sakula | 17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe

General

Target

17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe
Size

58KB
MD5

b6efb61967e236df483520419b00eb01
SHA1

40f15fc563d40d0210e249bd1297b37ad1c19db7
SHA256

17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe
SHA512

6ab83e9fc500d87d71b6ecc2dfe1094efc993511c506be6b8992466a6e9e7a3a5660b5143c7c966d44125803955a052b5b064cc04946ce26f694866b6e804ea6

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

1168 MediaCenter.exe

pid	process
1168	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:

17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.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"	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.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\DownloadMonthlyGroupBytes = "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\CacheSizeBytes = "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\PriorityDownloadCount = "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 = "0.000000"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166293"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	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\UplinkUsageBps = "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\LANConnectionCount = "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\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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.175302"	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\DownloadMonthlyRateBkCnt = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrBps = "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	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\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\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\MemoryUsageKB = "4108"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCdnBytes = "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\MonthID = "2"	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
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

2852 PING.EXE

pid	process
2852	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	400	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe
Token: SeBackupPrivilege	3400	TiWorker.exe
Token: SeRestorePrivilege	3400	TiWorker.exe
Token: SeSecurityPrivilege	3400	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.execmd.exe

description	pid	process	target process
PID 400 wrote to memory of 1168	400	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe	MediaCenter.exe
PID 400 wrote to memory of 1168	400	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe	MediaCenter.exe
PID 400 wrote to memory of 1168	400	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe	MediaCenter.exe
PID 400 wrote to memory of 4036	400	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe	cmd.exe
PID 400 wrote to memory of 4036	400	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe	cmd.exe
PID 400 wrote to memory of 4036	400	17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe	cmd.exe
PID 4036 wrote to memory of 2852	4036	cmd.exe	PING.EXE
PID 4036 wrote to memory of 2852	4036	cmd.exe	PING.EXE
PID 4036 wrote to memory of 2852	4036	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe
"C:\Users\Admin\AppData\Local\Temp\17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:400

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1168

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17352faa445e72a2b4d612697b199d00dcc7ad38907198d5429f04ce89003bfe.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4036

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2852

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3160

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3824

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:3400

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
e892e667c5e14bf32f3213ea4c12bac9

SHA1
666ccdba8da2e34e96f9e307c53666d350f492d2

SHA256
eabcb175b0cf4fae83e703b945a284e7bf7aab5245b2a81bbc2f3c86e4214b93

SHA512
9a8ea31bb0f303d8ee8f98dd068fedab267b02e43910b5412770fc60e1ca5c308db55a49341c938808bad300dc6bd6dd157900d99af7b72752942eb3ba6af9a2

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

MD5
e892e667c5e14bf32f3213ea4c12bac9

SHA1
666ccdba8da2e34e96f9e307c53666d350f492d2

SHA256
eabcb175b0cf4fae83e703b945a284e7bf7aab5245b2a81bbc2f3c86e4214b93

SHA512
9a8ea31bb0f303d8ee8f98dd068fedab267b02e43910b5412770fc60e1ca5c308db55a49341c938808bad300dc6bd6dd157900d99af7b72752942eb3ba6af9a2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads