sakula | 053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9

General

Target

053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe
Size

150KB
MD5

3eec723e3763cfef6ed6e2ecfddbf48d
SHA1

cd16fd3cce1f87909d97001bbb36d6dee3ab0be1
SHA256

053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9
SHA512

344984ddada8264bfdb186720923bd22b45edd8371dd70325713c212c1a22a09081a7f5caa6035c845e6c23553417973543ba1c4c3dfb537d4fd7fb50ce85c7f

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

3808 MediaCenter.exe

pid	process
3808	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:

053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.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"	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.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 50 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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2"	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\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 (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 = "4076"	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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893152895543672"	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\DownlinkUsageBps = "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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.515016"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4264"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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 = "3.608327"	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\DownloadMonthlyRateFrCnt = "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\PeerInfoCount = "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\BkDownloadRatePct = "45"	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
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\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\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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "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\UploadRatePct = "100"	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\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\LANConnectionCount = "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 = "16.665280"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1196 PING.EXE

pid	process
1196	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3812	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe
Token: SeBackupPrivilege	3492	TiWorker.exe
Token: SeRestorePrivilege	3492	TiWorker.exe
Token: SeSecurityPrivilege	3492	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.execmd.exe

description	pid	process	target process
PID 3812 wrote to memory of 3808	3812	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe	MediaCenter.exe
PID 3812 wrote to memory of 3808	3812	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe	MediaCenter.exe
PID 3812 wrote to memory of 3808	3812	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe	MediaCenter.exe
PID 3812 wrote to memory of 1856	3812	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe	cmd.exe
PID 3812 wrote to memory of 1856	3812	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe	cmd.exe
PID 3812 wrote to memory of 1856	3812	053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe	cmd.exe
PID 1856 wrote to memory of 1196	1856	cmd.exe	PING.EXE
PID 1856 wrote to memory of 1196	1856	cmd.exe	PING.EXE
PID 1856 wrote to memory of 1196	1856	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe
"C:\Users\Admin\AppData\Local\Temp\053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.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:3808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\053e7f8f1a6b0d0dd421724b5f1457f77a540b25a3993a4d60da104bf35e0af9.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1196

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3608

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:2796

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:3492

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
bc52dd290c3aa13310a9d6fc0bbeb47b

SHA1
b0e083b7aac735c73848a28ea6df0176acfbfd7b

SHA256
21b406dddef62446f4c7ddb916de1ec228c77e31d9a420cddfb3ebb78c76240f

SHA512
710d7787be9f1262cba6d400934cc1eb42018c56ddd61530fe5d5a5ffd1cca1bfea26efcbdf92455d58ee2c5a315ca1b20481495cc59f9d11e57080bbe8ff7a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
bc52dd290c3aa13310a9d6fc0bbeb47b

SHA1
b0e083b7aac735c73848a28ea6df0176acfbfd7b

SHA256
21b406dddef62446f4c7ddb916de1ec228c77e31d9a420cddfb3ebb78c76240f

SHA512
710d7787be9f1262cba6d400934cc1eb42018c56ddd61530fe5d5a5ffd1cca1bfea26efcbdf92455d58ee2c5a315ca1b20481495cc59f9d11e57080bbe8ff7a5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads