sakula | 154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57

General

Target

154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe
Size

58KB
MD5

d0924fccc9d672b68dfced05e98d367e
SHA1

95bf3ce4937ca2c5b90f6aba9e0f135b46d00b38
SHA256

154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57
SHA512

6b9911f1c6916c179d72a03e9053a81f29a9a01bbf629047a97092e97f7f0546fcb8e0a482e60a6da698debd82c2c0a384e38f196a8e7f46c65f0c60838b93e6

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

2068 MediaCenter.exe

pid	process
2068	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:

154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.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"	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 45 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\FrDownloadRatePct = "90"	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\DownloadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132892901485822602"	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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "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\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\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\MonthlyUploadRestriction = "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 = "0.235294"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownlinkBps = "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\DownloadMonthlyGroupBytes = "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\LANConnectionCount = "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\MemoryUsageKB = "4096"	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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "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\PeerInfoCount = "0"	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\UploadRatePct = "100"	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\UploadMonthlyInternetBytes = "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\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\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3176 PING.EXE

pid	process
3176	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3664	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe
Token: SeBackupPrivilege	4008	TiWorker.exe
Token: SeRestorePrivilege	4008	TiWorker.exe
Token: SeSecurityPrivilege	4008	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.execmd.exe

description	pid	process	target process
PID 3664 wrote to memory of 2068	3664	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe	MediaCenter.exe
PID 3664 wrote to memory of 2068	3664	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe	MediaCenter.exe
PID 3664 wrote to memory of 2068	3664	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe	MediaCenter.exe
PID 3664 wrote to memory of 2928	3664	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe	cmd.exe
PID 3664 wrote to memory of 2928	3664	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe	cmd.exe
PID 3664 wrote to memory of 2928	3664	154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe	cmd.exe
PID 2928 wrote to memory of 3176	2928	cmd.exe	PING.EXE
PID 2928 wrote to memory of 3176	2928	cmd.exe	PING.EXE
PID 2928 wrote to memory of 3176	2928	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe
"C:\Users\Admin\AppData\Local\Temp\154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2068

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\154cbfe8d94eeca39eeaaf94de6fdf0a7f5af1d77aa2df3cfcef6e0b8b5f4a57.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2928

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3176

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1100

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:4000

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:4008

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
c9635849dd794a517b953f5c6a3a1bf8

SHA1
a9b0996cd742173904ffad87aca940e2311eb66e

SHA256
597f1d93a23b03b57d916269b00f7907a0640913fd6485ad7c40d7dfe35cecfe

SHA512
933c2d7562659d2e62725ab6e62c8cba56b7d4914d4b4e300385a68054c2d91afd4460aa885d48d69e99540d181910fa967ad54b788b6562cf3edcb8cef54b3d

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

MD5
c9635849dd794a517b953f5c6a3a1bf8

SHA1
a9b0996cd742173904ffad87aca940e2311eb66e

SHA256
597f1d93a23b03b57d916269b00f7907a0640913fd6485ad7c40d7dfe35cecfe

SHA512
933c2d7562659d2e62725ab6e62c8cba56b7d4914d4b4e300385a68054c2d91afd4460aa885d48d69e99540d181910fa967ad54b788b6562cf3edcb8cef54b3d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads