sakula | 15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a

General

Target

15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe
Size

150KB
MD5

94049d9112424c22b0f70d95fdeb864a
SHA1

34a38e322f9888c2c9fc8d6a2d58623c42563baf
SHA256

15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a
SHA512

75ece4b91b89116ae79e15dcbbcb790e183e68587a7f95b791cfef3d49407c86d2aba6d327f7cbc4e14d658b87764970e31d0f4718dcdd8a550da012eba62d52

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

3604 MediaCenter.exe

pid	process
3604	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:

15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.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"	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.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 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "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\MemoryUsageKB = "4120"	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\UploadCount = "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 = "0.112903"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.641070"	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\DownloadMonthlyInternetBytes = "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\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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyCacheHostBytes = "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\DownlinkBps = "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\NormalDownloadPendingCount = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\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\DownloadMonthlyRateBkCnt = "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\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\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3608 PING.EXE

pid	process
3608	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	412	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe
Token: SeBackupPrivilege	2836	TiWorker.exe
Token: SeRestorePrivilege	2836	TiWorker.exe
Token: SeSecurityPrivilege	2836	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.execmd.exe

description	pid	process	target process
PID 412 wrote to memory of 3604	412	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe	MediaCenter.exe
PID 412 wrote to memory of 3604	412	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe	MediaCenter.exe
PID 412 wrote to memory of 3604	412	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe	MediaCenter.exe
PID 412 wrote to memory of 3092	412	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe	cmd.exe
PID 412 wrote to memory of 3092	412	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe	cmd.exe
PID 412 wrote to memory of 3092	412	15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe	cmd.exe
PID 3092 wrote to memory of 3608	3092	cmd.exe	PING.EXE
PID 3092 wrote to memory of 3608	3092	cmd.exe	PING.EXE
PID 3092 wrote to memory of 3608	3092	cmd.exe	PING.EXE

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2116

C:\Users\Admin\AppData\Local\Temp\15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe
"C:\Users\Admin\AppData\Local\Temp\15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:412

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3604

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15791d18785a136b2891e2e6ae4948dcebcb099f45e5915f312ad9b87caa8c6a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3092

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3608

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:1968

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:2836

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
6c296193045731fb21a0b9148c2a5432

SHA1
4d113ca9c7082427c3ae5ac5d7d8f38fda29521e

SHA256
c5b2e85d86921580df5f394d9b6aa3b6471f0a2f0332a07257a9a19d66a7c252

SHA512
a93755e9a43d20041a60d417a3eddfd5dd9e6622db65b42bb8e471e3a6009e378f993afddcb1a6003488c97df01290683e0f13811682478415728e74372eb0d8

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

MD5
6c296193045731fb21a0b9148c2a5432

SHA1
4d113ca9c7082427c3ae5ac5d7d8f38fda29521e

SHA256
c5b2e85d86921580df5f394d9b6aa3b6471f0a2f0332a07257a9a19d66a7c252

SHA512
a93755e9a43d20041a60d417a3eddfd5dd9e6622db65b42bb8e471e3a6009e378f993afddcb1a6003488c97df01290683e0f13811682478415728e74372eb0d8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads