sakula | 166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3

General

Target

166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe
Size

216KB
MD5

9712da65c39e1c9d8db173336f2a9666
SHA1

50bc9cfddd0513188e84746090903c3f8fcba92c
SHA256

166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3
SHA512

91c25e7351e1816ef10d96b072ab4220e92c6c4565fb69266a83a06473c1b71c062182e4f84b4ea784f5a1c0cecbe241839fe1e960e48ff847b620ba0ee02cc5

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 4 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/1444-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3692-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3692 MediaCenter.exe

pid	process
3692	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:

166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.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"	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\DownloadMonthlyRateBkCnt = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892882348614486"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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 (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\PriorityDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "4312"	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\UploadMonthlyInternetBytes = "0"	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\UploadRatePct = "100"	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\PriorityDownloadCount = "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\DownloadMonthlyCdnBytes = "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\LinkLocalConnectionCount = "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\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 (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 = "4116"	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\DownloadMonthlyRateBkBps = "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 = "9.016578"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166651"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1320 PING.EXE

pid	process
1320	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1444	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.execmd.exe

description	pid	process	target process
PID 1444 wrote to memory of 3692	1444	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe	MediaCenter.exe
PID 1444 wrote to memory of 3692	1444	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe	MediaCenter.exe
PID 1444 wrote to memory of 3692	1444	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe	MediaCenter.exe
PID 1444 wrote to memory of 1184	1444	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe	cmd.exe
PID 1444 wrote to memory of 1184	1444	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe	cmd.exe
PID 1444 wrote to memory of 1184	1444	166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe	cmd.exe
PID 1184 wrote to memory of 1320	1184	cmd.exe	PING.EXE
PID 1184 wrote to memory of 1320	1184	cmd.exe	PING.EXE
PID 1184 wrote to memory of 1320	1184	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe
"C:\Users\Admin\AppData\Local\Temp\166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1444

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3692

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\166e340abe0062fce6ab2b2cc32c28ba9fa9818d2bb7b55049049829926641a3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1320

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3704

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:2052

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:3524

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
0ddc865d30ed3c34fb553b1d19e930ee

SHA1
1beab1d8b3b10176e497bb0afd3cf7214d49d185

SHA256
ead9a1ef76c8080da45ad43ebf1fd6239479eff70cb4ec701fc413c587010b63

SHA512
b6989251697e7ac2602dc9a8bac4a8f5f84a03f61f8e47f216d9c90f7072a269894f1312acb75d4def6447a95fdd71ef798c8d60053112e834f472ae7e4af938

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

MD5
0ddc865d30ed3c34fb553b1d19e930ee

SHA1
1beab1d8b3b10176e497bb0afd3cf7214d49d185

SHA256
ead9a1ef76c8080da45ad43ebf1fd6239479eff70cb4ec701fc413c587010b63

SHA512
b6989251697e7ac2602dc9a8bac4a8f5f84a03f61f8e47f216d9c90f7072a269894f1312acb75d4def6447a95fdd71ef798c8d60053112e834f472ae7e4af938

Download Submit
memory/1444-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3692-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads