sakula | 0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb

General

Target

0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe
Size

79KB
MD5

92a1f1ed883c75ca9542cd943b1d617b
SHA1

304b08668ee59bbf9d15b36580329feae991bdb8
SHA256

0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb
SHA512

6c7a4230364c7884be436ed57213a2b3a20395d5f297ccc83288b3fe9925ad075540153cae4f6e4df5f7f4bdbf333f87308cadcc01788f8e5021f2fe4deca7e5

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

3640 MediaCenter.exe

pid	process
3640	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:

0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.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"	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\DownlinkBps = "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 = "3.896146"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288"	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\LANConnectionCount = "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\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\SwarmCount = "1"	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\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\UploadRatePct = "100"	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 = "3.703651"	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\Config\KVFileExpirationTime = "132893079018137786"	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\CDNConnectionCount = "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\UploadMonthlyLanBytes = "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\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\UplinkBps = "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\Usage	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\Usage\CPUpct = "0.000000"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\UplinkUsageBps = "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\CacheSizeBytes = "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\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\MonthlyUploadRestriction = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3840 PING.EXE

pid	process
3840	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1232	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe
Token: SeBackupPrivilege	3676	TiWorker.exe
Token: SeRestorePrivilege	3676	TiWorker.exe
Token: SeSecurityPrivilege	3676	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.execmd.exe

description	pid	process	target process
PID 1232 wrote to memory of 3640	1232	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe	MediaCenter.exe
PID 1232 wrote to memory of 3640	1232	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe	MediaCenter.exe
PID 1232 wrote to memory of 3640	1232	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe	MediaCenter.exe
PID 1232 wrote to memory of 1796	1232	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe	cmd.exe
PID 1232 wrote to memory of 1796	1232	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe	cmd.exe
PID 1232 wrote to memory of 1796	1232	0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe	cmd.exe
PID 1796 wrote to memory of 3840	1796	cmd.exe	PING.EXE
PID 1796 wrote to memory of 3840	1796	cmd.exe	PING.EXE
PID 1796 wrote to memory of 3840	1796	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe
"C:\Users\Admin\AppData\Local\Temp\0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3640

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a39f2f9e63bff59c297644778b810eafcce213c574da9eaba5ec5a6fcabaceb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3840

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2476

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:3636

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:3676

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
3da2b9dc7902c933c07de84f1b3efc7f

SHA1
9e9b1cabdd9a5811e735a71f130d5de9f2b127ad

SHA256
09e7b14e25fb94a9899e3b8786485f11fde180fe26651fd171e85d65e7c22fbd

SHA512
55ce1d203a68fd4501aa2340d2cc08822caff9d48501c33dca172208cec2444d13bc6f236a77620cb82126bdde0946d21d6a3a477973b109c03c51d0cb1e1e91

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
3da2b9dc7902c933c07de84f1b3efc7f

SHA1
9e9b1cabdd9a5811e735a71f130d5de9f2b127ad

SHA256
09e7b14e25fb94a9899e3b8786485f11fde180fe26651fd171e85d65e7c22fbd

SHA512
55ce1d203a68fd4501aa2340d2cc08822caff9d48501c33dca172208cec2444d13bc6f236a77620cb82126bdde0946d21d6a3a477973b109c03c51d0cb1e1e91

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads