sakula | 1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff

General

Target

1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe
Size

80KB
MD5

d4f42427c490c6f37a3fa74c54d39376
SHA1

a937bfa1ed33147e48dc3e0391631d91fdea59c7
SHA256

1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff
SHA512

b976232e3d31b48ead260449772a11b9b18d2cc6f89e6c1f5546dbdce8594b97c8030afceb95a694c3b655242670ef38baa92c803a7c3b98cfdcf8b702f746a3

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

2644 MediaCenter.exe

pid	process
2644	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:

1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.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"	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLinkLocalBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.346499"	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\MemoryUsageKB = "4196"	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\Config\DODownloadMode = "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\DownloadMonthlyRateFrBps = "0"	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\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\DownloadMonthlyRateFrCnt = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.553107"	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\UploadMonthlyLanBytes = "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\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\SwarmCount = "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\MonthlyUploadRestriction = "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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\UplinkBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.193300"	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\SwarmCount = "1"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892956384176020"	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\Config	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3672 PING.EXE

pid	process
3672	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3524	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe
Token: SeBackupPrivilege	2136	TiWorker.exe
Token: SeRestorePrivilege	2136	TiWorker.exe
Token: SeSecurityPrivilege	2136	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.execmd.exe

description	pid	process	target process
PID 3524 wrote to memory of 2644	3524	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe	MediaCenter.exe
PID 3524 wrote to memory of 2644	3524	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe	MediaCenter.exe
PID 3524 wrote to memory of 2644	3524	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe	MediaCenter.exe
PID 3524 wrote to memory of 1308	3524	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe	cmd.exe
PID 3524 wrote to memory of 1308	3524	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe	cmd.exe
PID 3524 wrote to memory of 1308	3524	1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe	cmd.exe
PID 1308 wrote to memory of 3672	1308	cmd.exe	PING.EXE
PID 1308 wrote to memory of 3672	1308	cmd.exe	PING.EXE
PID 1308 wrote to memory of 3672	1308	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe
"C:\Users\Admin\AppData\Local\Temp\1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.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:2644

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1139eebcce7c784cf977d9a82491df6da24dfafb0c68b9e0ea964b5d161806ff.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3672

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3652

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:2452

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:2136

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
fb7678b62b0ff3b88fb9e0dbdc2f6baf

SHA1
f228fe22f170cc2fd0cec628c77ca51d18d7ead6

SHA256
44df365aa6915e77129d320c309f0bb64767d62f7753947b921a02e11796dd15

SHA512
66c5e51564317fdc88ce045882303441e09398b6e1e0e7f668f6f478fb0097acaa53e7d52f76428f407c386da91713c4c4e16ae9c51c4b9e277abec19625054d

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

MD5
fb7678b62b0ff3b88fb9e0dbdc2f6baf

SHA1
f228fe22f170cc2fd0cec628c77ca51d18d7ead6

SHA256
44df365aa6915e77129d320c309f0bb64767d62f7753947b921a02e11796dd15

SHA512
66c5e51564317fdc88ce045882303441e09398b6e1e0e7f668f6f478fb0097acaa53e7d52f76428f407c386da91713c4c4e16ae9c51c4b9e277abec19625054d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads