sakula | 0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd

General

Target

0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe
Size

192KB
MD5

f8a5de64f90046e73eeaf68b1bbf9bd2
SHA1

40ba2708e5589145b29af0fd95cb5ef0c25522d3
SHA256

0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd
SHA512

1efbb628a9bf8c1f1a4facb29d0a8d87bc2225edfef2f94b521f33ef12860a7ca6b73d751792729d17841d6c8c6066392303b45eb5cf26f33a1af52612e3b500

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

2140 MediaCenter.exe

pid	process
2140	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:

0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.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"	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.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\Config\DODownloadMode = "1"	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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadPendingCount = "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\CDNConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.102271"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMonthlyCdnBytes = "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\LinkLocalConnectionCount = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	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\UploadMonthlyLanBytes = "0"	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\Config\KVFileExpirationTime = "132892994198417484"	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\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 (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 = "4208"	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\DownloadMonthlyLanBytes = "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\InternetConnectionCount = "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\DownloadMonthlyCacheHostBytes = "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\MemoryUsageKB = "4104"	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\Usage\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.296669"	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 = "4216"	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\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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2636 PING.EXE

pid	process
2636	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2156	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe
Token: SeBackupPrivilege	2284	TiWorker.exe
Token: SeRestorePrivilege	2284	TiWorker.exe
Token: SeSecurityPrivilege	2284	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.execmd.exe

description	pid	process	target process
PID 2156 wrote to memory of 2140	2156	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe	MediaCenter.exe
PID 2156 wrote to memory of 2140	2156	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe	MediaCenter.exe
PID 2156 wrote to memory of 2140	2156	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe	MediaCenter.exe
PID 2156 wrote to memory of 628	2156	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe	cmd.exe
PID 2156 wrote to memory of 628	2156	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe	cmd.exe
PID 2156 wrote to memory of 628	2156	0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe	cmd.exe
PID 628 wrote to memory of 2636	628	cmd.exe	PING.EXE
PID 628 wrote to memory of 2636	628	cmd.exe	PING.EXE
PID 628 wrote to memory of 2636	628	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe
"C:\Users\Admin\AppData\Local\Temp\0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2140

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ec94ad92ba4e712c73cc638f721502b7f53b1a12a150c9f2a18ba69c6be66cd.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2636

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4080

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:1860

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:2284

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
4f053efdfc20efe4c0790afd3cbf7a5c

SHA1
43abc83e425a6c31b095e594043b8f4bd73ec7ce

SHA256
d01f47d820540731e0103ca55c51131556837eda0ed6b0dc0268e6dc4ecddb32

SHA512
e9a18988f9a06d47f8b8a839a1a0b13f73a7e7cda54f2b9bc44cde044bff3a762f21e85e1d183526afe832749caa914a8abb06fb6bfa00dc239f5d69d9c13e00

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

MD5
4f053efdfc20efe4c0790afd3cbf7a5c

SHA1
43abc83e425a6c31b095e594043b8f4bd73ec7ce

SHA256
d01f47d820540731e0103ca55c51131556837eda0ed6b0dc0268e6dc4ecddb32

SHA512
e9a18988f9a06d47f8b8a839a1a0b13f73a7e7cda54f2b9bc44cde044bff3a762f21e85e1d183526afe832749caa914a8abb06fb6bfa00dc239f5d69d9c13e00

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads