sakula | 15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e

General

Target

15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe
Size

60KB
MD5

77a27b2bd71aece9011c8dd5a7bc0fbb
SHA1

9bc41315c4498fd43982737be03f15093124ce1b
SHA256

15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e
SHA512

93489181b43e117b31d6194963a0aa614695c262657ceb8c58eac47b8304b671f1b05dc2304fc33a1c68a995ae116539fdfbb78a37caf9c143261432b4eb04e3

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

3436 MediaCenter.exe

pid	process
3436	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:

15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.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"	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.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 (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\MemoryUsageKB = "4212"	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\CacheSizeBytes = "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\DownlinkUsageBps = "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\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\LANConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.543218"	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\DownloadMonthlyRateBkCnt = "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\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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\NormalDownloadCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892890584508209"	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\LinkLocalConnectionCount = "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 = "0.277779"	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\DownloadMonthlyInternetBytes = "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\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 (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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	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\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\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 (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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3776 PING.EXE

pid	process
3776	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe

description	pid	process
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3960	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.execmd.exe

description	pid	process	target process
PID 3960 wrote to memory of 3436	3960	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe	MediaCenter.exe
PID 3960 wrote to memory of 3436	3960	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe	MediaCenter.exe
PID 3960 wrote to memory of 3436	3960	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe	MediaCenter.exe
PID 3960 wrote to memory of 3440	3960	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe	cmd.exe
PID 3960 wrote to memory of 3440	3960	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe	cmd.exe
PID 3960 wrote to memory of 3440	3960	15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe	cmd.exe
PID 3440 wrote to memory of 3776	3440	cmd.exe	PING.EXE
PID 3440 wrote to memory of 3776	3440	cmd.exe	PING.EXE
PID 3440 wrote to memory of 3776	3440	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe
"C:\Users\Admin\AppData\Local\Temp\15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3436

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15e9a26ff6859d740a9e6ab7725df330f5569fea9a3d0001fbcd42c1398e092e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3440

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3776

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4000

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:3576

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:3480

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
3a11ef64b195b51fd748075a3262a630

SHA1
df1e6454fa2178811267fab35558a8263e31f75d

SHA256
824e3b82373383fc254130a28d057e15f4cea9eb983f661530a1bb290ec56087

SHA512
870a11cde718d435c90ab8f230ba61cd3446ccea26fe9ad13644ad031f8f98be4009c18b966103b552faff51a3676843382569bb8651dcde35543f820cc57ca1

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

MD5
3a11ef64b195b51fd748075a3262a630

SHA1
df1e6454fa2178811267fab35558a8263e31f75d

SHA256
824e3b82373383fc254130a28d057e15f4cea9eb983f661530a1bb290ec56087

SHA512
870a11cde718d435c90ab8f230ba61cd3446ccea26fe9ad13644ad031f8f98be4009c18b966103b552faff51a3676843382569bb8651dcde35543f820cc57ca1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads