sakula | 126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578

General

Target

126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe
Size

35KB
MD5

8cbfa45b2da5247140b00627e4f75d72
SHA1

cd452b445d4a290c0fc1854b4c91d1f2b5294505
SHA256

126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578
SHA512

ba5802393f02d603e29b05acd1e2e2aa7db2a01d10826004427fb60e0b01ba37c6b75b912a51d89d030b42970976ffd6c6e1e72a6438f6809f9a17f9f49369bd

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

3060 MediaCenter.exe

pid	process
3060	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:

126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.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"	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.941351"	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\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	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\DownloadMonthlyCdnBytes = "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\SwarmCount = "1"	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\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\MonthID = "2"	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\LANConnectionCount = "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\UploadMonthlyLanBytes = "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\UploadMonthlyInternetBytes = "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\Config\DODownloadMode = "1"	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\CacheSizeBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.590103"	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\KVFileExpirationTime = "132892940650389004"	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\LinkLocalConnectionCount = "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\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\NormalDownloadCount = "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\MemoryUsageKB = "4152"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4364"	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\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\Usage\DownloadMonthlyRateFrCnt = "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\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2000 PING.EXE

pid	process
2000	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe

description	pid	process
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1944	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.execmd.exe

description	pid	process	target process
PID 1944 wrote to memory of 3060	1944	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe	MediaCenter.exe
PID 1944 wrote to memory of 3060	1944	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe	MediaCenter.exe
PID 1944 wrote to memory of 3060	1944	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe	MediaCenter.exe
PID 1944 wrote to memory of 1236	1944	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe	cmd.exe
PID 1944 wrote to memory of 1236	1944	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe	cmd.exe
PID 1944 wrote to memory of 1236	1944	126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe	cmd.exe
PID 1236 wrote to memory of 2000	1236	cmd.exe	PING.EXE
PID 1236 wrote to memory of 2000	1236	cmd.exe	PING.EXE
PID 1236 wrote to memory of 2000	1236	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe
"C:\Users\Admin\AppData\Local\Temp\126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3060

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\126660c2cc18cc5b456257e83b29d50d4a53b82cb0188e5a0952c21414d0a578.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2000

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1180

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:2836

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:1180

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
d415171dedef42660ae0d781e0bfe9e7

SHA1
af4f692d3ce30ea75822573543f05cc388ede361

SHA256
aa5d788fc334fc9bfeabe2ca605193a7f7176164cada7a6b797151b751449694

SHA512
0237531e24ab6409cc1d14ab7368b1d1b4d79dab400d1110f86a7883762e9442b858c47e52530c2ef037f1a3ea5d5b072ac4a7277424ebadccbfac459fab3880

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

MD5
d415171dedef42660ae0d781e0bfe9e7

SHA1
af4f692d3ce30ea75822573543f05cc388ede361

SHA256
aa5d788fc334fc9bfeabe2ca605193a7f7176164cada7a6b797151b751449694

SHA512
0237531e24ab6409cc1d14ab7368b1d1b4d79dab400d1110f86a7883762e9442b858c47e52530c2ef037f1a3ea5d5b072ac4a7277424ebadccbfac459fab3880

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads