sakula | 18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb

General

Target

18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe
Size

58KB
MD5

a9cd6f8b3148f41eb27a9b73878d0639
SHA1

004f6aac2d5642b4688103333b821e20c74e0dad
SHA256

18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb
SHA512

dbfb4fe6ffa354196d2e0a5cc9925cb2bcb4ddd80d262b5e367ea0516d71638dc2f0aabcb84b7af4bd1cb151d132d60b087948d061bf643f8460dbb8d36f9aac

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

2068 MediaCenter.exe

pid	process
2068	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:

18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.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"	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.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

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\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\DownlinkUsageBps = "0"	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\UploadMonthlyInternetBytes = "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\CDNConnectionCount = "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\FrDownloadRatePct = "90"	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\Settings	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\InternetConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	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\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\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\MemoryUsageKB = "4132"	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\DownloadMonthlyCdnBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4232"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\LANConnectionCount = "0"	svchost.exe
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 = "0.039515"	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\DownloadMonthlyRateFrBps = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.788053"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.998464"	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\SwarmCount = "1"	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\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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892849028607974"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3184 PING.EXE

pid	process
3184	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1404	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.execmd.exe

description	pid	process	target process
PID 1404 wrote to memory of 2068	1404	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe	MediaCenter.exe
PID 1404 wrote to memory of 2068	1404	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe	MediaCenter.exe
PID 1404 wrote to memory of 2068	1404	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe	MediaCenter.exe
PID 1404 wrote to memory of 2000	1404	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe	cmd.exe
PID 1404 wrote to memory of 2000	1404	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe	cmd.exe
PID 1404 wrote to memory of 2000	1404	18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe	cmd.exe
PID 2000 wrote to memory of 3184	2000	cmd.exe	PING.EXE
PID 2000 wrote to memory of 3184	2000	cmd.exe	PING.EXE
PID 2000 wrote to memory of 3184	2000	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe
"C:\Users\Admin\AppData\Local\Temp\18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2068

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18da61249154760d0502b9712955a96f9a52c87a6e9c1aa1dd593c28dd70bccb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3184

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:2640

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:4052

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
f6178a7609a172342d6c50703ec246a3

SHA1
37c2779876b6c550c19cec8812521646d69abdb5

SHA256
2ad5389b32690b9d7f4ba92bc0c5359d603e764df869512e6fa63a61a964d803

SHA512
dba87b3b5c274d51badc107389c9fc83f9fc0c6902bbd72ae4f376109fb654699783b7dae1b17d13863c4b9abfdf3bc9ec3d302a5376a08cb56d73c98b2c3b4b

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

MD5
f6178a7609a172342d6c50703ec246a3

SHA1
37c2779876b6c550c19cec8812521646d69abdb5

SHA256
2ad5389b32690b9d7f4ba92bc0c5359d603e764df869512e6fa63a61a964d803

SHA512
dba87b3b5c274d51badc107389c9fc83f9fc0c6902bbd72ae4f376109fb654699783b7dae1b17d13863c4b9abfdf3bc9ec3d302a5376a08cb56d73c98b2c3b4b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads