sakula | 08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d

General

Target

08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe
Size

101KB
MD5

5ac603e1a0062b4e9b03248979c9cd30
SHA1

86ac57a134e35bb00082ca1e6d445bee697b6f20
SHA256

08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d
SHA512

5345e6d824ee63c3b5ed5e0f355273daedcc5f3e4acd41da9b635b23401a459fe9d58775b4d857877e559c3b7115b1032175bfce657e05f5633daf969477749b

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

1300 MediaCenter.exe

pid	process
1300	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:

08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.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"	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.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\DownloadMonthlyRateFrBps = "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\MonthlyUploadRestriction = "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\DownloadMonthlyRateFrCnt = "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\PeerInfoCount = "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\LinkLocalConnectionCount = "0"	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 = "3.846204"	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\DownloadMonthlyInternetBytes = "0"	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\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 (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 = "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\SwarmCount = "1"	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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.877699"	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\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\Usage\DownlinkUsageBps = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893103022721713"	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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
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\UploadMonthlyLanBytes = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2656 PING.EXE

pid	process
2656	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe

description	pid	process
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2192	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe
Token: SeBackupPrivilege	2472	TiWorker.exe
Token: SeRestorePrivilege	2472	TiWorker.exe
Token: SeSecurityPrivilege	2472	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.execmd.exe

description	pid	process	target process
PID 2192 wrote to memory of 1300	2192	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe	MediaCenter.exe
PID 2192 wrote to memory of 1300	2192	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe	MediaCenter.exe
PID 2192 wrote to memory of 1300	2192	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe	MediaCenter.exe
PID 2192 wrote to memory of 3056	2192	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe	cmd.exe
PID 2192 wrote to memory of 3056	2192	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe	cmd.exe
PID 2192 wrote to memory of 3056	2192	08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe	cmd.exe
PID 3056 wrote to memory of 2656	3056	cmd.exe	PING.EXE
PID 3056 wrote to memory of 2656	3056	cmd.exe	PING.EXE
PID 3056 wrote to memory of 2656	3056	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe
"C:\Users\Admin\AppData\Local\Temp\08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1300

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08c71352121b43875333e105a84f8548a342a081448aba517bef71f488445c6d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3056

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2656

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3692

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:2732

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:2472

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
bb81fc2eea843fe54ed9c52aa96ad628

SHA1
902efd811602ae0d918a494980da01e68182561b

SHA256
53b9791a78d65d09c2a6d271a0cc6b431a90ede3789a834f28ff47c656cc511a

SHA512
670b2f84d349eb67e202ecd25608cb6eac8580a6af7c0394ca3a8bf59c73087144d1ec90effe0a7365ded38166447e04c11256e73f0fa42a68273ba3204286f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
bb81fc2eea843fe54ed9c52aa96ad628

SHA1
902efd811602ae0d918a494980da01e68182561b

SHA256
53b9791a78d65d09c2a6d271a0cc6b431a90ede3789a834f28ff47c656cc511a

SHA512
670b2f84d349eb67e202ecd25608cb6eac8580a6af7c0394ca3a8bf59c73087144d1ec90effe0a7365ded38166447e04c11256e73f0fa42a68273ba3204286f2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads