sakula | 05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3

General

Target

05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe
Size

99KB
MD5

282e691dbddb8724cacb290909da4b24
SHA1

8d8e303778b6a9210fa10a18b35237b32754086a
SHA256

05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3
SHA512

ae084f85fbb73746792e67244e431cf6308544ea460eb748e789d8b614586fe3d512a770f2cac1bcf413fb61528d22d8d4f22386597d006f2cc4900540242b28

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

2484 MediaCenter.exe

pid	process
2484	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:

05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.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"	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.222226"	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\MonthID = "2"	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\PeerInfoCount = "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\MemoryUsageKB = "4100"	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\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\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\UplinkUsageBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328"	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\Config\KVFileExpirationTime = "132893146110263249"	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\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\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\DownloadMonthlyCacheHostBytes = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.071124"	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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.816800"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	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\InternetConnectionCount = "0"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

776 PING.EXE

pid	process
776	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe

description	pid	process
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3524	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.execmd.exe

description	pid	process	target process
PID 3524 wrote to memory of 2484	3524	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe	MediaCenter.exe
PID 3524 wrote to memory of 2484	3524	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe	MediaCenter.exe
PID 3524 wrote to memory of 2484	3524	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe	MediaCenter.exe
PID 3524 wrote to memory of 2540	3524	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe	cmd.exe
PID 3524 wrote to memory of 2540	3524	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe	cmd.exe
PID 3524 wrote to memory of 2540	3524	05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe	cmd.exe
PID 2540 wrote to memory of 776	2540	cmd.exe	PING.EXE
PID 2540 wrote to memory of 776	2540	cmd.exe	PING.EXE
PID 2540 wrote to memory of 776	2540	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe
"C:\Users\Admin\AppData\Local\Temp\05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2484

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05a412b6a9b4374a59c00182b8b2c47512729f8e20d398690a840586b7a1dba3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2540

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:776

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2824

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:1764

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:872

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
0f888b480846f408526fd6d6aed37493

SHA1
caf9ee77b67cc4ef80b3f194f3964569568c16ba

SHA256
58bd9e011ef9013775c595454440e660dc4bc83f371bfe6855db779fbaa91f16

SHA512
d77ab1f7b25f3417441bb184331245a32c66778ddfd96cc65b2f36d9dcc82c74648999269ae2c4e88ef70a9b3a07dab536fbff92a24b20a11a88446519f4a0d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
0f888b480846f408526fd6d6aed37493

SHA1
caf9ee77b67cc4ef80b3f194f3964569568c16ba

SHA256
58bd9e011ef9013775c595454440e660dc4bc83f371bfe6855db779fbaa91f16

SHA512
d77ab1f7b25f3417441bb184331245a32c66778ddfd96cc65b2f36d9dcc82c74648999269ae2c4e88ef70a9b3a07dab536fbff92a24b20a11a88446519f4a0d3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads