sakula | 193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21

General

Target

193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe
Size

35KB
MD5

549f5ca9b045d2553abb96a0d00a802f
SHA1

85c7f4d663bd0cacadf7970ea67547084db7edfc
SHA256

193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21
SHA512

ea12e296c68e42b6d640dd8fc7070afa3619619b0a7a6c72ee8c59491e3ebe94335d90c5e8e70d8b139cfdecda20a310babefb376d7e6b079583d8fd509a3092

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

2504 MediaCenter.exe

pid	process
2504	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:

193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.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"	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\SwarmCount = "1"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143406"	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\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\Usage\DownloadMonthlyRateBkBps = "0"	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 = "0.598794"	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\Settings	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\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\MonthlyUploadRestriction = "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 = "2.252318"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4040"	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\DownloadMonthlyRateFrBps = "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\PriorityDownloadCount = "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 (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\BkDownloadRatePct = "45"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892844061376956"	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
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\UploadMonthlyInternetBytes = "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\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\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\NormalDownloadCount = "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\PeerInfoCount = "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\MemoryUsageKB = "4276"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2500 PING.EXE

pid	process
2500	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1112	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.execmd.exe

description	pid	process	target process
PID 1112 wrote to memory of 2504	1112	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe	MediaCenter.exe
PID 1112 wrote to memory of 2504	1112	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe	MediaCenter.exe
PID 1112 wrote to memory of 2504	1112	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe	MediaCenter.exe
PID 1112 wrote to memory of 3892	1112	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe	cmd.exe
PID 1112 wrote to memory of 3892	1112	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe	cmd.exe
PID 1112 wrote to memory of 3892	1112	193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe	cmd.exe
PID 3892 wrote to memory of 2500	3892	cmd.exe	PING.EXE
PID 3892 wrote to memory of 2500	3892	cmd.exe	PING.EXE
PID 3892 wrote to memory of 2500	3892	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe
"C:\Users\Admin\AppData\Local\Temp\193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2504

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\193a7c7bf0f7e391a475cb8c140bef03277bf27a42fdfb360d235abfc2134a21.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2500

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2104

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:3420

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:4000

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
13644dc62601bc9b578944dc971700c5

SHA1
bffdfe90e6e0caa26a0e1dad9932276c7b2411d0

SHA256
7c8e01e367dd3c93ef564f8096da3ab730b18ce8675c22d406556364eb0bba7c

SHA512
9015a13eb29b540bd4911864fcc67bb6acf7861a4a024ca854ab2470f5a4d00840fea56804e045521fa423069b1e6159b939925e92ca174bdf9ba77bdb09eb96

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

MD5
13644dc62601bc9b578944dc971700c5

SHA1
bffdfe90e6e0caa26a0e1dad9932276c7b2411d0

SHA256
7c8e01e367dd3c93ef564f8096da3ab730b18ce8675c22d406556364eb0bba7c

SHA512
9015a13eb29b540bd4911864fcc67bb6acf7861a4a024ca854ab2470f5a4d00840fea56804e045521fa423069b1e6159b939925e92ca174bdf9ba77bdb09eb96

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads