sakula | 1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa

General

Target

1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe
Size

36KB
MD5

1f11ebc627bc6f263016cf0f85ffe57c
SHA1

95ec9bb7b6b96161ab137efbf8b15d94e29b5690
SHA256

1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa
SHA512

d565275d21b85839bcd0643b30dfb838c4a3f0d44713e9438daf3116f54cffc94c11791897b6b70fd95f7281b3bc8731e798ea45821e8acc9f4221d0ff3a651c

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

3860 MediaCenter.exe

pid	process
3860	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:

1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.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"	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\Config\DownloadMode_BackCompat = "1"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096"	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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.203529"	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\Usage\UploadMonthlyLanBytes = "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\DownlinkBps = "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\MemoryUsageKB = "4200"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.164475"	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\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\LANConnectionCount = "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\UploadRatePct = "100"	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\NormalDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.294767"	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\SwarmCount = "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	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\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\MonthlyUploadRestriction = "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\Config\KVFileExpirationTime = "132892957660141059"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\DODownloadMode = "1"	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\DownloadMonthlyRateBkCnt = "0"	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\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2136 PING.EXE

pid	process
2136	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1240	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe
Token: SeBackupPrivilege	3300	TiWorker.exe
Token: SeRestorePrivilege	3300	TiWorker.exe
Token: SeSecurityPrivilege	3300	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.execmd.exe

description	pid	process	target process
PID 1240 wrote to memory of 3860	1240	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe	MediaCenter.exe
PID 1240 wrote to memory of 3860	1240	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe	MediaCenter.exe
PID 1240 wrote to memory of 3860	1240	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe	MediaCenter.exe
PID 1240 wrote to memory of 1916	1240	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe	cmd.exe
PID 1240 wrote to memory of 1916	1240	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe	cmd.exe
PID 1240 wrote to memory of 1916	1240	1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe	cmd.exe
PID 1916 wrote to memory of 2136	1916	cmd.exe	PING.EXE
PID 1916 wrote to memory of 2136	1916	cmd.exe	PING.EXE
PID 1916 wrote to memory of 2136	1916	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe
"C:\Users\Admin\AppData\Local\Temp\1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1121a0e767a618c831ed2875470e7fc138e259176c2b538ec030caceeecc11fa.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2136

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3332

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:3104

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:3300

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
d914f0eca4b69c077a4fc527da3a3944

SHA1
98e819de906774f163ae7cee7143e3a2c7dcca22

SHA256
5f709709ea2ae774342cf7f416200860fc2e9f35a36cfa48e55b4b7ecb582b5a

SHA512
5608aad3dddbc9553cae7d228f2aa948191e9ecf3f5fb840fc07f359f858d691c06a71269a81db524e0484e7d26c2b4d5894da8349844a456c47ac8d991dbfd1

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

MD5
d914f0eca4b69c077a4fc527da3a3944

SHA1
98e819de906774f163ae7cee7143e3a2c7dcca22

SHA256
5f709709ea2ae774342cf7f416200860fc2e9f35a36cfa48e55b4b7ecb582b5a

SHA512
5608aad3dddbc9553cae7d228f2aa948191e9ecf3f5fb840fc07f359f858d691c06a71269a81db524e0484e7d26c2b4d5894da8349844a456c47ac8d991dbfd1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads