sakula | 156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94

General

Target

156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe
Size

60KB
MD5

41f1f872904d7f717e6f4d0d12c53594
SHA1

878c968887010d810870740b86758ff8bc8d0b64
SHA256

156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94
SHA512

191c8411358806c25d6b491abe1ddae49ae27b4d95c7c4d20d2e6edf7a2d50c48a0130b806899f2a962d19c1398fba93400ab29925430b16d6c6932ed8047b30

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

3604 MediaCenter.exe

pid	process
3604	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:

156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.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"	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.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\Usage\CPUpct = "1.619439"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892899140123847"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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\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 (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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\DownloadMonthlyCacheHostBytes = "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 (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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateBkCnt = "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\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\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 (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\DownlinkBps = "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\GroupConnectionCount = "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 = "4080"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.115830"	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 (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\CacheSizeBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyGroupBytes = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3000 PING.EXE

pid	process
3000	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3264	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.execmd.exe

description	pid	process	target process
PID 3264 wrote to memory of 3604	3264	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe	MediaCenter.exe
PID 3264 wrote to memory of 3604	3264	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe	MediaCenter.exe
PID 3264 wrote to memory of 3604	3264	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe	MediaCenter.exe
PID 3264 wrote to memory of 2624	3264	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe	cmd.exe
PID 3264 wrote to memory of 2624	3264	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe	cmd.exe
PID 3264 wrote to memory of 2624	3264	156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe	cmd.exe
PID 2624 wrote to memory of 3000	2624	cmd.exe	PING.EXE
PID 2624 wrote to memory of 3000	2624	cmd.exe	PING.EXE
PID 2624 wrote to memory of 3000	2624	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe
"C:\Users\Admin\AppData\Local\Temp\156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3264

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3604

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\156a80940673e6aaea0c3ef31b98cbc4e3cad6a9632d42a807e1bbf54a1cdc94.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2624

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3000

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3296

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:3920

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:3472

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
d864f46f986fc7b56efaed221d3ee851

SHA1
8e37e2a184515920d9287f597ea132530a206092

SHA256
358486008c7d410085538c229b92f179bc3d19c4a4b5286cd3506df7546bd048

SHA512
c24012ecedeb987c46dcd83c389f636bf62da23d60f6009a659a17e0f838715276c641964239b370da6265b9ad47e357e4f2a84ab8b1e3add6761ef698740784

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

MD5
d864f46f986fc7b56efaed221d3ee851

SHA1
8e37e2a184515920d9287f597ea132530a206092

SHA256
358486008c7d410085538c229b92f179bc3d19c4a4b5286cd3506df7546bd048

SHA512
c24012ecedeb987c46dcd83c389f636bf62da23d60f6009a659a17e0f838715276c641964239b370da6265b9ad47e357e4f2a84ab8b1e3add6761ef698740784

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads