sakula | 1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874

General

Target

1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe
Size

80KB
MD5

ed57e80e95c3d03c825a00772fdf9002
SHA1

5d25bfe45df2aba0ae687b29eb9516bb4ec03eec
SHA256

1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874
SHA512

938c1c00e395710f67df5e85792405e9bdde3d555dee07b5b8a832ed267d3f2fd57ac05eae54d1132ac82967ef48e14e5a53c0131f22200fe0dec6001cd01e5a

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

3648 MediaCenter.exe

pid	process
3648	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:

1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.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"	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.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

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 (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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "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\UploadCount = "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\UploadMonthlyInternetBytes = "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\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 = "4332"	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\DownloadMonthlyCacheHostBytes = "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\SwarmCount = "1"	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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.392402"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.175285"	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\MemoryUsageKB = "4104"	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\CDNConnectionCount = "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	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892970431285361"	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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\InternetConnectionCount = "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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1956 PING.EXE

pid	process
1956	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3812	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe
Token: SeBackupPrivilege	2120	TiWorker.exe
Token: SeRestorePrivilege	2120	TiWorker.exe
Token: SeSecurityPrivilege	2120	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.execmd.exe

description	pid	process	target process
PID 3812 wrote to memory of 3648	3812	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe	MediaCenter.exe
PID 3812 wrote to memory of 3648	3812	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe	MediaCenter.exe
PID 3812 wrote to memory of 3648	3812	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe	MediaCenter.exe
PID 3812 wrote to memory of 3500	3812	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe	cmd.exe
PID 3812 wrote to memory of 3500	3812	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe	cmd.exe
PID 3812 wrote to memory of 3500	3812	1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe	cmd.exe
PID 3500 wrote to memory of 1956	3500	cmd.exe	PING.EXE
PID 3500 wrote to memory of 1956	3500	cmd.exe	PING.EXE
PID 3500 wrote to memory of 1956	3500	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe
"C:\Users\Admin\AppData\Local\Temp\1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3648

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1037dbe227f75932a837a3085126ba97b66d5df2f2fb2ce6a7d3aae9d721d874.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3500

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1956

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:1840

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:2548

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:2120

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
879fbe21ce0772c080c1eba3f3474b3d

SHA1
9304288962a69f5a7a4bfc750633c25f08422d45

SHA256
87d219705bf48906a5158003df1e4d0c91dff97430014c4cb07abf0b12011b11

SHA512
72fe0d124c92b0cd9bab280586386a1e5a586b7a43f8b33076c4c2f5423876f74f705166a70cbec8950a8001369339bc09f9cdac5784a6c62b32e516398e3616

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

MD5
879fbe21ce0772c080c1eba3f3474b3d

SHA1
9304288962a69f5a7a4bfc750633c25f08422d45

SHA256
87d219705bf48906a5158003df1e4d0c91dff97430014c4cb07abf0b12011b11

SHA512
72fe0d124c92b0cd9bab280586386a1e5a586b7a43f8b33076c4c2f5423876f74f705166a70cbec8950a8001369339bc09f9cdac5784a6c62b32e516398e3616

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads