sakula | 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88

General

Target

158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe
Size

99KB
MD5

05031431dd97181b54ba1b33a7caf00a
SHA1

26481c4ec528a27bc6d0803d7ad6dd6c10a0f667
SHA256

158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88
SHA512

c78e6e4de6ab6009ed8f2af4aae73dc0482366ad13e77ad55698d23ccd9c4b84972a89218b49712e94d1e8bc57b64362d758a8d2f04d4e301ad827f6ca852202

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

2512 MediaCenter.exe

pid	process
2512	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:

158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.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"	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.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\CacheSizeBytes = "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\DownlinkBps = "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\Config\DownloadMode_BackCompat = "1"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4264"	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\SwarmCount = "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\UploadMonthlyInternetBytes = "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\FrDownloadRatePct = "90"	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\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\Config\KVFileExpirationTime = "132892896293117451"	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 = "0.847504"	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\InternetConnectionCount = "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\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\DownloadMonthlyRateBkCnt = "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 (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\MemoryUsageKB = "4044"	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\PriorityDownloadCount = "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\GroupConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.332225"	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\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\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3184 PING.EXE

pid	process
3184	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	64	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.execmd.exe

description	pid	process	target process
PID 64 wrote to memory of 2512	64	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe	MediaCenter.exe
PID 64 wrote to memory of 2512	64	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe	MediaCenter.exe
PID 64 wrote to memory of 2512	64	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe	MediaCenter.exe
PID 64 wrote to memory of 816	64	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe	cmd.exe
PID 64 wrote to memory of 816	64	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe	cmd.exe
PID 64 wrote to memory of 816	64	158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe	cmd.exe
PID 816 wrote to memory of 3184	816	cmd.exe	PING.EXE
PID 816 wrote to memory of 3184	816	cmd.exe	PING.EXE
PID 816 wrote to memory of 3184	816	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe
"C:\Users\Admin\AppData\Local\Temp\158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:64

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2512

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3184

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:312

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:1780

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:2204

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
a88afc2f68f106ec9d74479dcd8eb1b9

SHA1
d9d3df9fa669c166ff56bbca905d723408859fdd

SHA256
aba5fcfa9bc05553b58a926f094e618a65bd513396b8709063444d2fd4740034

SHA512
8569ee56b06ad274485ed181ad927dc3d57162852e385b8b35c8ea1207580b53ddb081cc5b09d2b0600c9dab87310e9731e7d5a129ceedc4873193f9a372fe48

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

MD5
a88afc2f68f106ec9d74479dcd8eb1b9

SHA1
d9d3df9fa669c166ff56bbca905d723408859fdd

SHA256
aba5fcfa9bc05553b58a926f094e618a65bd513396b8709063444d2fd4740034

SHA512
8569ee56b06ad274485ed181ad927dc3d57162852e385b8b35c8ea1207580b53ddb081cc5b09d2b0600c9dab87310e9731e7d5a129ceedc4873193f9a372fe48

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads