sakula | 065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d

General

Target

065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe
Size

36KB
MD5

a8b36f614d5ad0f929c20101f8314c67
SHA1

af33d34be355a0f19d38b6913c366d5954282770
SHA256

065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d
SHA512

fdfff3b52c87601a4698b0e0486d8129bb819e9c8493fd92378ca161f13961a7accb694530aefe27bab989b71aa6b828848186c871195f6aa1aa74e34a75a326

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

1264 MediaCenter.exe

pid	process
1264	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:

065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.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"	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.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

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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\UploadRatePct = "100"	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\DownloadMonthlyRateBkBps = "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\Usage\DownloadMonthlyInternetBytes = "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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4212"	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\UplinkBps = "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\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\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\LinkLocalConnectionCount = "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\UploadMonthlyLanBytes = "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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.998042"	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\UploadCount = "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\FrDownloadRatePct = "90"	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\DownloadMonthlyRateBkCnt = "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 = "25.012967"	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
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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.116144"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4248"	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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2664 PING.EXE

pid	process
2664	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2884	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe
Token: SeBackupPrivilege	1116	TiWorker.exe
Token: SeRestorePrivilege	1116	TiWorker.exe
Token: SeSecurityPrivilege	1116	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.execmd.exe

description	pid	process	target process
PID 2884 wrote to memory of 1264	2884	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe	MediaCenter.exe
PID 2884 wrote to memory of 1264	2884	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe	MediaCenter.exe
PID 2884 wrote to memory of 1264	2884	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe	MediaCenter.exe
PID 2884 wrote to memory of 364	2884	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe	cmd.exe
PID 2884 wrote to memory of 364	2884	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe	cmd.exe
PID 2884 wrote to memory of 364	2884	065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe	cmd.exe
PID 364 wrote to memory of 2664	364	cmd.exe	PING.EXE
PID 364 wrote to memory of 2664	364	cmd.exe	PING.EXE
PID 364 wrote to memory of 2664	364	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe
"C:\Users\Admin\AppData\Local\Temp\065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1264

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\065fcd4226c336a720a1818aa97b8bd1dcbdb58f4b5ca85b2d32a3b05c32798d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:364

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2664

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1320

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3900

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:1116

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
b4fc2434f077197b292e6343515fba6a

SHA1
3c92f066ebc25faa88eef0871bfdcaddb7b4089d

SHA256
4a8d1cb20fe57a27149a9d2baf17b7a7dea01cb577f4604c5a8c98fe3b83ffed

SHA512
0d697d381c06f1cf7da449f2c74c6d246572c5c34d3c6a2855e9fbf117066ba6fb1867e9c17f5cf79b19f21a8cd64099b1109cf0730d97712b86265f5f8d540a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b4fc2434f077197b292e6343515fba6a

SHA1
3c92f066ebc25faa88eef0871bfdcaddb7b4089d

SHA256
4a8d1cb20fe57a27149a9d2baf17b7a7dea01cb577f4604c5a8c98fe3b83ffed

SHA512
0d697d381c06f1cf7da449f2c74c6d246572c5c34d3c6a2855e9fbf117066ba6fb1867e9c17f5cf79b19f21a8cd64099b1109cf0730d97712b86265f5f8d540a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads