sakula | 171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee

General

Target

171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe
Size

99KB
MD5

4c6b59a14f1a41ce216a7f36611607f5
SHA1

d40254548dfac75a498cd91921f0226d2c4d9573
SHA256

171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee
SHA512

3f42525ea93c5e6cd3df2fb1acfa76576c8c0e16431c80b2a9a08d2cda6221b7e78cd7647694310619608b6766c9bcd3705cf945432b70a9cb9ba01377efc866

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

208 MediaCenter.exe

pid	process
208	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:

171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.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"	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.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

Modifies data under HKEY_USERS 54 IoCs

Processes:

svchost.exe

description	ioc	process
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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\MonthID = "1"	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\BkDownloadRatePct = "45"	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\SwarmCount = "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\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\SwarmCount = "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\DownloadMonthlyCdnBytes = "90228624"	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\DownlinkUsageBps = "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\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\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.999501"	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\MemoryUsageKB = "4104"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.555176"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4"	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\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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892872092763944"	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\Usage\CPUpct = "4.098375"	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\CacheSizeBytes = "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\LANConnectionCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4088 PING.EXE

pid	process
4088	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2400	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe
Token: SeBackupPrivilege	4080	TiWorker.exe
Token: SeRestorePrivilege	4080	TiWorker.exe
Token: SeSecurityPrivilege	4080	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.execmd.exe

description	pid	process	target process
PID 2400 wrote to memory of 208	2400	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe	MediaCenter.exe
PID 2400 wrote to memory of 208	2400	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe	MediaCenter.exe
PID 2400 wrote to memory of 208	2400	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe	MediaCenter.exe
PID 2400 wrote to memory of 2012	2400	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe	cmd.exe
PID 2400 wrote to memory of 2012	2400	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe	cmd.exe
PID 2400 wrote to memory of 2012	2400	171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe	cmd.exe
PID 2012 wrote to memory of 4088	2012	cmd.exe	PING.EXE
PID 2012 wrote to memory of 4088	2012	cmd.exe	PING.EXE
PID 2012 wrote to memory of 4088	2012	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe
"C:\Users\Admin\AppData\Local\Temp\171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:208

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\171ae67809781c354e8432aeedd84bb3eaf83d349576dd345e3243cda2ec1eee.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4088

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:3572

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:4080

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
783e864440131ec7841e46335bf220d7

SHA1
4ef0ffcbdb3b2d760ec939e99e5555161c7a27a3

SHA256
c589a18ecb27661f73ea0fbe9c0d19e173f46a68ab2716fee4b5c71d2c7194c8

SHA512
c1b9ad7c735243264850ab8bdd24413046b7e36a5fb8070c54907545c5b532cc56dfe08f15edc78413d6fbf8ce9a12d266f761755a503ea707aae2774dc59da8

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

MD5
783e864440131ec7841e46335bf220d7

SHA1
4ef0ffcbdb3b2d760ec939e99e5555161c7a27a3

SHA256
c589a18ecb27661f73ea0fbe9c0d19e173f46a68ab2716fee4b5c71d2c7194c8

SHA512
c1b9ad7c735243264850ab8bdd24413046b7e36a5fb8070c54907545c5b532cc56dfe08f15edc78413d6fbf8ce9a12d266f761755a503ea707aae2774dc59da8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads