sakula | 134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308

General

Target

134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe
Size

60KB
MD5

ad024c6cba1efe82baa71765071cf2cf
SHA1

afe8a1f7901035371f7c84bce0d9bfb3168a1371
SHA256

134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308
SHA512

df921f6d13b02fa14b8995ab44250e21eab9db0a6e5d8648af162bc1f53f113e4e1c6c48869edf5222e8a9f5d5cc9514a54b839878e65dbbf04b6f79e2132eb6

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

3240 MediaCenter.exe

pid	process
3240	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:

134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.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"	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892929770463124"	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\PriorityDownloadCount = "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\PriorityDownloadPendingCount = "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\Usage\DownloadMonthlyRateBkBps = "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\GroupConnectionCount = "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\FrDownloadRatePct = "90"	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 = "3876"	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\DownlinkBps = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.097529"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.162794"	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\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\DownloadMonthlyLinkLocalBytes = "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\SwarmCount = "1"	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 = "3.000081"	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\DownloadMonthlyGroupBytes = "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\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\PeerInfoCount = "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\MemoryUsageKB = "4088"	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\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\UplinkBps = "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 = "0.008398"	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\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\CDNConnectionCount = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3316 PING.EXE

pid	process
3316	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe

description	pid	process
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1448	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.execmd.exe

description	pid	process	target process
PID 1448 wrote to memory of 3240	1448	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe	MediaCenter.exe
PID 1448 wrote to memory of 3240	1448	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe	MediaCenter.exe
PID 1448 wrote to memory of 3240	1448	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe	MediaCenter.exe
PID 1448 wrote to memory of 1780	1448	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe	cmd.exe
PID 1448 wrote to memory of 1780	1448	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe	cmd.exe
PID 1448 wrote to memory of 1780	1448	134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe	cmd.exe
PID 1780 wrote to memory of 3316	1780	cmd.exe	PING.EXE
PID 1780 wrote to memory of 3316	1780	cmd.exe	PING.EXE
PID 1780 wrote to memory of 3316	1780	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe
"C:\Users\Admin\AppData\Local\Temp\134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3240

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\134dde507285af594b50586636ea90899700823fd00e976fdd9744e1c7a7c308.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3316

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3452

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:1352

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:3984

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
502c663554b8a4f65c584e8ed1eb2c86

SHA1
f5148b54c9c1aa9d5abd56fbff464299c5ae73b5

SHA256
4d2c3cac7e731088a7b6a9a84e7754b8839a875df462587cec8acafd5b1f68e9

SHA512
8163f85ba9252275bd43f7166409cd5c729db81ca4b308b6a831e62bd7da1d4fed3cde2ed775830a6fa530ba89dca5bc700cf508abf1702b63b1a5884ae90cf4

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

MD5
502c663554b8a4f65c584e8ed1eb2c86

SHA1
f5148b54c9c1aa9d5abd56fbff464299c5ae73b5

SHA256
4d2c3cac7e731088a7b6a9a84e7754b8839a875df462587cec8acafd5b1f68e9

SHA512
8163f85ba9252275bd43f7166409cd5c729db81ca4b308b6a831e62bd7da1d4fed3cde2ed775830a6fa530ba89dca5bc700cf508abf1702b63b1a5884ae90cf4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads