sakula | 0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f

General

Target

0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe
Size

80KB
MD5

46c89c43c52c559a792e8ce75a78fde4
SHA1

a51632a451db606cf4705b9709947be65eecd112
SHA256

0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f
SHA512

c32a02d7aa53f77ac6604d1e1e77d67f9b7cf2a23c2f64afdfbd9e728c2ee92704a42d742d1dbac946b27fea144718fa7777a46fdb9bb136ecc8cf9f921e7c6d

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

3596 MediaCenter.exe

pid	process
3596	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:

0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.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"	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120"	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\GroupConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4360"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.036914"	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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCdnBytes = "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
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\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\DownlinkBps = "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 = "0.320742"	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\UploadRatePct = "100"	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\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\CacheSizeBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.346336"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892983313058999"	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\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\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\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\InternetConnectionCount = "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\SwarmCount = "1"	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\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3968 PING.EXE

pid	process
3968	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	212	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.execmd.exe

description	pid	process	target process
PID 212 wrote to memory of 3596	212	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe	MediaCenter.exe
PID 212 wrote to memory of 3596	212	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe	MediaCenter.exe
PID 212 wrote to memory of 3596	212	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe	MediaCenter.exe
PID 212 wrote to memory of 2160	212	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe	cmd.exe
PID 212 wrote to memory of 2160	212	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe	cmd.exe
PID 212 wrote to memory of 2160	212	0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe	cmd.exe
PID 2160 wrote to memory of 3968	2160	cmd.exe	PING.EXE
PID 2160 wrote to memory of 3968	2160	cmd.exe	PING.EXE
PID 2160 wrote to memory of 3968	2160	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe
"C:\Users\Admin\AppData\Local\Temp\0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3596

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f33b96dcb731976f0c66749f73df1e23d244e640660be2cc7ccdb6f0ede392f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2160

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3968

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3804

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:1160

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:2528

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
b80b1676b49f8bc5180ec5095afc9412

SHA1
f32c129895b06c317e706ba559d7d352c6c3c975

SHA256
295b4b0fa6000681d0c304bb9790b409eb92695738046c0f191e0d5bff51c596

SHA512
558876cb35bcf4efaeaa2a48dfcf5e04abe74d830040d00d39301327f8278877d0b532d5c9d38d576fb52e0f658c6583f4f5f16af281db6fd14a8b3c5c69bbd8

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

MD5
b80b1676b49f8bc5180ec5095afc9412

SHA1
f32c129895b06c317e706ba559d7d352c6c3c975

SHA256
295b4b0fa6000681d0c304bb9790b409eb92695738046c0f191e0d5bff51c596

SHA512
558876cb35bcf4efaeaa2a48dfcf5e04abe74d830040d00d39301327f8278877d0b532d5c9d38d576fb52e0f658c6583f4f5f16af281db6fd14a8b3c5c69bbd8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads