sakula | 16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636

General

Target

16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe
Size

60KB
MD5

d8af75b722f107ff61b90e3b6f760ab9
SHA1

2a0d3b5afa6c8286909810df31b73ada346f3ad5
SHA256

16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636
SHA512

fa75eb68743db7b38c16a8b76843cd75eaebeb8a2a03a7f2459e7d6fe3bcac5bd14b3e2bdcacc41dae3053370896fb30ff2529923add85a23d56612faa6cba8e

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

3512 MediaCenter.exe

pid	process
3512	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:

16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.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"	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.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 (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 = "0.019810"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyInternetBytes = "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\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\UplinkUsageBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.877713"	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\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\Config\KVFileExpirationTime = "132892877214290190"	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 = "0.000000"	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\CacheSizeBytes = "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\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\Usage\DownloadMonthlyRateBkBps = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164"	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\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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\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\DownloadMonthlyRateBkCnt = "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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3016 PING.EXE

pid	process
3016	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1760	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.execmd.exe

description	pid	process	target process
PID 1760 wrote to memory of 3512	1760	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe	MediaCenter.exe
PID 1760 wrote to memory of 3512	1760	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe	MediaCenter.exe
PID 1760 wrote to memory of 3512	1760	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe	MediaCenter.exe
PID 1760 wrote to memory of 3176	1760	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe	cmd.exe
PID 1760 wrote to memory of 3176	1760	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe	cmd.exe
PID 1760 wrote to memory of 3176	1760	16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe	cmd.exe
PID 3176 wrote to memory of 3016	3176	cmd.exe	PING.EXE
PID 3176 wrote to memory of 3016	3176	cmd.exe	PING.EXE
PID 3176 wrote to memory of 3016	3176	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe
"C:\Users\Admin\AppData\Local\Temp\16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3512

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16cf079cfd81b78fb4fe50979439f4edbc583539bf3e08e0a118c9092eb69636.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3176

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3016

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:636

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:3320

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:3360

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
d2e1aab457d22716eaa50a5bab58e0e0

SHA1
b67fd586e85c103a68f0dddb1a640a06f398eb04

SHA256
75252fc29abd619e7b07650dea29a3eb7e777d12cdf4dbb4d3796489a838d00b

SHA512
3fdd097517e47d9ac94a7aa483453b4afc879a21a95ca15187f016e681147c97767186b9b2da739c30130208a4285c45a09f0525adb7b2cff60d5582af99f419

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

MD5
d2e1aab457d22716eaa50a5bab58e0e0

SHA1
b67fd586e85c103a68f0dddb1a640a06f398eb04

SHA256
75252fc29abd619e7b07650dea29a3eb7e777d12cdf4dbb4d3796489a838d00b

SHA512
3fdd097517e47d9ac94a7aa483453b4afc879a21a95ca15187f016e681147c97767186b9b2da739c30130208a4285c45a09f0525adb7b2cff60d5582af99f419

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads