sakula | 12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e

General

Target

12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe
Size

35KB
MD5

9061c59e559375ee951dbde0f6867f8f
SHA1

68bfffc371b3aceea6c0cbbed1685f46aee5043d
SHA256

12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e
SHA512

d2ce52dee809c7350274b314cf1d02edfd1bed4d9cdb657cb7cac9027664058a935f439f1d45c8526f65c52d35056873599962b957b16b970f4ad60f84cf46f6

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

2712 MediaCenter.exe

pid	process
2712	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:

12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.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"	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateBkBps = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.372443"	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\UplinkUsageBps = "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\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\Usage\DownloadMonthlyCdnBytes = "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\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\InternetConnectionCount = "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\MemoryUsageKB = "4312"	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\CDNConnectionCount = "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\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\SwarmCount = "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\UploadRatePct = "100"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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 = "4308"	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\Config\KVFileExpirationTime = "132892937340893162"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\UploadMonthlyLanBytes = "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 = "1"	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\MemoryUsageKB = "4112"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.404500"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2992 PING.EXE

pid	process
2992	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3588	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.execmd.exe

description	pid	process	target process
PID 3588 wrote to memory of 2712	3588	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe	MediaCenter.exe
PID 3588 wrote to memory of 2712	3588	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe	MediaCenter.exe
PID 3588 wrote to memory of 2712	3588	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe	MediaCenter.exe
PID 3588 wrote to memory of 2616	3588	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe	cmd.exe
PID 3588 wrote to memory of 2616	3588	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe	cmd.exe
PID 3588 wrote to memory of 2616	3588	12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe	cmd.exe
PID 2616 wrote to memory of 2992	2616	cmd.exe	PING.EXE
PID 2616 wrote to memory of 2992	2616	cmd.exe	PING.EXE
PID 2616 wrote to memory of 2992	2616	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe
"C:\Users\Admin\AppData\Local\Temp\12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12b686790be4d66639b15cf886254c37c7a4ef3987e73b9a50a6a1a36ab5057e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2616

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2992

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1404

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:3236

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:4020

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
189575a3150e2cb7e5967938436334a7

SHA1
89bf096aab88a0386bf56d80d421f48bb75e7e11

SHA256
53e19e65eba2400a88feee6fb419151c7ba89d17b2a9276f2d3c55f19fc162c2

SHA512
d81d1b9b4d0b201a35fd405c4c53723f1fba1596d93ea6fc4868a74ef6cae4a2542bf2f4ce73426eafc171e7bd540cfb803b544e1e7747b50e825ea108262a05

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

MD5
189575a3150e2cb7e5967938436334a7

SHA1
89bf096aab88a0386bf56d80d421f48bb75e7e11

SHA256
53e19e65eba2400a88feee6fb419151c7ba89d17b2a9276f2d3c55f19fc162c2

SHA512
d81d1b9b4d0b201a35fd405c4c53723f1fba1596d93ea6fc4868a74ef6cae4a2542bf2f4ce73426eafc171e7bd540cfb803b544e1e7747b50e825ea108262a05

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads