sakula | 186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3

General

Target

186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe
Size

101KB
MD5

5661bd22824f603186e214acb98354ca
SHA1

cb37832c32671181bd7557823d2a3523a4406c9c
SHA256

186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3
SHA512

fa3215b53eb3fafa953a64ae096c48a244838700cd5fc8c380bfbe75615e2771d8161065940a7f1ff03bdb0f35861617bfec9e34e3fb88867b1e29207a643386

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

3004 MediaCenter.exe

pid	process
3004	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:

186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.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"	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.024894"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.857165"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288"	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\UploadMonthlyInternetBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\Config\DODownloadMode = "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\CacheSizeBytes = "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\UploadCount = "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\MemoryUsageKB = "4076"	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\SwarmCount = "1"	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 (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\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\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\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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadPendingCount = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892854889746359"	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\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\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2884 PING.EXE

pid	process
2884	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe

description	pid	process
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeIncBasePriorityPrivilege	4000	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe
Token: SeBackupPrivilege	984	TiWorker.exe
Token: SeRestorePrivilege	984	TiWorker.exe
Token: SeSecurityPrivilege	984	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.execmd.exe

description	pid	process	target process
PID 4000 wrote to memory of 3004	4000	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe	MediaCenter.exe
PID 4000 wrote to memory of 3004	4000	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe	MediaCenter.exe
PID 4000 wrote to memory of 3004	4000	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe	MediaCenter.exe
PID 4000 wrote to memory of 1772	4000	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe	cmd.exe
PID 4000 wrote to memory of 1772	4000	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe	cmd.exe
PID 4000 wrote to memory of 1772	4000	186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe	cmd.exe
PID 1772 wrote to memory of 2884	1772	cmd.exe	PING.EXE
PID 1772 wrote to memory of 2884	1772	cmd.exe	PING.EXE
PID 1772 wrote to memory of 2884	1772	cmd.exe	PING.EXE

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1552

C:\Users\Admin\AppData\Local\Temp\186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe
"C:\Users\Admin\AppData\Local\Temp\186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3004

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\186612bb5c2de6b97a4f0bccb54fa0fb26a047a8cf2ac90d9665f8f14d13d6e3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2884

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:3876

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:984

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
eae0eb0f8cb5bde594dd7de1335cad1a

SHA1
f6b3cc887b6822449ccb73a5485bf44c50b563cc

SHA256
8d680b1c091ee91c118f8842182bbcbfab5c147ac6e420e52313839a9cbf5e6a

SHA512
dbb8cf71d4ee2e87c721e8a79bd68f4f11bcf2c779aa3468e72bda72ee75fc4a259be4fb808c6d418a292ec9ab49f8474424663a840795875e3db501bc71fb1a

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

MD5
eae0eb0f8cb5bde594dd7de1335cad1a

SHA1
f6b3cc887b6822449ccb73a5485bf44c50b563cc

SHA256
8d680b1c091ee91c118f8842182bbcbfab5c147ac6e420e52313839a9cbf5e6a

SHA512
dbb8cf71d4ee2e87c721e8a79bd68f4f11bcf2c779aa3468e72bda72ee75fc4a259be4fb808c6d418a292ec9ab49f8474424663a840795875e3db501bc71fb1a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads