sakula | 15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4

General

Target

15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe
Size

191KB
MD5

af9bdb24f085fe125b6b1d7dee2ff634
SHA1

a4ecbec9051bcccb201812ed313dfb4651fc168a
SHA256

15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4
SHA512

65dde3c880078869a7b89dec8fe2f545b39df1a4a7494e58a286c6f84ef5bd8527b87510474e23e0a29ed5a73d47d39aee22fcb9e1a207283bd026659d46031f

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

4020 MediaCenter.exe

pid	process
4020	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:

15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.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"	15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 52 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 = "0.008097"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3912"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892893161287193"	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\CacheSizeBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "37.476315"	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\DownloadMode_BackCompat = "1"	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\DownlinkUsageBps = "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 = "4304"	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\DownloadMonthlyRateBkCnt = "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\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\SwarmCount = "1"	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\UploadMonthlyInternetBytes = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4264"	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\UplinkUsageBps = "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\PeerInfoCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.257164"	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\UploadRatePct = "100"	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\Config\DODownloadMode = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\CDNConnectionCount = "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\BkDownloadRatePct = "45"	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\SwarmCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.342463"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3108 PING.EXE

pid	process
3108	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.execmd.exe

description	pid	process	target process
PID 3716 wrote to memory of 4020	3716	15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe	MediaCenter.exe
PID 3716 wrote to memory of 4020	3716	15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe	MediaCenter.exe
PID 3716 wrote to memory of 4020	3716	15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe	MediaCenter.exe
PID 3716 wrote to memory of 3536	3716	15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe	cmd.exe
PID 3716 wrote to memory of 3536	3716	15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe	cmd.exe
PID 3716 wrote to memory of 3536	3716	15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe	cmd.exe
PID 3536 wrote to memory of 3108	3536	cmd.exe	PING.EXE
PID 3536 wrote to memory of 3108	3536	cmd.exe	PING.EXE
PID 3536 wrote to memory of 3108	3536	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe
"C:\Users\Admin\AppData\Local\Temp\15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3716

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4020

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15c774cdceca4775baa1e0f6cfbf9cf396c5812c03b6e475ecb59a04d1a79ac4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3108

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:788

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:1052

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
cfc9f7d5e7e131c4716b3e58a0cf7fb3

SHA1
eee5b828221a49181eb3e21e6cd84911688c3a5b

SHA256
4e45b84e6177a85924c8b0f19453d24ced3b6989c78731e7f99818821975d52b

SHA512
468de6553ee4d69bc023c629d9fa14c1530f3f3bef8df74a14e801464fd5a32cc8fffc804355e53254a58d6d2eb5d87b321e2c01a6e0affecdf0058939456e66

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

MD5
cfc9f7d5e7e131c4716b3e58a0cf7fb3

SHA1
eee5b828221a49181eb3e21e6cd84911688c3a5b

SHA256
4e45b84e6177a85924c8b0f19453d24ced3b6989c78731e7f99818821975d52b

SHA512
468de6553ee4d69bc023c629d9fa14c1530f3f3bef8df74a14e801464fd5a32cc8fffc804355e53254a58d6d2eb5d87b321e2c01a6e0affecdf0058939456e66

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads