sakula | 026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e

General

Target

026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe
Size

60KB
MD5

707a1d509d63fdc4a0d35b277d0b1418
SHA1

253275d5b24cf38acd8ed9df9989901d01854286
SHA256

026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e
SHA512

fedbbdab37cd3990fca35f87306e3d1e6a17c81badb2e4514396aa7dd8182f2fe5c9d3155ad09288e953228dcad49adf0d9c0b971b0988ca3a05812da8488523

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

2800 MediaCenter.exe

pid	process
2800	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:

026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.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"	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.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
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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.083893"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893188345239032"	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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4344"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\DownloadMonthlyCdnBytes = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.431408"	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\SwarmCount = "1"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.126796"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328"	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\DownloadMonthlyRateBkBps = "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\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
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\SwarmCount = "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\LinkLocalConnectionCount = "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\UplinkUsageBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3964 PING.EXE

pid	process
3964	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3816	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe
Token: SeBackupPrivilege	3736	TiWorker.exe
Token: SeRestorePrivilege	3736	TiWorker.exe
Token: SeSecurityPrivilege	3736	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.execmd.exe

description	pid	process	target process
PID 3816 wrote to memory of 2800	3816	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe	MediaCenter.exe
PID 3816 wrote to memory of 2800	3816	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe	MediaCenter.exe
PID 3816 wrote to memory of 2800	3816	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe	MediaCenter.exe
PID 3816 wrote to memory of 980	3816	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe	cmd.exe
PID 3816 wrote to memory of 980	3816	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe	cmd.exe
PID 3816 wrote to memory of 980	3816	026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe	cmd.exe
PID 980 wrote to memory of 3964	980	cmd.exe	PING.EXE
PID 980 wrote to memory of 3964	980	cmd.exe	PING.EXE
PID 980 wrote to memory of 3964	980	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe
"C:\Users\Admin\AppData\Local\Temp\026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3816

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2800

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\026fc07d2c09ca93ad95d4a7975fe0a2dcad282eb09e0f1ad60777ad22016b6e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:980

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3964

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1920

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:2488

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:3736

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
1b2a500d5858c32e593222e91a753303

SHA1
bfe0a144073bae68a2685ae2203b6be125163af0

SHA256
2a1369253b9e60d5ffcd06e10025c6edcdac8ed0b95b788633fbd59a060c1445

SHA512
23fef93cacbd8cf5cf769b2cc4fd02608ae135509fc3464899749d1fa12910ee1275ccfde9184a4a124a9de5d053046da9aa07b738b71b1e3cd226e5d8b7feb9

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
1b2a500d5858c32e593222e91a753303

SHA1
bfe0a144073bae68a2685ae2203b6be125163af0

SHA256
2a1369253b9e60d5ffcd06e10025c6edcdac8ed0b95b788633fbd59a060c1445

SHA512
23fef93cacbd8cf5cf769b2cc4fd02608ae135509fc3464899749d1fa12910ee1275ccfde9184a4a124a9de5d053046da9aa07b738b71b1e3cd226e5d8b7feb9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads