sakula | 177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6

General

Target

177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe
Size

60KB
MD5

3086b03eabb93dfa6a07d41760dee729
SHA1

8a216429778cd750f3c775da80fb69fc64b8d5b3
SHA256

177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6
SHA512

1f16200c606f7503fd3e16981c53be675e5574d591606f4db94c0cd1947cee56dbee34d4999c4c3b52c95e03af6b426a13eed3173ba9e1109bccf6e6772fc1a2

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

2520 MediaCenter.exe

pid	process
2520	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:

177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.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"	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892867805176118"	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\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\UploadRatePct = "100"	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\UploadMonthlyLanBytes = "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\MonthID = "2"	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\DownloadMonthlyCacheHostBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	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\Config\DODownloadMode = "1"	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\PriorityDownloadPendingCount = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.691273"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4372"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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 (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\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.684107"	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\DownloadMonthlyLanBytes = "0"	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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4192"	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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.080160"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3728 PING.EXE

pid	process
3728	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2056	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe
Token: SeBackupPrivilege	60	TiWorker.exe
Token: SeRestorePrivilege	60	TiWorker.exe
Token: SeSecurityPrivilege	60	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.execmd.exe

description	pid	process	target process
PID 2056 wrote to memory of 2520	2056	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe	MediaCenter.exe
PID 2056 wrote to memory of 2520	2056	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe	MediaCenter.exe
PID 2056 wrote to memory of 2520	2056	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe	MediaCenter.exe
PID 2056 wrote to memory of 376	2056	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe	cmd.exe
PID 2056 wrote to memory of 376	2056	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe	cmd.exe
PID 2056 wrote to memory of 376	2056	177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe	cmd.exe
PID 376 wrote to memory of 3728	376	cmd.exe	PING.EXE
PID 376 wrote to memory of 3728	376	cmd.exe	PING.EXE
PID 376 wrote to memory of 3728	376	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe
"C:\Users\Admin\AppData\Local\Temp\177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2056

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2520

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\177322589e89ffc0c435bd665cd3b0e131c2e0cbbd45a5d069046e7336ba5df6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:376

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3728

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3628

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:916

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:60

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
8802fc81378d4d8a2482ad5dfa588733

SHA1
2c9af03d4d3637678ba329203dda54afb48696c1

SHA256
844c91708900bbd92aaafda30a34c985de2b2b85c304d586212e0a498e04f951

SHA512
edaf2568c8c1caf5ab04a5a96f440aaaa6543bac1cc39872ce8f848409038799af3eccc2eda031748d0cb17cc123b797d12f909d710601af71a5bd13bff1134b

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

MD5
8802fc81378d4d8a2482ad5dfa588733

SHA1
2c9af03d4d3637678ba329203dda54afb48696c1

SHA256
844c91708900bbd92aaafda30a34c985de2b2b85c304d586212e0a498e04f951

SHA512
edaf2568c8c1caf5ab04a5a96f440aaaa6543bac1cc39872ce8f848409038799af3eccc2eda031748d0cb17cc123b797d12f909d710601af71a5bd13bff1134b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads