sakula | 1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c

General

Target

1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe
Size

60KB
MD5

07c5fd67bfcba110f499eba876d5af9b
SHA1

9d485c261a970c17dba978bd900663e6e9713b60
SHA256

1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c
SHA512

77601a6f538931a70c2a15e9b7361cbf388372c8249aeff739a989349f844f950227c3800163f4bb185f4f2f7074d22a5c99d032d7fb9f1013e1c36b469787cf

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

1808 MediaCenter.exe

pid	process
1808	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:

1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.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"	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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\UploadCount = "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\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 (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\BkDownloadRatePct = "45"	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\PriorityDownloadPendingCount = "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\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892929345176318"	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\Config\DownloadMode_BackCompat = "1"	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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.499990"	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\PeerInfoCount = "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\UplinkUsageBps = "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\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\FrDownloadRatePct = "90"	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	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\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\MemoryUsageKB = "4308"	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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.671818"	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\SwarmCount = "1"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3076 PING.EXE

pid	process
3076	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	800	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe
Token: SeBackupPrivilege	1240	TiWorker.exe
Token: SeRestorePrivilege	1240	TiWorker.exe
Token: SeSecurityPrivilege	1240	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.execmd.exe

description	pid	process	target process
PID 800 wrote to memory of 1808	800	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe	MediaCenter.exe
PID 800 wrote to memory of 1808	800	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe	MediaCenter.exe
PID 800 wrote to memory of 1808	800	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe	MediaCenter.exe
PID 800 wrote to memory of 3780	800	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe	cmd.exe
PID 800 wrote to memory of 3780	800	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe	cmd.exe
PID 800 wrote to memory of 3780	800	1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe	cmd.exe
PID 3780 wrote to memory of 3076	3780	cmd.exe	PING.EXE
PID 3780 wrote to memory of 3076	3780	cmd.exe	PING.EXE
PID 3780 wrote to memory of 3076	3780	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe
"C:\Users\Admin\AppData\Local\Temp\1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:800

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1357956bd31846efa2ed56543f9238f6e5828565ebb4c850102325472fb4733c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3780

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3076

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3412

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:3936

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:1240

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
7a7bacc6f2b80d75910d7497dbff73b9

SHA1
18a608870cc40490452d2801427c5d410b1ae36e

SHA256
4c24537ff4a8ae72fed5ffde6bb3adea8f9cbdcb778bc6bad6701dababd28638

SHA512
82d7edfe6d19af2dcaaf9f9237ebddbcbc2ed702b4b62365148a0ad93bcedb534db8eb29d6c16bd69be0119aa88aaf062c0fcb572f7ac93186a78ec24c95aa36

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

MD5
7a7bacc6f2b80d75910d7497dbff73b9

SHA1
18a608870cc40490452d2801427c5d410b1ae36e

SHA256
4c24537ff4a8ae72fed5ffde6bb3adea8f9cbdcb778bc6bad6701dababd28638

SHA512
82d7edfe6d19af2dcaaf9f9237ebddbcbc2ed702b4b62365148a0ad93bcedb534db8eb29d6c16bd69be0119aa88aaf062c0fcb572f7ac93186a78ec24c95aa36

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads