sakula | 1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e

General

Target

1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe
Size

92KB
MD5

2ec9a649a96f78e6e86bb93622850afa
SHA1

4cb8fa59ff016aa1f1b002e51091c3559e690e48
SHA256

1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e
SHA512

ef6d33a3c910d7e71f2ca53f53252cb97842378720efb58ef81b2ae21340c528aef0576e5732709bcd6696398f5bc2665b62757f79987b25875e6124d9a4dcc2

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

3696 MediaCenter.exe

pid	process
3696	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:

1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.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"	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.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\SwarmCount = "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\UplinkBps = "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\MemoryUsageKB = "4112"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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\DownloadMonthlyInternetBytes = "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\PriorityDownloadCount = "0"	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\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100"	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\CacheSizeBytes = "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\PriorityDownloadPendingCount = "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\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\SwarmCount = "1"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	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\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.557322"	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\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 = "0.136519"	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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2504 PING.EXE

pid	process
2504	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe

description	pid	process
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1776	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.execmd.exe

description	pid	process	target process
PID 1776 wrote to memory of 3696	1776	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe	MediaCenter.exe
PID 1776 wrote to memory of 3696	1776	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe	MediaCenter.exe
PID 1776 wrote to memory of 3696	1776	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe	MediaCenter.exe
PID 1776 wrote to memory of 3536	1776	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe	cmd.exe
PID 1776 wrote to memory of 3536	1776	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe	cmd.exe
PID 1776 wrote to memory of 3536	1776	1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe	cmd.exe
PID 3536 wrote to memory of 2504	3536	cmd.exe	PING.EXE
PID 3536 wrote to memory of 2504	3536	cmd.exe	PING.EXE
PID 3536 wrote to memory of 2504	3536	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe
"C:\Users\Admin\AppData\Local\Temp\1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3696

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1038f53253f5e53e5a792fe0645de955c40f2b7da0b403c627aaa6cb54825e8e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2504

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:544

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3296

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:224

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
5c3867f2d870a9f65e0c966bffdac4f0

SHA1
7435c08c222b5fc40525909e70a62fba9d7a1f55

SHA256
c60c085fa924695c44a918951cc097970f115c0b3bb645cbdecae5af2ad5eebc

SHA512
0f25f397224879ee193b3133b23775f8a745c59a6291f5955e2ea46d83e2a4962898d8d44b7b91bb96e134030efc9ce51b7fa9b4095cf0eb1fbf442373b5de21

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

MD5
5c3867f2d870a9f65e0c966bffdac4f0

SHA1
7435c08c222b5fc40525909e70a62fba9d7a1f55

SHA256
c60c085fa924695c44a918951cc097970f115c0b3bb645cbdecae5af2ad5eebc

SHA512
0f25f397224879ee193b3133b23775f8a745c59a6291f5955e2ea46d83e2a4962898d8d44b7b91bb96e134030efc9ce51b7fa9b4095cf0eb1fbf442373b5de21

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads