sakula | 0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e

General

Target

0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe
Size

79KB
MD5

09ea60372a476449e644695a97539c82
SHA1

9335caf95c9eb5f40ffbcb56dcc2cd90740200d1
SHA256

0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e
SHA512

c723c5c8c6c1af3f7c2ecae5b644be0920f1925477c3912bb146f65e990aa528a8cae0cd6e45d350d670c03e060696cb06a435ab6791744e789fcd4ae4381377

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

2852 MediaCenter.exe

pid	process
2852	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:

0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.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"	0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\MonthID = "2"	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\UploadCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	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 = "0.006556"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144"	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\DownloadMonthlyLanBytes = "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\FrDownloadRatePct = "90"	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 (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\Config\DODownloadMode = "1"	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\CacheSizeBytes = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.090756"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893073888152600"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.765215"	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\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\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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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\SwarmCount = "1"	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\MemoryUsageKB = "4324"	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 (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\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2164 PING.EXE

pid	process
2164	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.execmd.exe

description	pid	process	target process
PID 2212 wrote to memory of 2852	2212	0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe	MediaCenter.exe
PID 2212 wrote to memory of 2852	2212	0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe	MediaCenter.exe
PID 2212 wrote to memory of 2852	2212	0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe	MediaCenter.exe
PID 2212 wrote to memory of 636	2212	0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe	cmd.exe
PID 2212 wrote to memory of 636	2212	0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe	cmd.exe
PID 2212 wrote to memory of 636	2212	0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe	cmd.exe
PID 636 wrote to memory of 2164	636	cmd.exe	PING.EXE
PID 636 wrote to memory of 2164	636	cmd.exe	PING.EXE
PID 636 wrote to memory of 2164	636	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe
"C:\Users\Admin\AppData\Local\Temp\0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2212

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2852

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a8deb296f8cc33a5ec2a2044370517d3d0871d99c55798e511c43d78426797e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2164

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3420

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:1924

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:3508

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
c29a1f5213788a7c1331eb4cfe1e88f2

SHA1
e3b0d97de2b289f43b50538b84d3a19912849935

SHA256
aa47837e4181ca4c4fafa7123917ee99e6b7c1361df002914447e9e24cbde1b5

SHA512
4c627d7a6ac72eb57b41898851ca987bee6ce256c7ae96882011799e7e5e2f5a1662cabc101f2f8426081763163ad4906da1cd3ad4f8beb219c29923e1cecbe2

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c29a1f5213788a7c1331eb4cfe1e88f2

SHA1
e3b0d97de2b289f43b50538b84d3a19912849935

SHA256
aa47837e4181ca4c4fafa7123917ee99e6b7c1361df002914447e9e24cbde1b5

SHA512
4c627d7a6ac72eb57b41898851ca987bee6ce256c7ae96882011799e7e5e2f5a1662cabc101f2f8426081763163ad4906da1cd3ad4f8beb219c29923e1cecbe2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads