sakula | 03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54

General

Target

03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe
Size

35KB
MD5

57bab160f2dca8eb1854d5570719c203
SHA1

90006cbc16b5a4594e087ebafb22ba4a06c7b4cd
SHA256

03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54
SHA512

4df980304acec35849e0d477c51cc518d0fd28f2594de04852520cd78c52c13f29784dd59b1ef9cf5304a5a1889b6a88d63df45bffc3b3be725cc7a4ecac2004

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

2600 MediaCenter.exe

pid	process
2600	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:

03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.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"	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.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\Usage\MemoryUsageKB = "4160"	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
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\MonthID = "2"	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\PriorityDownloadCount = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893168302279635"	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\InternetConnectionCount = "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\UploadRatePct = "100"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\GroupConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "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
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 (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\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 (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\FrDownloadRatePct = "90"	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\DownloadMonthlyRateFrBps = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.384652"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.111127"	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\Config	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\DownloadMonthlyInternetBytes = "0"	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\NormalDownloadCount = "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\Usage\MemoryUsageKB = "3972"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3820 PING.EXE

pid	process
3820	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe

description	pid	process
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeIncBasePriorityPrivilege	380	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe
Token: SeBackupPrivilege	3152	TiWorker.exe
Token: SeRestorePrivilege	3152	TiWorker.exe
Token: SeSecurityPrivilege	3152	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.execmd.exe

description	pid	process	target process
PID 380 wrote to memory of 2600	380	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe	MediaCenter.exe
PID 380 wrote to memory of 2600	380	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe	MediaCenter.exe
PID 380 wrote to memory of 2600	380	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe	MediaCenter.exe
PID 380 wrote to memory of 2260	380	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe	cmd.exe
PID 380 wrote to memory of 2260	380	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe	cmd.exe
PID 380 wrote to memory of 2260	380	03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe	cmd.exe
PID 2260 wrote to memory of 3820	2260	cmd.exe	PING.EXE
PID 2260 wrote to memory of 3820	2260	cmd.exe	PING.EXE
PID 2260 wrote to memory of 3820	2260	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe
"C:\Users\Admin\AppData\Local\Temp\03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:380

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2600

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03f47021ac144e161a3e776b659b257f5f9d57beab9fc5497e1bb81ec4cadf54.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2260

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3820

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2708

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:3396

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:3152

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
cf765ce3d0b7e320703183011c07f3e7

SHA1
654396abfce40116515b6d4d80ee72642d8650e1

SHA256
27bc970901c2ae57bdbda2c576dcdc6dd76bfbfd585064c29b4a9422a849956e

SHA512
59a112d15ce8b151fa3c922070a875593d62889e44322d7d895b046c22256a3c6135da9c609b541d893ce4aa8ba60a5d690788f7470789474fde53b4c893b53f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
cf765ce3d0b7e320703183011c07f3e7

SHA1
654396abfce40116515b6d4d80ee72642d8650e1

SHA256
27bc970901c2ae57bdbda2c576dcdc6dd76bfbfd585064c29b4a9422a849956e

SHA512
59a112d15ce8b151fa3c922070a875593d62889e44322d7d895b046c22256a3c6135da9c609b541d893ce4aa8ba60a5d690788f7470789474fde53b4c893b53f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads