sakula | 03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2

General

Target

03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe
Size

216KB
MD5

59c4591933f09104e7045cdc133664a1
SHA1

7c094cb0c08b6759cf97f74dbfa611ebf3435ec6
SHA256

03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2
SHA512

b27f8146819f92136ed37596b04f0d9e7445d6397e3c742cd91ed21496655e9c5bca2f57aa66fca833641e37b240cb0dcd6da53d6317024f6cb31467901d7db2

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 3 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
behavioral2/memory/3352-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2200 MediaCenter.exe

pid	process
2200	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:

03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.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"	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.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 45 IoCs

Processes:

svchost.exe

description	ioc	process
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\MemoryUsageKB = "4240"	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\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\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\DownloadMonthlyCacheHostBytes = "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\BkDownloadRatePct = "45"	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\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\CacheSizeBytes = "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\UplinkBps = "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\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 (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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.180766"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	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	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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMonthlyLinkLocalBytes = "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\MonthlyUploadRestriction = "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\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2680 PING.EXE

pid	process
2680	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3352	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.execmd.exe

description	pid	process	target process
PID 3352 wrote to memory of 2200	3352	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe	MediaCenter.exe
PID 3352 wrote to memory of 2200	3352	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe	MediaCenter.exe
PID 3352 wrote to memory of 2200	3352	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe	MediaCenter.exe
PID 3352 wrote to memory of 3192	3352	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe	cmd.exe
PID 3352 wrote to memory of 3192	3352	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe	cmd.exe
PID 3352 wrote to memory of 3192	3352	03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe	cmd.exe
PID 3192 wrote to memory of 2680	3192	cmd.exe	PING.EXE
PID 3192 wrote to memory of 2680	3192	cmd.exe	PING.EXE
PID 3192 wrote to memory of 2680	3192	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe
"C:\Users\Admin\AppData\Local\Temp\03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3352

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2200

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03f39cf3684a24629dd1904969b5df59718670652434a3302ed45fa1f24607b2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3192

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2680

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1828

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:4092

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:3264

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
98adc58417b76646f9dce16d75453ee3

SHA1
b2be1c2c9d547c46695a19b295c84388d5c2fc46

SHA256
d8492aae8a90563d0d0322d642b6a68cd0f01e737f45e4fe837c5e70513427b3

SHA512
16f73c4cefa17330fd1ae42ff78a55deb720b87059d0b33f3b0a484329bce564ef165cd50e623c931068ffb5f692a343e5103f2bb600108e934b99b1a2352e8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
98adc58417b76646f9dce16d75453ee3

SHA1
b2be1c2c9d547c46695a19b295c84388d5c2fc46

SHA256
d8492aae8a90563d0d0322d642b6a68cd0f01e737f45e4fe837c5e70513427b3

SHA512
16f73c4cefa17330fd1ae42ff78a55deb720b87059d0b33f3b0a484329bce564ef165cd50e623c931068ffb5f692a343e5103f2bb600108e934b99b1a2352e8a

Download Submit
memory/3352-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads