sakula | 053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2

General

Target

053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe
Size

79KB
MD5

6ea0425341ca46dae315c1f38f289b80
SHA1

a019504c4923813d6739647af122377c21782422
SHA256

053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2
SHA512

a1e339accbcdf77a2951c33924201150711e24674a50f40e6e26701bc5d12fba521859f9d971e09a0d21b93b75dbc54fffc30ffa9beeee9d578c85b58fcbf2a6

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

3860 MediaCenter.exe

pid	process
3860	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:

053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.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"	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.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\MonthlyUploadRestriction = "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\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\DownloadMonthlyCdnBytes = "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
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\CacheSizeBytes = "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\NormalDownloadPendingCount = "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\DownloadMonthlyRateBkBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.140644"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.771688"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893153434931723"	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\SwarmCount = "1"	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\UplinkUsageBps = "0"	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
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\DownloadMonthlyGroupBytes = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.195313"	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\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\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\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\Config\DODownloadMode = "1"	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\PeerInfoCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3124 PING.EXE

pid	process
3124	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3000	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.execmd.exe

description	pid	process	target process
PID 3000 wrote to memory of 3860	3000	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe	MediaCenter.exe
PID 3000 wrote to memory of 3860	3000	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe	MediaCenter.exe
PID 3000 wrote to memory of 3860	3000	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe	MediaCenter.exe
PID 3000 wrote to memory of 1424	3000	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe	cmd.exe
PID 3000 wrote to memory of 1424	3000	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe	cmd.exe
PID 3000 wrote to memory of 1424	3000	053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe	cmd.exe
PID 1424 wrote to memory of 3124	1424	cmd.exe	PING.EXE
PID 1424 wrote to memory of 3124	1424	cmd.exe	PING.EXE
PID 1424 wrote to memory of 3124	1424	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe
"C:\Users\Admin\AppData\Local\Temp\053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\053871aef418858a62b820b47313392dbcba103427a1dfd53def2b0a6c4247f2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1424

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3124

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3036

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:644

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:2924

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
9dc31b21a09bcb50b9862b7a4a2f446b

SHA1
b179e1a3f27cde562c9ca37a6189e4019c2d9c4c

SHA256
d157a961dfdd105dd018e3d0fd3ae9f670f95d88662ec0b48e1ed5baf94541c3

SHA512
c69d2e657d60dfdebdf75020730c6ce0f82a379bdde130aebb8a90e56bced29d0068b9ad2d5b04a1980e26a710e1d108e25979bddfe550d409cf6acf4d814249

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
9dc31b21a09bcb50b9862b7a4a2f446b

SHA1
b179e1a3f27cde562c9ca37a6189e4019c2d9c4c

SHA256
d157a961dfdd105dd018e3d0fd3ae9f670f95d88662ec0b48e1ed5baf94541c3

SHA512
c69d2e657d60dfdebdf75020730c6ce0f82a379bdde130aebb8a90e56bced29d0068b9ad2d5b04a1980e26a710e1d108e25979bddfe550d409cf6acf4d814249

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads