sakula | 0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb

General

Target

0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe
Size

60KB
MD5

ed3883d25ab8fe16dbafe4c975cdee32
SHA1

5671ea38fa95a6cdffbf81fa2b3575e6bc2304a0
SHA256

0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb
SHA512

f03cfda2fe3e753bee48e92b0ba26133c83f0202faf89641a3ae9e510fd72ab37510139377acb2fef6a8021b9e724ef8f74e7e480c2e75e6444dc33a96a59cdd

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

3340 MediaCenter.exe

pid	process
3340	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:

0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.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"	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\PeerInfoCount = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\UploadMonthlyInternetBytes = "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\SwarmCount = "0"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	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	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\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.037010"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893003288591877"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	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\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\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 (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\MemoryUsageKB = "4112"	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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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\NormalDownloadPendingCount = "0"	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\UploadMonthlyLanBytes = "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\SwarmCount = "1"	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 = "0.092251"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4352"	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\LANConnectionCount = "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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4248"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

544 PING.EXE

pid	process
544	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2016	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe
Token: SeBackupPrivilege	1616	TiWorker.exe
Token: SeRestorePrivilege	1616	TiWorker.exe
Token: SeSecurityPrivilege	1616	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.execmd.exe

description	pid	process	target process
PID 2016 wrote to memory of 3340	2016	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe	MediaCenter.exe
PID 2016 wrote to memory of 3340	2016	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe	MediaCenter.exe
PID 2016 wrote to memory of 3340	2016	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe	MediaCenter.exe
PID 2016 wrote to memory of 1812	2016	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe	cmd.exe
PID 2016 wrote to memory of 1812	2016	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe	cmd.exe
PID 2016 wrote to memory of 1812	2016	0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe	cmd.exe
PID 1812 wrote to memory of 544	1812	cmd.exe	PING.EXE
PID 1812 wrote to memory of 544	1812	cmd.exe	PING.EXE
PID 1812 wrote to memory of 544	1812	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe
"C:\Users\Admin\AppData\Local\Temp\0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3340

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e193d215e25b4372e2366d96edd8aea0a3a81c836c2f93cc0a5f2b58a5240fb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:544

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3808

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:3844

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:1616

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
fdc8ebeb3b49e951096cc83e77cb2151

SHA1
8bd108e37e5feeabb0f16ad6c0a4f07929bf6b39

SHA256
66784589a6f1d660e89696040f4c78b26b0f47b3ddbdff8da18e4bcf4d1e4f19

SHA512
0ed90cbf0ee3901c6bd2d81a288ebee15ef2d87d0065b386f3c071eb09c2c8fe4d84dbbd0a83eb3af7b7b21fd32373258aec1cdc4294f5997cfad1511013e1c9

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

MD5
fdc8ebeb3b49e951096cc83e77cb2151

SHA1
8bd108e37e5feeabb0f16ad6c0a4f07929bf6b39

SHA256
66784589a6f1d660e89696040f4c78b26b0f47b3ddbdff8da18e4bcf4d1e4f19

SHA512
0ed90cbf0ee3901c6bd2d81a288ebee15ef2d87d0065b386f3c071eb09c2c8fe4d84dbbd0a83eb3af7b7b21fd32373258aec1cdc4294f5997cfad1511013e1c9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads