sakula | 0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd

General

Target

0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe
Size

92KB
MD5

069f9b64206e6dfb5d098b675dcfc585
SHA1

f8979b273b1c6d9d53ffaacad481cf7206e0b2bc
SHA256

0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd
SHA512

b476e795a0f263a705ade139905593519988c67dda1b270cc7fce2229dc1f66b55839cdd63c253fe919ae8a26a725141fbdf28a57edcd238b6f195a54daa9cfe

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

4016 MediaCenter.exe

pid	process
4016	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:

0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.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"	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyCdnBytes = "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\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\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
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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.266746"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3868"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadPendingCount = "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 = "4188"	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\DownloadMonthlyRateBkCnt = "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\CacheSizeBytes = "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 (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\InternetConnectionCount = "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\MemoryUsageKB = "4088"	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\UploadMonthlyInternetBytes = "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\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\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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893048036975961"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.440528"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4220"	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\DownloadMonthlyCacheHostBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

412 PING.EXE

pid	process
412	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe

description	pid	process
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3192	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.execmd.exe

description	pid	process	target process
PID 3192 wrote to memory of 4016	3192	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe	MediaCenter.exe
PID 3192 wrote to memory of 4016	3192	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe	MediaCenter.exe
PID 3192 wrote to memory of 4016	3192	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe	MediaCenter.exe
PID 3192 wrote to memory of 2276	3192	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe	cmd.exe
PID 3192 wrote to memory of 2276	3192	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe	cmd.exe
PID 3192 wrote to memory of 2276	3192	0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe	cmd.exe
PID 2276 wrote to memory of 412	2276	cmd.exe	PING.EXE
PID 2276 wrote to memory of 412	2276	cmd.exe	PING.EXE
PID 2276 wrote to memory of 412	2276	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe
"C:\Users\Admin\AppData\Local\Temp\0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3192

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4016

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0aec543f25376d122c298f01ff9f624545aea63480ce829b9d966b1b3ec57dcd.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2276

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:412

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3972

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:2736

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:4088

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
e77024769416c54ed45aa5c6bbefa28c

SHA1
814886c8ee9a7ce082eb2e084f7cb3f6d9871b58

SHA256
561c6277f898fffde0ac3411dd8d3f0d95e9815a4634c10b71e3d76d44cf9485

SHA512
0b838d76d6846f550fd102c664e9b8715ecf9df51bfdf0c4cd8e62943f3bd4411b32e5f1a169299937b99fed3b04fefc974a1d1f93652b229d0041a7a7a3b52d

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
e77024769416c54ed45aa5c6bbefa28c

SHA1
814886c8ee9a7ce082eb2e084f7cb3f6d9871b58

SHA256
561c6277f898fffde0ac3411dd8d3f0d95e9815a4634c10b71e3d76d44cf9485

SHA512
0b838d76d6846f550fd102c664e9b8715ecf9df51bfdf0c4cd8e62943f3bd4411b32e5f1a169299937b99fed3b04fefc974a1d1f93652b229d0041a7a7a3b52d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads