sakula | 04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e

General

Target

04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe
Size

99KB
MD5

77b168186097517e622a78c75deea445
SHA1

13582f8173797d263ceda12cba5550ec7b226b17
SHA256

04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e
SHA512

21a26e12769de722b60043214966aea0574c5a3765badbadef6f9c8524fe9b431f5cf5b7d5869c08ce89184f5cac6d85dbb53b3baf69a00bc1554bf9a388b18e

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 2 IoCs

Processes:

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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

4048 MediaCenter.exe

pid	process
4048	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:

04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.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"	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893158058076140"	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\MonthlyUploadRestriction = "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\DownloadMonthlyLinkLocalBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.677839"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\DownlinkBps = "0"	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\LANConnectionCount = "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\MemoryUsageKB = "4096"	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\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\DownloadMonthlyCacheHostBytes = "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\MonthID = "2"	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\CacheSizeBytes = "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\UploadCount = "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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.087108"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308"	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\DownloadMonthlyCdnBytes = "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\SwarmCount = "1"	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\Config\DODownloadMode = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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:

04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3876	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.execmd.exe

description	pid	process	target process
PID 3876 wrote to memory of 4048	3876	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe	MediaCenter.exe
PID 3876 wrote to memory of 4048	3876	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe	MediaCenter.exe
PID 3876 wrote to memory of 4048	3876	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe	MediaCenter.exe
PID 3876 wrote to memory of 2844	3876	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe	cmd.exe
PID 3876 wrote to memory of 2844	3876	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe	cmd.exe
PID 3876 wrote to memory of 2844	3876	04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe	cmd.exe
PID 2844 wrote to memory of 3316	2844	cmd.exe	PING.EXE
PID 2844 wrote to memory of 3316	2844	cmd.exe	PING.EXE
PID 2844 wrote to memory of 3316	2844	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe
"C:\Users\Admin\AppData\Local\Temp\04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3876

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4048

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04ea91ad00ad52330833048140d75f6d043c34f08800971ef6bd1e918b01e11e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2844

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:3312

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:4076

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:3176

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
253d3418f256a423be2d8937c8dd8284

SHA1
c7cfa696233be28f3222f01bdb1529c039340245

SHA256
14b37a0d1ed81c8e6bb9b68e6da0edab798a2d62a1d073aad8956af4acab70b7

SHA512
9e498303693de3cdc5178db88545802c82bc9a869077667c925331e41eece2a65b67e78e9a94327dae051421f404c3215d1ffdca608941996141ad32b1950f81

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
253d3418f256a423be2d8937c8dd8284

SHA1
c7cfa696233be28f3222f01bdb1529c039340245

SHA256
14b37a0d1ed81c8e6bb9b68e6da0edab798a2d62a1d073aad8956af4acab70b7

SHA512
9e498303693de3cdc5178db88545802c82bc9a869077667c925331e41eece2a65b67e78e9a94327dae051421f404c3215d1ffdca608941996141ad32b1950f81

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads