sakula | 0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f

General

Target

0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe
Size

150KB
MD5

dc98011fb640f15d1701b979b9328404
SHA1

4b83a15906a11565bcfc6e536f8d261ad741ff48
SHA256

0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f
SHA512

e3e6fe70172e45fde7cfea36be84499d9ab77d898c25a8bebb58740c2447e7395d294d51f9e2b9c742c0f5d8ff2f6adc9d497d7f815385b16b9899e1cd5084fa

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

4040 MediaCenter.exe

pid	process
4040	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:

0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.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"	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	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
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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4288"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.301200"	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\DownloadMonthlyCacheHostBytes = "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\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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\Config\KVFileExpirationTime = "132893017625436464"	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\DownlinkUsageBps = "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\MonthID = "2"	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\MemoryUsageKB = "4068"	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\FrDownloadRatePct = "90"	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 (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\SwarmCount = "0"	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\DownloadMonthlyRateBkCnt = "0"	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\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "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\DODownloadMode = "1"	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\DownloadMonthlyLinkLocalBytes = "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\SwarmCount = "1"	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\GroupConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.396614"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3984 PING.EXE

pid	process
3984	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	860	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.execmd.exe

description	pid	process	target process
PID 860 wrote to memory of 4040	860	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe	MediaCenter.exe
PID 860 wrote to memory of 4040	860	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe	MediaCenter.exe
PID 860 wrote to memory of 4040	860	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe	MediaCenter.exe
PID 860 wrote to memory of 4080	860	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe	cmd.exe
PID 860 wrote to memory of 4080	860	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe	cmd.exe
PID 860 wrote to memory of 4080	860	0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe	cmd.exe
PID 4080 wrote to memory of 3984	4080	cmd.exe	PING.EXE
PID 4080 wrote to memory of 3984	4080	cmd.exe	PING.EXE
PID 4080 wrote to memory of 3984	4080	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe
"C:\Users\Admin\AppData\Local\Temp\0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4040

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d16b2a91f541a0bcc369fdbf9ccdf628d4f7a15039adadc85dd98ed62ce4d3f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4080

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3984

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3396

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:3644

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:3924

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
c81b2ef81cbaffcd4018cea45648a33d

SHA1
c95a7c0b4f6d9a71038e0b6bdb4d30a10fd7078e

SHA256
9446a2921ad9cfac1a525cb8be769f9bd48a43ece404de29009724715fd1f96b

SHA512
7d5cae7bb9096a78504589180a7a82b7a24bdceec91adda596b17004956c67e8ad112023d9a3ae7fac2e7bed5e341a254e6adeb41311856e97018bd1e77a331e

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

MD5
c81b2ef81cbaffcd4018cea45648a33d

SHA1
c95a7c0b4f6d9a71038e0b6bdb4d30a10fd7078e

SHA256
9446a2921ad9cfac1a525cb8be769f9bd48a43ece404de29009724715fd1f96b

SHA512
7d5cae7bb9096a78504589180a7a82b7a24bdceec91adda596b17004956c67e8ad112023d9a3ae7fac2e7bed5e341a254e6adeb41311856e97018bd1e77a331e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads