sakula | 0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951

General

Target

0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe
Size

58KB
MD5

2bc86c2ddec74fa677ca32e39e9e94b9
SHA1

854922540f9bc57a08ac3bab4d1949de798a3fd9
SHA256

0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951
SHA512

576faace738dc35c19dfc7d550043f2ac61864b7dec9c0e4ed51b477e73db158fc1502b6f84e720c1a5eb1e1d0c6c216e446797462296676b32c864c980581ea

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

544 MediaCenter.exe

pid	process
544	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:

0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.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"	0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\MonthID = "2"	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\UploadRatePct = "100"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.043658"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\CDNConnectionCount = "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\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\MemoryUsageKB = "4160"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3812"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893096832668345"	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\DownloadMonthlyCacheHostBytes = "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\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\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyLanBytes = "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\CacheSizeBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013212"	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\GroupConnectionCount = "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\MonthlyUploadRestriction = "0"	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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "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 = "4112"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1176 PING.EXE

pid	process
1176	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe
Token: SeRestorePrivilege	2408	TiWorker.exe
Token: SeSecurityPrivilege	2408	TiWorker.exe
Token: SeBackupPrivilege	2408	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.execmd.exe

description	pid	process	target process
PID 3740 wrote to memory of 544	3740	0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe	MediaCenter.exe
PID 3740 wrote to memory of 544	3740	0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe	MediaCenter.exe
PID 3740 wrote to memory of 544	3740	0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe	MediaCenter.exe
PID 3740 wrote to memory of 3712	3740	0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe	cmd.exe
PID 3740 wrote to memory of 3712	3740	0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe	cmd.exe
PID 3740 wrote to memory of 3712	3740	0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe	cmd.exe
PID 3712 wrote to memory of 1176	3712	cmd.exe	PING.EXE
PID 3712 wrote to memory of 1176	3712	cmd.exe	PING.EXE
PID 3712 wrote to memory of 1176	3712	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe
"C:\Users\Admin\AppData\Local\Temp\0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3740

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:544

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0928624b7d59e9d491302363bf11c52a59b1769e11d53e4f71ce2d8122ac8951.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3712

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1176

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3672

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:3972

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:2408

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
4c327b97dd02855a3ebe5e2d346730c8

SHA1
d89057bbae226a44246c76028974edeaf3671386

SHA256
0b461965f5940680d037ba9172905b0b8d2a6c30c2100f4f21ec34e50a91b304

SHA512
b02cf9ff1816f4a5d52745b8e243cc96fb2646043092366eaba10f7152981d634103dea9bc3e9d65843336a4b3715c5c017b5c94caa45a3e793a20cafebe8f89

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
4c327b97dd02855a3ebe5e2d346730c8

SHA1
d89057bbae226a44246c76028974edeaf3671386

SHA256
0b461965f5940680d037ba9172905b0b8d2a6c30c2100f4f21ec34e50a91b304

SHA512
b02cf9ff1816f4a5d52745b8e243cc96fb2646043092366eaba10f7152981d634103dea9bc3e9d65843336a4b3715c5c017b5c94caa45a3e793a20cafebe8f89

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads