sakula | 0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe

General

Target

0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe
Size

36KB
MD5

515b5e484df24730eb30a6aa669d2a06
SHA1

b1b1a3ae6f0d9b02db71f6c87f79d0908d791124
SHA256

0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe
SHA512

f1da061741003ee196bc7c56118c90dd6cafb942d98d9ca9ae613db44187cce753e7d19fccc0abc56c1387c7bc84ce593dac664029400176dda1cc38b682a4c8

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

2644 MediaCenter.exe

pid	process
2644	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:

0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.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"	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 50 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 = "0.636895"	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\LANConnectionCount = "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\DownlinkUsageBps = "0"	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\Settings	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\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\MonthlyUploadRestriction = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4340"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\UploadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "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\MemoryUsageKB = "4104"	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\Config\KVFileExpirationTime = "132893000840463068"	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\DownlinkBps = "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\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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkCnt = "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\NormalDownloadCount = "0"	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\DownloadMonthlyGroupBytes = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.060458"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\SwarmCount = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2604 PING.EXE

pid	process
2604	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3596	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.execmd.exe

description	pid	process	target process
PID 3596 wrote to memory of 2644	3596	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe	MediaCenter.exe
PID 3596 wrote to memory of 2644	3596	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe	MediaCenter.exe
PID 3596 wrote to memory of 2644	3596	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe	MediaCenter.exe
PID 3596 wrote to memory of 1116	3596	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe	cmd.exe
PID 3596 wrote to memory of 1116	3596	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe	cmd.exe
PID 3596 wrote to memory of 1116	3596	0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe	cmd.exe
PID 1116 wrote to memory of 2604	1116	cmd.exe	PING.EXE
PID 1116 wrote to memory of 2604	1116	cmd.exe	PING.EXE
PID 1116 wrote to memory of 2604	1116	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe
"C:\Users\Admin\AppData\Local\Temp\0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3596

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2644

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e2a84cf5da1f7ddf65f4dd4c495be7b6a5b712d532c3e51cd6e0094654ef7fe.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2604

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3248

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:3628

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:3536

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
893fbcbd2d4981dbaaef90a00ac4cd38

SHA1
370b4808d640f2b7eb9d38b953a9dc3b087605df

SHA256
ad2eaaf32acac7201dbb9cd0a60453fe657f7ca8eb00b5a5b48912f9581db0c4

SHA512
144ccf2bdc2c614e7a90c46dbb82816763c40467dc39a72088adc4f24c638538d2e919f8b0fc759ada6b5e28f5edb3d3660fb4e674b016d72aa2863949ab36ff

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

MD5
893fbcbd2d4981dbaaef90a00ac4cd38

SHA1
370b4808d640f2b7eb9d38b953a9dc3b087605df

SHA256
ad2eaaf32acac7201dbb9cd0a60453fe657f7ca8eb00b5a5b48912f9581db0c4

SHA512
144ccf2bdc2c614e7a90c46dbb82816763c40467dc39a72088adc4f24c638538d2e919f8b0fc759ada6b5e28f5edb3d3660fb4e674b016d72aa2863949ab36ff

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads