sakula | 18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe

General

Target

18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe
Size

150KB
MD5

3f02843d5302297a81e82f21531adfa3
SHA1

cba7a75c3a2e5b5454201c1b308ba3217ec2a5a5
SHA256

18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe
SHA512

4c857775bdd58aee6352a842cfdfed34f8a3d20f6ba3354f261e75e8e9a5e9db5d7c5a7d046c21476032169f8a1fa95fa5a871468cf9cc363e2c993a0ef765d6

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

2064 MediaCenter.exe

pid	process
2064	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:

18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.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"	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.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
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\DownloadMonthlyRateBkBps = "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\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\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.103306"	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\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\UplinkBps = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.087790"	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
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\DownloadMonthlyLanBytes = "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\CDNConnectionCount = "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 = "6.252916"	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\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\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\PeerInfoCount = "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\FrDownloadRatePct = "90"	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\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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4220"	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\DownloadMonthlyInternetBytes = "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\GroupConnectionCount = "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\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1036 PING.EXE

pid	process
1036	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3992	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.execmd.exe

description	pid	process	target process
PID 3992 wrote to memory of 2064	3992	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe	MediaCenter.exe
PID 3992 wrote to memory of 2064	3992	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe	MediaCenter.exe
PID 3992 wrote to memory of 2064	3992	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe	MediaCenter.exe
PID 3992 wrote to memory of 532	3992	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe	cmd.exe
PID 3992 wrote to memory of 532	3992	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe	cmd.exe
PID 3992 wrote to memory of 532	3992	18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe	cmd.exe
PID 532 wrote to memory of 1036	532	cmd.exe	PING.EXE
PID 532 wrote to memory of 1036	532	cmd.exe	PING.EXE
PID 532 wrote to memory of 1036	532	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe
"C:\Users\Admin\AppData\Local\Temp\18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2064

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18f0f4131565c32de2b78697a979bae422e47da5f756b013fa2ac0e12c4ae6fe.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:532

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1036

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2504

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:1996

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:3364

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
b1d7bdcce01f8f235cdb075e40e9d9ae

SHA1
99dbd128623570c1ef1131cb7e2d704a6a853dc2

SHA256
e18007737d921a54569a300e57fc208ba1bfb8e9d8c64f4805e8e7487df0043c

SHA512
c4f0917f1ecaca93d3b3fa58efe32b30eae85ffd458d48c4b9e566cb51462a36239358c5d0fdfaf5061547fe19e9d6bf766bd799406a14383b9e746e2d5cfcda

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

MD5
b1d7bdcce01f8f235cdb075e40e9d9ae

SHA1
99dbd128623570c1ef1131cb7e2d704a6a853dc2

SHA256
e18007737d921a54569a300e57fc208ba1bfb8e9d8c64f4805e8e7487df0043c

SHA512
c4f0917f1ecaca93d3b3fa58efe32b30eae85ffd458d48c4b9e566cb51462a36239358c5d0fdfaf5061547fe19e9d6bf766bd799406a14383b9e746e2d5cfcda

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads