | 185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618

General

Target

185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe
Size

89KB
MD5

b871b7f7601a78a372241089a4370bb1
SHA1

14565f15d001f5f892cbf300dbb2e08dffad03fd
SHA256

185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618
SHA512

6dae0e80913360dc492b3d3b95e086d4cbaa63583bc1a1cb553ab649e9745356dd654e5b65b061651e87205b2526556c6dea2344f1c0d7afdd5610dad74888b3

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/1800-132-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3956 MediaCenter.exe

pid	process
3956	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:

185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.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"	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.096154"	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\UploadMonthlyLanBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	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\Config	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\SwarmCount = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\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 (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\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\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\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\UploadCount = "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\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\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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\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\PeerInfoCount = "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\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 = "3.478256"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892856440139280"	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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.040241"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3848 PING.EXE

pid	process
3848	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1800	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe
Token: SeBackupPrivilege	316	TiWorker.exe
Token: SeRestorePrivilege	316	TiWorker.exe
Token: SeSecurityPrivilege	316	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.execmd.exe

description	pid	process	target process
PID 1800 wrote to memory of 3956	1800	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe	MediaCenter.exe
PID 1800 wrote to memory of 3956	1800	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe	MediaCenter.exe
PID 1800 wrote to memory of 3956	1800	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe	MediaCenter.exe
PID 1800 wrote to memory of 2720	1800	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe	cmd.exe
PID 1800 wrote to memory of 2720	1800	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe	cmd.exe
PID 1800 wrote to memory of 2720	1800	185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe	cmd.exe
PID 2720 wrote to memory of 3848	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 3848	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 3848	2720	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe
"C:\Users\Admin\AppData\Local\Temp\185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3956

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\185e705dbb8e46409587cd5192da2e6a6aa5db77be8c5714d1b75cf9ac9cd618.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3848

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1760

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:3520

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:316

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
d265841bc726240dd7deb56f4b2b09e2

SHA1
28d823a5d91e494d03c35e436f2ceff0679d7570

SHA256
80cb1c5c9ac57aca0537125fa51ad809cdf0d4b80aadf2db167aa89dcbac1b73

SHA512
b099ae0c8824b63735586e363197b972a3ede63ceea18870c9fc072c7f863aef5c326ab7376d974d27165969887098940598e80a9930553ed8280a04940fbe99

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

MD5
d265841bc726240dd7deb56f4b2b09e2

SHA1
28d823a5d91e494d03c35e436f2ceff0679d7570

SHA256
80cb1c5c9ac57aca0537125fa51ad809cdf0d4b80aadf2db167aa89dcbac1b73

SHA512
b099ae0c8824b63735586e363197b972a3ede63ceea18870c9fc072c7f863aef5c326ab7376d974d27165969887098940598e80a9930553ed8280a04940fbe99

Download Submit
memory/1800-132-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads