sakula | 0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef

General

Target

0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe
Size

35KB
MD5

2135050deb13719906ea452d69862239
SHA1

c98b1d9ba6e8a7fe2d7370a1db5b260b87a0f80c
SHA256

0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef
SHA512

a15aeec12405361bf657601d45eb496f044426f8391d78e36d33f6a3bb69abc7c102f268a13a10ed4aad07d34b9511aec8ab811ddb2efedaf1d12144b7b10c90

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

3328 MediaCenter.exe

pid	process
3328	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:

0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.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"	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.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\MonthID = "2"	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\DownloadMonthlyGroupBytes = "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\SwarmCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyLanBytes = "0"	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\Usage\DownloadMonthlyRateFrCnt = "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\UploadCount = "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\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\BkDownloadRatePct = "45"	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\FrDownloadRatePct = "90"	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 = "0.518122"	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\LANConnectionCount = "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\UplinkUsageBps = "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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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 = "0.122807"	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\Config	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\DownloadMonthlyRateFrBps = "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\PriorityDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3852 PING.EXE

pid	process
3852	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1660	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe
Token: SeBackupPrivilege	3176	TiWorker.exe
Token: SeRestorePrivilege	3176	TiWorker.exe
Token: SeSecurityPrivilege	3176	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.execmd.exe

description	pid	process	target process
PID 1660 wrote to memory of 3328	1660	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe	MediaCenter.exe
PID 1660 wrote to memory of 3328	1660	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe	MediaCenter.exe
PID 1660 wrote to memory of 3328	1660	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe	MediaCenter.exe
PID 1660 wrote to memory of 1148	1660	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe	cmd.exe
PID 1660 wrote to memory of 1148	1660	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe	cmd.exe
PID 1660 wrote to memory of 1148	1660	0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe	cmd.exe
PID 1148 wrote to memory of 3852	1148	cmd.exe	PING.EXE
PID 1148 wrote to memory of 3852	1148	cmd.exe	PING.EXE
PID 1148 wrote to memory of 3852	1148	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe
"C:\Users\Admin\AppData\Local\Temp\0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3328

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0344888b664c30b0832114555bdfa1c1bd563c256ca6e127a0c11ba70b2b6cef.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1148

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3852

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2552

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2140

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:3176

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
532d1f91d6f66d366e1ba3185a0b8520

SHA1
183b4dba6bf8539bef1750259692455a015e1da3

SHA256
efe2362dfa52b4727a1a193012237224d19728907dfe4cfeaa36937b0d701145

SHA512
7303c39f346c1a4b23cc1e78dffbc49385034f63d6ad34f28a3f0e56767c5786bc325b6efa0bdb9b629e8bc0ed4ef9cc3e7e09f51f333272aa8334bde3031fe0

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
532d1f91d6f66d366e1ba3185a0b8520

SHA1
183b4dba6bf8539bef1750259692455a015e1da3

SHA256
efe2362dfa52b4727a1a193012237224d19728907dfe4cfeaa36937b0d701145

SHA512
7303c39f346c1a4b23cc1e78dffbc49385034f63d6ad34f28a3f0e56767c5786bc325b6efa0bdb9b629e8bc0ed4ef9cc3e7e09f51f333272aa8334bde3031fe0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads