sakula | 1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a

General

Target

1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe
Size

60KB
MD5

5255c167b18fe55eb15cd49b413e0e34
SHA1

c7aefc9e68aa2b19bf82a980b67a78b846769e4d
SHA256

1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a
SHA512

c84484604df90de46b79bc5460a7ab0bee5f35a35e9053e6e0a6cb692e7c11b67e36b06b5fac87240285adc4962120ffc6357801525a9d82dca4856d385a2a89

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3712 MediaCenter.exe

pid	process
3712	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:

1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.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"	1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.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\InternetConnectionCount = "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\LANConnectionCount = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.190488"	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\DownloadMonthlyCacheHostBytes = "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\MonthID = "2"	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\UploadMonthlyLanBytes = "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\DownlinkBps = "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\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\PeerInfoCount = "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\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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.036293"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\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\BkDownloadRatePct = "45"	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\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.160335"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892951922441425"	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\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 (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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4032 PING.EXE

pid	process
4032	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe
Token: SeRestorePrivilege	2080	TiWorker.exe
Token: SeSecurityPrivilege	2080	TiWorker.exe
Token: SeBackupPrivilege	2080	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.execmd.exe

description	pid	process	target process
PID 1988 wrote to memory of 3712	1988	1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe	MediaCenter.exe
PID 1988 wrote to memory of 3712	1988	1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe	MediaCenter.exe
PID 1988 wrote to memory of 3712	1988	1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe	MediaCenter.exe
PID 1988 wrote to memory of 3564	1988	1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe	cmd.exe
PID 1988 wrote to memory of 3564	1988	1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe	cmd.exe
PID 1988 wrote to memory of 3564	1988	1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe	cmd.exe
PID 3564 wrote to memory of 4032	3564	cmd.exe	PING.EXE
PID 3564 wrote to memory of 4032	3564	cmd.exe	PING.EXE
PID 3564 wrote to memory of 4032	3564	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe
"C:\Users\Admin\AppData\Local\Temp\1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1988

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1181c42236562c33b55c2bf40a96231301fe7d764ac0a94297daddec4902ed3a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3564

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4032

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2056

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:3488

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:2080

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
2f91ed283ef9793ad03fe373fd153412

SHA1
186f7ba0f7944fc101afd9adf3991ffb27073906

SHA256
0df1efb39b5e94ec1fd144dcec2639be6b85c9e6832e5b0014f87ffefa4334aa

SHA512
10e5a4dd318eba22e3c78ccd8ed7a3e94a75b88fbb8e7820e2e0d27b3ce8dbb920dde764a14f4a3fe6c532efd9177660ee1a0e17b7cab4d0fd62abb5fd96ee9a

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

MD5
2f91ed283ef9793ad03fe373fd153412

SHA1
186f7ba0f7944fc101afd9adf3991ffb27073906

SHA256
0df1efb39b5e94ec1fd144dcec2639be6b85c9e6832e5b0014f87ffefa4334aa

SHA512
10e5a4dd318eba22e3c78ccd8ed7a3e94a75b88fbb8e7820e2e0d27b3ce8dbb920dde764a14f4a3fe6c532efd9177660ee1a0e17b7cab4d0fd62abb5fd96ee9a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads