sakula | 0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a

General

Target

0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe
Size

36KB
MD5

af88161d1d37b5d04c5ccab07cae0351
SHA1

1f799696b7bfc7227332b76d06dcdd56b89d5884
SHA256

0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a
SHA512

7b8f42abdab26a9a61ee8eaef57789dedbe22134add955c4a69a0478b721a598c22d9d9ed209a62e91b0a161405c5175be441fa50e9e3229e7ca94019a574b6c

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

3536 MediaCenter.exe

pid	process
3536	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:

0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.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"	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.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

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\DownloadMonthlyLanBytes = "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 (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\UploadMonthlyLanBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	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\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\MonthID = "2"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.050556"	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\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\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\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\LinkLocalConnectionCount = "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 (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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.040916"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.896579"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	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\NormalDownloadCount = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893096120836793"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\Config\DownloadMode_BackCompat = "1"	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\UplinkUsageBps = "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\SwarmCount = "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\DownloadMonthlyCdnBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2996 PING.EXE

pid	process
2996	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe

description	pid	process
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3776	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.execmd.exe

description	pid	process	target process
PID 3776 wrote to memory of 3536	3776	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe	MediaCenter.exe
PID 3776 wrote to memory of 3536	3776	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe	MediaCenter.exe
PID 3776 wrote to memory of 3536	3776	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe	MediaCenter.exe
PID 3776 wrote to memory of 2824	3776	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe	cmd.exe
PID 3776 wrote to memory of 2824	3776	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe	cmd.exe
PID 3776 wrote to memory of 2824	3776	0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe	cmd.exe
PID 2824 wrote to memory of 2996	2824	cmd.exe	PING.EXE
PID 2824 wrote to memory of 2996	2824	cmd.exe	PING.EXE
PID 2824 wrote to memory of 2996	2824	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe
"C:\Users\Admin\AppData\Local\Temp\0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3776

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3536

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0920f3a73c20e84b0ec9c772b6d6a59b3081fad0ed0835b107597dc69f212f4a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2824

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2996

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:1868

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:3484

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
8936a29c10d76723b73677a54697733c

SHA1
3fbb458c631867d9ec05f3b845e4f42ebff5a75c

SHA256
172d26ec0da577ee66d67fd11130f6955edf9190f33062cadf9dda3b966d9c99

SHA512
c9bbb2ba6c309a76c15fae7c9cbc5c958ce788ee03e3fcb180931071fabc35ec0d848b821fb413ce66e0a9b636563b8abf1ffe540d3c6e208d80621aed7f639a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
8936a29c10d76723b73677a54697733c

SHA1
3fbb458c631867d9ec05f3b845e4f42ebff5a75c

SHA256
172d26ec0da577ee66d67fd11130f6955edf9190f33062cadf9dda3b966d9c99

SHA512
c9bbb2ba6c309a76c15fae7c9cbc5c958ce788ee03e3fcb180931071fabc35ec0d848b821fb413ce66e0a9b636563b8abf1ffe540d3c6e208d80621aed7f639a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads