sakula | 057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68

General

Target

057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe
Size

150KB
MD5

70a1a48972aca52d6900ea1bf88ecc7d
SHA1

de3efe24ecbe9e847314709ff656744cb5265ed7
SHA256

057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68
SHA512

eaa3350a6c5267c40a73884d528a31846acb9814bc401cf51a373de3a12068eaa9448fdd696c6bbf50b34effaa3b093fac18ff6e73bd9dadc830eb44850b10dd

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

3988 MediaCenter.exe

pid	process
3988	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:

057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.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"	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.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 51 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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.286047"	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\Config	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\InternetConnectionCount = "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\GroupConnectionCount = "0"	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\PriorityDownloadCount = "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\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 (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 = "4372"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.684237"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\DownlinkUsageBps = "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\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\PeerInfoCount = "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\UplinkUsageBps = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\CDNConnectionCount = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.646034"	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\MemoryUsageKB = "4156"	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\DownloadMonthlyLinkLocalBytes = "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\Config\KVFileExpirationTime = "132893148778769685"	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\Config\DODownloadMode = "1"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4012"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1132 PING.EXE

pid	process
1132	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe

description	pid	process
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1784	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.execmd.exe

description	pid	process	target process
PID 1784 wrote to memory of 3988	1784	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe	MediaCenter.exe
PID 1784 wrote to memory of 3988	1784	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe	MediaCenter.exe
PID 1784 wrote to memory of 3988	1784	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe	MediaCenter.exe
PID 1784 wrote to memory of 2984	1784	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe	cmd.exe
PID 1784 wrote to memory of 2984	1784	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe	cmd.exe
PID 1784 wrote to memory of 2984	1784	057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe	cmd.exe
PID 2984 wrote to memory of 1132	2984	cmd.exe	PING.EXE
PID 2984 wrote to memory of 1132	2984	cmd.exe	PING.EXE
PID 2984 wrote to memory of 1132	2984	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe
"C:\Users\Admin\AppData\Local\Temp\057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3988

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\057ab5aa1be71627d2f799ee34a617205f48ab796cbfa7d947f18d09193b8e68.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2984

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1132

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:640

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:1948

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:1696

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
75ec556fe5aff1dc91e1525c2d1d2ad3

SHA1
00b598ddd9aad23f2da34de39ec18022f32052eb

SHA256
394a24377cba92ca435ac83be777bacb85e9f11bac24be41b9091d46942a4742

SHA512
26125fed1d48f225432bb20d45ba7df0d492611f66317d1d5fac8935141520179cb1b74aef0b86edc0252df7d6d4918f18b9277f3c11da48a244162b4a78affb

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
75ec556fe5aff1dc91e1525c2d1d2ad3

SHA1
00b598ddd9aad23f2da34de39ec18022f32052eb

SHA256
394a24377cba92ca435ac83be777bacb85e9f11bac24be41b9091d46942a4742

SHA512
26125fed1d48f225432bb20d45ba7df0d492611f66317d1d5fac8935141520179cb1b74aef0b86edc0252df7d6d4918f18b9277f3c11da48a244162b4a78affb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads