sakula | 1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f

General

Target

1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe
Size

58KB
MD5

9e25fd48b99ba06bb0a3e7eec967104c
SHA1

93db2cb4771f6d093af9970318bdaaaadc5b23bd
SHA256

1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f
SHA512

630bd2fb54563a69c7a30bb510064529f047861fb66eb96f8bf0ce34c8fd9cf6939f76f636c3bdac40f89dca91c910f0bf63bba9cf9a1e25e23a34e1cc34c7f4

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

2200 MediaCenter.exe

pid	process
2200	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:

1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.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"	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.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\MonthID = "2"	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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.881732"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
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\DownloadMonthlyLanBytes = "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\CacheSizeBytes = "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\DownloadMonthlyCdnBytes = "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\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "15.115399"	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\Config\DownloadMode_BackCompat = "1"	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\Config\KVFileExpirationTime = "132892901110629191"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.030100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4340"	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\UploadMonthlyLanBytes = "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
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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\FrDownloadRatePct = "90"	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 (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\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\InternetConnectionCount = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3788 PING.EXE

pid	process
3788	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1384	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.execmd.exe

description	pid	process	target process
PID 1384 wrote to memory of 2200	1384	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe	MediaCenter.exe
PID 1384 wrote to memory of 2200	1384	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe	MediaCenter.exe
PID 1384 wrote to memory of 2200	1384	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe	MediaCenter.exe
PID 1384 wrote to memory of 1208	1384	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe	cmd.exe
PID 1384 wrote to memory of 1208	1384	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe	cmd.exe
PID 1384 wrote to memory of 1208	1384	1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe	cmd.exe
PID 1208 wrote to memory of 3788	1208	cmd.exe	PING.EXE
PID 1208 wrote to memory of 3788	1208	cmd.exe	PING.EXE
PID 1208 wrote to memory of 3788	1208	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe
"C:\Users\Admin\AppData\Local\Temp\1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2200

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1553eef6b26cfe078eeb603b328a450f3a326e5a2e82eed404bba3cacab3956f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3788

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:3972

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:2600

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
5033782ee97a143b333bc7260a56c943

SHA1
5866fb9d1484769ff3d4f7a7862e513be0461d63

SHA256
b4b2b06b03776d32408b45b76c4f160ba47d6cfc481fd5b8ac18985894f73d3d

SHA512
6f362efe45b65dc835e948f1a955cc5b8d7fe2a3c2cd9fbfe46eef03972b4448be23cd7df4c00bc43563d7391f6b27ad36e90040256177b5f4c52b88cbf17d3c

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

MD5
5033782ee97a143b333bc7260a56c943

SHA1
5866fb9d1484769ff3d4f7a7862e513be0461d63

SHA256
b4b2b06b03776d32408b45b76c4f160ba47d6cfc481fd5b8ac18985894f73d3d

SHA512
6f362efe45b65dc835e948f1a955cc5b8d7fe2a3c2cd9fbfe46eef03972b4448be23cd7df4c00bc43563d7391f6b27ad36e90040256177b5f4c52b88cbf17d3c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads