sakula | 15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a

General

Target

15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe
Size

216KB
MD5

1523cd18999c6a67847e1b311690e085
SHA1

c4cbaa205917294eb66d44d81b29e34f8a09766c
SHA256

15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a
SHA512

60a3e98d378ba7c3e2c7fbd3011a8021ea5975a17cdf0a115a8f7bf3de617c91415b888b5990f1f3472f6ef52d4aad0147b90dc588996764193668d714429574

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 3 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
behavioral2/memory/2452-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1848 MediaCenter.exe

pid	process
1848	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:

15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.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"	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 (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\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 (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
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\DownloadMonthlyInternetBytes = "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 = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4216"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.214590"	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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadCount = "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\MonthID = "2"	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\SwarmCount = "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 (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 (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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.152069"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\PeerInfoCount = "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\GroupConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "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\UplinkUsageBps = "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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4108"	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\Config\KVFileExpirationTime = "132892890995185983"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3996 PING.EXE

pid	process
3996	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe

description	pid	process
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2452	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe
Token: SeBackupPrivilege	876	TiWorker.exe
Token: SeRestorePrivilege	876	TiWorker.exe
Token: SeSecurityPrivilege	876	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.execmd.exe

description	pid	process	target process
PID 2452 wrote to memory of 1848	2452	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe	MediaCenter.exe
PID 2452 wrote to memory of 1848	2452	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe	MediaCenter.exe
PID 2452 wrote to memory of 1848	2452	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe	MediaCenter.exe
PID 2452 wrote to memory of 3108	2452	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe	cmd.exe
PID 2452 wrote to memory of 3108	2452	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe	cmd.exe
PID 2452 wrote to memory of 3108	2452	15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe	cmd.exe
PID 3108 wrote to memory of 3996	3108	cmd.exe	PING.EXE
PID 3108 wrote to memory of 3996	3108	cmd.exe	PING.EXE
PID 3108 wrote to memory of 3996	3108	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe
"C:\Users\Admin\AppData\Local\Temp\15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1848

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15e859ef2b3a9956d28887096e987e2bbb49152dea8c03d6f42d0e95a69eca9a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3108

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3996

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:208

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:2136

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:876

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
c6f2c8a9ae79396535a58c84369af4c9

SHA1
76dfa194508cd8e6efca4ecc7c63ec0da55e03a2

SHA256
3207b84da6ce1e61d4a9cd933c3e538ffa980c1b9d4404850fdc3f126f463405

SHA512
546d49b4f0f0a1584a230b71c107ec125bf71f27f5c406b3a02257a3359d5d1b1e8e0f645d0d560ddc905b42c231dfcc6660b985aa061b1e1d16b6c45da41194

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

MD5
c6f2c8a9ae79396535a58c84369af4c9

SHA1
76dfa194508cd8e6efca4ecc7c63ec0da55e03a2

SHA256
3207b84da6ce1e61d4a9cd933c3e538ffa980c1b9d4404850fdc3f126f463405

SHA512
546d49b4f0f0a1584a230b71c107ec125bf71f27f5c406b3a02257a3359d5d1b1e8e0f645d0d560ddc905b42c231dfcc6660b985aa061b1e1d16b6c45da41194

Download Submit
memory/2452-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads