sakula | 1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e

General

Target

1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe
Size

60KB
MD5

eddcef197ef6f5fcc85e3bc74ee6f4d4
SHA1

62e510c9002864f47a064636f75891595bf26f3b
SHA256

1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e
SHA512

d399057b0799eca94a75938685286a0678cba603cd5a6d300ae37e123e35bd469056d180598c7bece378ccdd869feedc917f8b508d120e76b05fcf3b43c10499

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

1900 MediaCenter.exe

pid	process
1900	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:

1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.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"	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\DownlinkUsageBps = "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\PriorityDownloadCount = "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\PeerInfoCount = "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\UplinkBps = "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\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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4216"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.001847"	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\MonthlyUploadRestriction = "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\NormalDownloadCount = "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 = "4280"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.116550"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	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\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\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 (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\Settings	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\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 (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\Config\DownloadMode_BackCompat = "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\SwarmCount = "1"	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\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3252 PING.EXE

pid	process
3252	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1420	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe
Token: SeBackupPrivilege	3228	TiWorker.exe
Token: SeRestorePrivilege	3228	TiWorker.exe
Token: SeSecurityPrivilege	3228	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.execmd.exe

description	pid	process	target process
PID 1420 wrote to memory of 1900	1420	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe	MediaCenter.exe
PID 1420 wrote to memory of 1900	1420	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe	MediaCenter.exe
PID 1420 wrote to memory of 1900	1420	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe	MediaCenter.exe
PID 1420 wrote to memory of 3172	1420	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe	cmd.exe
PID 1420 wrote to memory of 3172	1420	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe	cmd.exe
PID 1420 wrote to memory of 3172	1420	1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe	cmd.exe
PID 3172 wrote to memory of 3252	3172	cmd.exe	PING.EXE
PID 3172 wrote to memory of 3252	3172	cmd.exe	PING.EXE
PID 3172 wrote to memory of 3252	3172	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe
"C:\Users\Admin\AppData\Local\Temp\1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1900

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1657216b74a03c359b6348d9c53a9d42a5407056cbf6df8530c11f8e051e575e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3252

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3008

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3564

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:3228

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
c557e6d32dd4a4d6b72cd0632e005866

SHA1
70d6651e19323848f8bd427dcc67e813ea12f4ac

SHA256
6d9ba4d9614d03bef45d98578527554a3dc7a345e6502c61f1739b21b609a09e

SHA512
fcba327697a35d4f8715d053393aaef13c35a4ebcdee43eeba27dc66413e736bf8e2c484bdae5cd94b17863188384ea20188a3ca6e0129ef9b584dd3c5e8b312

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

MD5
c557e6d32dd4a4d6b72cd0632e005866

SHA1
70d6651e19323848f8bd427dcc67e813ea12f4ac

SHA256
6d9ba4d9614d03bef45d98578527554a3dc7a345e6502c61f1739b21b609a09e

SHA512
fcba327697a35d4f8715d053393aaef13c35a4ebcdee43eeba27dc66413e736bf8e2c484bdae5cd94b17863188384ea20188a3ca6e0129ef9b584dd3c5e8b312

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads