sakula | 098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557

General

Target

098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe
Size

191KB
MD5

a5a3b807c886b205b12d70d190bb37a9
SHA1

c191e5ab9df27b9f0049622d3d10cab7efa1f97e
SHA256

098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557
SHA512

6ac50ba34e59c65cf763735a6bace05c4c7c8474496ce30ca2118577fc8726b6d4564ffc53bf5c9faef95355e4bbb8017d0d907c522a39daf936577020804e59

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

212 MediaCenter.exe

pid	process
212	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:

098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.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"	098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964"	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\DownlinkUsageBps = "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\BkDownloadRatePct = "45"	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 (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\NormalDownloadCount = "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\LANConnectionCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrCnt = "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 = "0.176956"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224"	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\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 (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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4200"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.009722"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\UploadRatePct = "100"	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\DownloadMonthlyCacheHostBytes = "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\SwarmCount = "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\MonthlyUploadRestriction = "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	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\DownloadMode_BackCompat = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

6120 PING.EXE

pid	process
6120	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe
Token: SeRestorePrivilege	5448	TiWorker.exe
Token: SeSecurityPrivilege	5448	TiWorker.exe
Token: SeBackupPrivilege	5448	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.execmd.exe

description	pid	process	target process
PID 1864 wrote to memory of 212	1864	098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe	MediaCenter.exe
PID 1864 wrote to memory of 212	1864	098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe	MediaCenter.exe
PID 1864 wrote to memory of 212	1864	098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe	MediaCenter.exe
PID 1864 wrote to memory of 6032	1864	098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe	cmd.exe
PID 1864 wrote to memory of 6032	1864	098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe	cmd.exe
PID 1864 wrote to memory of 6032	1864	098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe	cmd.exe
PID 6032 wrote to memory of 6120	6032	cmd.exe	PING.EXE
PID 6032 wrote to memory of 6120	6032	cmd.exe	PING.EXE
PID 6032 wrote to memory of 6120	6032	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe
"C:\Users\Admin\AppData\Local\Temp\098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1864

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\098141e7c82e48fc69a50e3edff0bcf9ff6e8669cbbbc03ffbe7f16cdd02f557.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:6032

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:6120

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:5740

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:6004

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:5448

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
c8303c4a7910c0484a688ab6882d815b

SHA1
9432c0348cad04575e2ecf5cc3d439968b5941a4

SHA256
b4606bc9459940bb6c8328538f5d3edf1a9d28883a79a7c5614690215474c436

SHA512
0ef4e54836452074eea9ca52ac47958d791323cfe16baa90209f923260d1e32e392761c5431a9c461c7f7235797a327661719f6b159dc247fbe065c56e9f9aaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c8303c4a7910c0484a688ab6882d815b

SHA1
9432c0348cad04575e2ecf5cc3d439968b5941a4

SHA256
b4606bc9459940bb6c8328538f5d3edf1a9d28883a79a7c5614690215474c436

SHA512
0ef4e54836452074eea9ca52ac47958d791323cfe16baa90209f923260d1e32e392761c5431a9c461c7f7235797a327661719f6b159dc247fbe065c56e9f9aaf

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads