sakula | 06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba

General

Target

06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe
Size

200KB
MD5

cc730862f06bc3554660bcff94c78047
SHA1

bc857b68028dbe836b9452f5a0de36de2bab382f
SHA256

06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba
SHA512

f874b9afb9b483fe013aff7636d1234a928eed6c5b072fd712977c85107ced809fef1ed38fdd567872239d81d27584710a94e270b1c639e19f3e97528f3839c6

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/3096-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2164 MediaCenter.exe

pid	process
2164	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:

06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.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"	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.351348"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172"	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\DownloadMonthlyCacheHostBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\Usage\UplinkBps = "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\NormalDownloadCount = "0"	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\Usage\MonthID = "2"	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\NormalDownloadPendingCount = "0"	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\Config\KVFileExpirationTime = "132893119904950646"	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\DownlinkUsageBps = "0"	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 = "0.251259"	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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\LANConnectionCount = "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\LinkLocalConnectionCount = "0"	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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyCdnBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4064"	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\Config\DODownloadMode = "1"	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\DownloadMonthlyGroupBytes = "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\FrDownloadRatePct = "90"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4008 PING.EXE

pid	process
4008	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3096	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe
Token: SeBackupPrivilege	2624	TiWorker.exe
Token: SeRestorePrivilege	2624	TiWorker.exe
Token: SeSecurityPrivilege	2624	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.execmd.exe

description	pid	process	target process
PID 3096 wrote to memory of 2164	3096	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe	MediaCenter.exe
PID 3096 wrote to memory of 2164	3096	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe	MediaCenter.exe
PID 3096 wrote to memory of 2164	3096	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe	MediaCenter.exe
PID 3096 wrote to memory of 1204	3096	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe	cmd.exe
PID 3096 wrote to memory of 1204	3096	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe	cmd.exe
PID 3096 wrote to memory of 1204	3096	06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe	cmd.exe
PID 1204 wrote to memory of 4008	1204	cmd.exe	PING.EXE
PID 1204 wrote to memory of 4008	1204	cmd.exe	PING.EXE
PID 1204 wrote to memory of 4008	1204	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe
"C:\Users\Admin\AppData\Local\Temp\06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2164

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06eaff19e4cf53f65908be6e2fb7cd79f04ffb471a7d45d6c7686b77414363ba.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4008

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4004

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:3696

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:2624

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
28a61b96de8a93404047f05322a0f917

SHA1
426b392e12170f9b4ce69459f6b5f1c3f1de7364

SHA256
d65a1c46c823b406467915fb832df6a0a8ce4eab1d1810ab10b73dda44afc32e

SHA512
c1653d0a3993e355170526d12ae3413fea3669813c39c6653839e3da9c7017c16ed0def54a67bb3329109b7592dcd560c1266bb00fa89bdc9f9510d1dc209da4

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
28a61b96de8a93404047f05322a0f917

SHA1
426b392e12170f9b4ce69459f6b5f1c3f1de7364

SHA256
d65a1c46c823b406467915fb832df6a0a8ce4eab1d1810ab10b73dda44afc32e

SHA512
c1653d0a3993e355170526d12ae3413fea3669813c39c6653839e3da9c7017c16ed0def54a67bb3329109b7592dcd560c1266bb00fa89bdc9f9510d1dc209da4

Download Submit
memory/3096-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads