sakula | 1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3

General

Target

1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe
Size

36KB
MD5

dc9bec6578dbd16763d309fe688d914f
SHA1

6b6eea0e1c9998bb9eb6446d4060f1bf9b230b7a
SHA256

1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3
SHA512

4e84f6039fc97928a565616ad21e28e2dcd2a9611c791f4d7b4df2565bea173c46f011580846ea699fbaf1e99bb8bb0ec27e301123399ea9b37f565d30e54424

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

3356 MediaCenter.exe

pid	process
3356	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:

1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.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"	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.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

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 (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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.047304"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892913804604147"	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\Config\DODownloadMode = "1"	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\LinkLocalConnectionCount = "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\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\InternetConnectionCount = "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\DownloadMonthlyLanBytes = "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\CacheSizeBytes = "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\UplinkUsageBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.084531"	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\UploadMonthlyInternetBytes = "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\DownlinkUsageBps = "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\NormalDownloadCount = "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
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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "4052"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308"	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\UplinkBps = "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 = "1.754362"	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\UploadCount = "0"	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\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3068 PING.EXE

pid	process
3068	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	216	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe
Token: SeBackupPrivilege	1732	TiWorker.exe
Token: SeRestorePrivilege	1732	TiWorker.exe
Token: SeSecurityPrivilege	1732	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.execmd.exe

description	pid	process	target process
PID 216 wrote to memory of 3356	216	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe	MediaCenter.exe
PID 216 wrote to memory of 3356	216	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe	MediaCenter.exe
PID 216 wrote to memory of 3356	216	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe	MediaCenter.exe
PID 216 wrote to memory of 2944	216	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe	cmd.exe
PID 216 wrote to memory of 2944	216	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe	cmd.exe
PID 216 wrote to memory of 2944	216	1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe	cmd.exe
PID 2944 wrote to memory of 3068	2944	cmd.exe	PING.EXE
PID 2944 wrote to memory of 3068	2944	cmd.exe	PING.EXE
PID 2944 wrote to memory of 3068	2944	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe
"C:\Users\Admin\AppData\Local\Temp\1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3356

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1476a1d6991210779f84412236d2d4fd4e5187dc1c6be6ea1fc1bc019be2b5e3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2944

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3068

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3028

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:3112

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:1732

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
b510ef235ed296b82870f0af3e818ee3

SHA1
8685af9935bffdf3b70a53fde544ddc928bf3c2a

SHA256
38bf2588a630292e23b267b90988a54a5b537bedaba5cb4659d6c8670569b6d3

SHA512
eb8e050686e96f04b9e616ca1505c3b58245ce0e6bd8736aa3171312a012c74cfbd406ab95446d014e1003924fdd30b45e27a66528cfd54c8eee1adc7fc904c1

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

MD5
b510ef235ed296b82870f0af3e818ee3

SHA1
8685af9935bffdf3b70a53fde544ddc928bf3c2a

SHA256
38bf2588a630292e23b267b90988a54a5b537bedaba5cb4659d6c8670569b6d3

SHA512
eb8e050686e96f04b9e616ca1505c3b58245ce0e6bd8736aa3171312a012c74cfbd406ab95446d014e1003924fdd30b45e27a66528cfd54c8eee1adc7fc904c1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads