sakula | 154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f

General

Target

154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe
Size

36KB
MD5

823a94ae4dd49566f4df7b7523bb5c99
SHA1

7dc0752bc195df48613710af9dd427f55a448225
SHA256

154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f
SHA512

e7997744eb62cb568f476bcf244035ebeaa5308d196ecb9c04ab5408cf9c9bc65d94a077d1aa41a9fd59cbf105aa6209e09fa5359699d09e3ccc444a785878b3

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

3020 MediaCenter.exe

pid	process
3020	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:

154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.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"	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.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

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
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\UploadMonthlyInternetBytes = "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\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\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\MemoryUsageKB = "4096"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\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\PriorityDownloadPendingCount = "0"	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\DODownloadMode = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.666671"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.997556"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\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\FrDownloadRatePct = "90"	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\MonthlyUploadRestriction = "0"	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\Usage	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\Config\KVFileExpirationTime = "132892901267287003"	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\UploadRatePct = "100"	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 = "0.176576"	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\DownloadMonthlyInternetBytes = "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\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\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\GroupConnectionCount = "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\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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

100 PING.EXE

pid	process
100	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3980	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.execmd.exe

description	pid	process	target process
PID 3980 wrote to memory of 3020	3980	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe	MediaCenter.exe
PID 3980 wrote to memory of 3020	3980	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe	MediaCenter.exe
PID 3980 wrote to memory of 3020	3980	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe	MediaCenter.exe
PID 3980 wrote to memory of 2216	3980	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe	cmd.exe
PID 3980 wrote to memory of 2216	3980	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe	cmd.exe
PID 3980 wrote to memory of 2216	3980	154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe	cmd.exe
PID 2216 wrote to memory of 100	2216	cmd.exe	PING.EXE
PID 2216 wrote to memory of 100	2216	cmd.exe	PING.EXE
PID 2216 wrote to memory of 100	2216	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe
"C:\Users\Admin\AppData\Local\Temp\154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3980

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3020

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\154d6cd36c6b11cc4ac4cb7d5a7f1ce7e29b4f3be5a11c4672e9168828c7ac5f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2216

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:100

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2196

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:1412

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:2588

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
d871dd31e302d3335f8a789ead23a9a5

SHA1
4221aa43b5056a503e533f9586a1612f7c3e8c21

SHA256
0a0255591548a3f5b197b144f9cdb47d52dcb206a766aabe55e47040bbf655bf

SHA512
88f9ae22472beb355e3292879d67fe15a021732073adfc6f2e9d4d603cec190532937024b8357a127f2549d037d54611b95f313db17ee2ceb188897dc62ec1b1

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

MD5
d871dd31e302d3335f8a789ead23a9a5

SHA1
4221aa43b5056a503e533f9586a1612f7c3e8c21

SHA256
0a0255591548a3f5b197b144f9cdb47d52dcb206a766aabe55e47040bbf655bf

SHA512
88f9ae22472beb355e3292879d67fe15a021732073adfc6f2e9d4d603cec190532937024b8357a127f2549d037d54611b95f313db17ee2ceb188897dc62ec1b1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads