sakula | 02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523

General

Target

02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe
Size

192KB
MD5

f53a7ed6b5cd31c3d0f5d869e82d0578
SHA1

cb9083f22fda8121fe1e212c36d920fd7ec2e303
SHA256

02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523
SHA512

ea92c38e46206ce49e1c7930e424a752c8ce35d3332878aa19bcb48fbd0a341e01c2e5f3ac5fa526b108364e6f8f871378268fba393239e8159f4fd40a967be1

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:

02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.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"	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\KVFileExpirationTime = "132893187144040900"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.562509"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	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\DownloadMonthlyRateFrBps = "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\CDNConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\Config\DownloadMode_BackCompat = "1"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.083155"	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\UploadMonthlyLanBytes = "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\PriorityDownloadCount = "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\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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\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 (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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132"	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\MemoryUsageKB = "4284"	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\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\PriorityDownloadPendingCount = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.003572"	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\DownloadMonthlyLinkLocalBytes = "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\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\DownloadMonthlyLanBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2508 PING.EXE

pid	process
2508	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1812	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe
Token: SeBackupPrivilege	2392	TiWorker.exe
Token: SeRestorePrivilege	2392	TiWorker.exe
Token: SeSecurityPrivilege	2392	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.execmd.exe

description	pid	process	target process
PID 1812 wrote to memory of 3932	1812	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe	MediaCenter.exe
PID 1812 wrote to memory of 3932	1812	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe	MediaCenter.exe
PID 1812 wrote to memory of 3932	1812	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe	MediaCenter.exe
PID 1812 wrote to memory of 2200	1812	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe	cmd.exe
PID 1812 wrote to memory of 2200	1812	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe	cmd.exe
PID 1812 wrote to memory of 2200	1812	02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe	cmd.exe
PID 2200 wrote to memory of 2508	2200	cmd.exe	PING.EXE
PID 2200 wrote to memory of 2508	2200	cmd.exe	PING.EXE
PID 2200 wrote to memory of 2508	2200	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe
"C:\Users\Admin\AppData\Local\Temp\02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1812

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\02754cf052c9064a126eb24ff036cc6baa36fd62fcea605594ca9f9b8cb56523.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2508

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:872

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:2212

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:2392

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
e7a69df49efa16f5b30056e9cbafab92

SHA1
e2d63a8f2f2a500937a95434e1349e0284eae8b4

SHA256
141b6add736a3c395b81f3e90980111d555e197a7bad58a7c6b6171355c5bd72

SHA512
2b03665e807af8ae002a00c60f13328945ace0e2b40dfcfaf73c37ffcee8ab7cdf30df0372b077c6abfdab330bf430f6671f30f2f6b0751055827278d84f23fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
e7a69df49efa16f5b30056e9cbafab92

SHA1
e2d63a8f2f2a500937a95434e1349e0284eae8b4

SHA256
141b6add736a3c395b81f3e90980111d555e197a7bad58a7c6b6171355c5bd72

SHA512
2b03665e807af8ae002a00c60f13328945ace0e2b40dfcfaf73c37ffcee8ab7cdf30df0372b077c6abfdab330bf430f6671f30f2f6b0751055827278d84f23fa

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads