sakula | 05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1

General

Target

05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe
Size

216KB
MD5

69fd584b82e33c033fb8a076167838de
SHA1

0d1dc3bc0b8a77e9bba8cfba7fc77b6295eea8f1
SHA256

05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1
SHA512

a825feb90f1614bc8c58a280f9452556b4f156ed7a3a0d7de7946676172c2c9400f948d13028529e7fb2784a75f251967166409d130d796971d33ed98599cca6

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 4 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
behavioral2/memory/624-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3040-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3040 MediaCenter.exe

pid	process
3040	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:

05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.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"	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.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\DownloadMonthlyRateFrBps = "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\Config\KVFileExpirationTime = "132893143518238539"	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\CDNConnectionCount = "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\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 (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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3984"	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\UplinkBps = "0"	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 = "4.053727"	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\SwarmCount = "1"	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\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 = "4340"	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\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 (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\MonthlyUploadRestriction = "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\SwarmCount = "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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyGroupBytes = "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\GroupConnectionCount = "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\Config\DownloadMode_BackCompat = "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\MemoryUsageKB = "4156"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.502040"	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\UploadCount = "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\DownloadMonthlyCacheHostBytes = "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
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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1444 PING.EXE

pid	process
1444	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe

description	pid	process
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeIncBasePriorityPrivilege	624	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe
Token: SeBackupPrivilege	1584	TiWorker.exe
Token: SeRestorePrivilege	1584	TiWorker.exe
Token: SeSecurityPrivilege	1584	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.execmd.exe

description	pid	process	target process
PID 624 wrote to memory of 3040	624	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe	MediaCenter.exe
PID 624 wrote to memory of 3040	624	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe	MediaCenter.exe
PID 624 wrote to memory of 3040	624	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe	MediaCenter.exe
PID 624 wrote to memory of 2744	624	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe	cmd.exe
PID 624 wrote to memory of 2744	624	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe	cmd.exe
PID 624 wrote to memory of 2744	624	05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe	cmd.exe
PID 2744 wrote to memory of 1444	2744	cmd.exe	PING.EXE
PID 2744 wrote to memory of 1444	2744	cmd.exe	PING.EXE
PID 2744 wrote to memory of 1444	2744	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe
"C:\Users\Admin\AppData\Local\Temp\05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3040

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05dd157417f9e7514db2dc5775701d250ff8d99060bce4144e4321aef617ddd1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1444

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2720

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:3868

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:1584

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
b0167b4ef2ca476385346f3bb1e62fe5

SHA1
feaf2d645e59085bd39539fcfa772bd6acaeab59

SHA256
6d7e4b0f32d31c03c1634109d633fc8d081bcfc510b113a3587ba67520cdd1c3

SHA512
7c312a9fb5c9e446e98d1c7d56670c5308970035c36d9e2b7a915869c7df5f1a724f30afee283d7ab91bab60119c8a21d6afc8655668850544758d468849ce01

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b0167b4ef2ca476385346f3bb1e62fe5

SHA1
feaf2d645e59085bd39539fcfa772bd6acaeab59

SHA256
6d7e4b0f32d31c03c1634109d633fc8d081bcfc510b113a3587ba67520cdd1c3

SHA512
7c312a9fb5c9e446e98d1c7d56670c5308970035c36d9e2b7a915869c7df5f1a724f30afee283d7ab91bab60119c8a21d6afc8655668850544758d468849ce01

Download Submit
memory/624-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3040-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads