sakula | 0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4

General

Target

0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe
Size

100KB
MD5

8e5d453db2d187f3586e99681242fb63
SHA1

6d215d09d23356169277abd80437d9f2a8fc32d3
SHA256

0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4
SHA512

7465943227c5e18f9fd9d907f65635a425ffd7144db00b0be4613e48c39540a1382cc8efc3a335e1e5e155f97ea5e0bf595007148b1c3188e0576d8b601aba41

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 2 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3084 MediaCenter.exe

pid	process
3084	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:

0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.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"	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\LANConnectionCount = "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\BkDownloadRatePct = "45"	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\Usage\UploadCount = "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\InternetConnectionCount = "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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.500041"	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\MemoryUsageKB = "4172"	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\CacheSizeBytes = "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\Usage	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 = "132893079599306708"	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\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\MonthlyUploadRestriction = "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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.373418"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4392"	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\DownloadMonthlyGroupBytes = "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\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\DownloadMonthlyLinkLocalBytes = "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\LinkLocalConnectionCount = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4056"	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\UploadMonthlyInternetBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013245"	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\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3720 PING.EXE

pid	process
3720	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe

description	pid	process
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1936	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe
Token: SeBackupPrivilege	220	TiWorker.exe
Token: SeRestorePrivilege	220	TiWorker.exe
Token: SeSecurityPrivilege	220	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.execmd.exe

description	pid	process	target process
PID 1936 wrote to memory of 3084	1936	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe	MediaCenter.exe
PID 1936 wrote to memory of 3084	1936	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe	MediaCenter.exe
PID 1936 wrote to memory of 3084	1936	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe	MediaCenter.exe
PID 1936 wrote to memory of 2588	1936	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe	cmd.exe
PID 1936 wrote to memory of 2588	1936	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe	cmd.exe
PID 1936 wrote to memory of 2588	1936	0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe	cmd.exe
PID 2588 wrote to memory of 3720	2588	cmd.exe	PING.EXE
PID 2588 wrote to memory of 3720	2588	cmd.exe	PING.EXE
PID 2588 wrote to memory of 3720	2588	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe
"C:\Users\Admin\AppData\Local\Temp\0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3084

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a28de676825ffe3edc00ae5af812990ec561e530def8ce5d4864c862cccdce4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2588

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3720

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3160

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:2188

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:220

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
8c7dc99136a2d8091c2a458c24b9af4d

SHA1
15da9d1006edb74e34c6a3035a1c82c5f80810dd

SHA256
e565ba66ba95d07fd426eba6af90aba449e1bfb3b5e0cd2024937fba483c112c

SHA512
e488ab02597bfc455e420e10c4dd3d43e11766467b878d0eb3ab373609af3b011c054cb18bab462cd2d37bc085337771721e6fb04c4f14ace234ca274c5ec930

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
8c7dc99136a2d8091c2a458c24b9af4d

SHA1
15da9d1006edb74e34c6a3035a1c82c5f80810dd

SHA256
e565ba66ba95d07fd426eba6af90aba449e1bfb3b5e0cd2024937fba483c112c

SHA512
e488ab02597bfc455e420e10c4dd3d43e11766467b878d0eb3ab373609af3b011c054cb18bab462cd2d37bc085337771721e6fb04c4f14ace234ca274c5ec930

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads