sakula | 04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8

General

Target

04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe
Size

60KB
MD5

41b8f2e81bf59120d05ef0508dc84e6a
SHA1

a3cc7abd35d6e013b8170441c367f39cbebaf73d
SHA256

04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8
SHA512

921e726eab61070819948fc115b1247178a294f35a30e17041fcf94c293181bb99f82c749fc61fcd9c2c4bd8dcda84acf7e4b79eec10e31a9998a8e57dbaa94f

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

2592 MediaCenter.exe

pid	process
2592	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:

04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.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"	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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\LinkLocalConnectionCount = "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\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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "4276"	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\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\UplinkUsageBps = "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 = "4.310746"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132893168263491498"	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\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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.476945"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\DownloadMonthlyRateFrBps = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\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\DownlinkBps = "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\MonthlyUploadRestriction = "0"	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\DownloadMonthlyCacheHostBytes = "0"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.134650"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2564 PING.EXE

pid	process
2564	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2560	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.execmd.exe

description	pid	process	target process
PID 2560 wrote to memory of 2592	2560	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe	MediaCenter.exe
PID 2560 wrote to memory of 2592	2560	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe	MediaCenter.exe
PID 2560 wrote to memory of 2592	2560	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe	MediaCenter.exe
PID 2560 wrote to memory of 1828	2560	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe	cmd.exe
PID 2560 wrote to memory of 1828	2560	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe	cmd.exe
PID 2560 wrote to memory of 1828	2560	04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe	cmd.exe
PID 1828 wrote to memory of 2564	1828	cmd.exe	PING.EXE
PID 1828 wrote to memory of 2564	1828	cmd.exe	PING.EXE
PID 1828 wrote to memory of 2564	1828	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe
"C:\Users\Admin\AppData\Local\Temp\04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2592

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04101dfe1ba014c35a6a3f5e2f346f545b1219f4b683ff6d43376289840634f8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2564

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2104

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:1856

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:452

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
abc5980cac17e81ea94351ec061c73dc

SHA1
af52cccfe8d3bc107a5bced6fde1637cec3447d5

SHA256
6bf3f816b4333cc4bef836d13e7c4b33bf952f47f1411bf0ea67d0a0396a8097

SHA512
6a995813ec288a220098cd401fd327677f8b1fedc4f3074d247f40a09e38e2fc2ac41caa3143e2e41a2ec1f4bfe65a344b89806f94f7edbf6e548855b5ed3b04

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
abc5980cac17e81ea94351ec061c73dc

SHA1
af52cccfe8d3bc107a5bced6fde1637cec3447d5

SHA256
6bf3f816b4333cc4bef836d13e7c4b33bf952f47f1411bf0ea67d0a0396a8097

SHA512
6a995813ec288a220098cd401fd327677f8b1fedc4f3074d247f40a09e38e2fc2ac41caa3143e2e41a2ec1f4bfe65a344b89806f94f7edbf6e548855b5ed3b04

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads