sakula | 058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8

General

Target

058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe
Size

79KB
MD5

044ba6a722a7a0c7e1a4d687005b7a0a
SHA1

a71d0f16e2e744b2e2565bbabbe6ea6bd82fc9ad
SHA256

058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8
SHA512

d9113a072f4d59972278607d168072d0a95a1a5691b840faacc4af03b12b2f253e7694bf630d5edc08e8a8d7097ed6aa2eab58d0184681428bc5bdd28740f078

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

3932 MediaCenter.exe

pid	process
3932	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:

058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.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"	058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.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\UploadMonthlyInternetBytes = "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\DownlinkBps = "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 (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\Settings	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkCnt = "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\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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.150106"	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
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\DownloadMonthlyRateBkBps = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\DownloadMonthlyCdnBytes = "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\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 (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\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 (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\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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.800896"	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\Config\KVFileExpirationTime = "132893148032568856"	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\UplinkBps = "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\MemoryUsageKB = "4092"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2640 PING.EXE

pid	process
2640	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.execmd.exe

description	pid	process	target process
PID 1792 wrote to memory of 3932	1792	058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe	MediaCenter.exe
PID 1792 wrote to memory of 3932	1792	058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe	MediaCenter.exe
PID 1792 wrote to memory of 3932	1792	058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe	MediaCenter.exe
PID 1792 wrote to memory of 1492	1792	058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe	cmd.exe
PID 1792 wrote to memory of 1492	1792	058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe	cmd.exe
PID 1792 wrote to memory of 1492	1792	058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe	cmd.exe
PID 1492 wrote to memory of 2640	1492	cmd.exe	PING.EXE
PID 1492 wrote to memory of 2640	1492	cmd.exe	PING.EXE
PID 1492 wrote to memory of 2640	1492	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe
"C:\Users\Admin\AppData\Local\Temp\058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1792

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3932

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\058ae5d8fea05a808f05a6fbb9c8e3678f1a1cd4b5b9abd37a815c2b9b84f2b8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1492

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2640

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2132

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:2428

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:3812

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
3efd63ba3647f5cfad8f7e59e0e3a1ce

SHA1
211417338c006d99e9b6e55c134ad08d9198705f

SHA256
efa9a9af06db715be578edbeef158fc455cdcadec7c187d00b9803ffeaaf3a8d

SHA512
9aafb766cb87eb36ab8d6f794c9712736ca9b2d212d188a37ce5127e1158ac2e63657f324ec4bcf5a76ba9614e5d185e138af674585bbcbc6fee4c37f32acdc7

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
3efd63ba3647f5cfad8f7e59e0e3a1ce

SHA1
211417338c006d99e9b6e55c134ad08d9198705f

SHA256
efa9a9af06db715be578edbeef158fc455cdcadec7c187d00b9803ffeaaf3a8d

SHA512
9aafb766cb87eb36ab8d6f794c9712736ca9b2d212d188a37ce5127e1158ac2e63657f324ec4bcf5a76ba9614e5d185e138af674585bbcbc6fee4c37f32acdc7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads