sakula | 138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1

General

Target

138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe
Size

58KB
MD5

e526b4a5696b880d5c9a5bfd775f67b1
SHA1

ab80e41070cdc08f3f8b99d612ee7d031489c268
SHA256

138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1
SHA512

c6768a64e62dee131eced840cffdfce8902b296c49a7045cef6053f2865ea308579490c11b3ff72ce767001ae2f25b9640c0b855e72502aa20ce386d5919ba40

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

1728 MediaCenter.exe

pid	process
1728	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:

138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.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"	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 19 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyCacheHostBytes = "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\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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkCnt = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3324 PING.EXE

pid	process
3324	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3580	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.execmd.exe

description	pid	process	target process
PID 3580 wrote to memory of 1728	3580	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe	MediaCenter.exe
PID 3580 wrote to memory of 1728	3580	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe	MediaCenter.exe
PID 3580 wrote to memory of 1728	3580	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe	MediaCenter.exe
PID 3580 wrote to memory of 3504	3580	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe	cmd.exe
PID 3580 wrote to memory of 3504	3580	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe	cmd.exe
PID 3580 wrote to memory of 3504	3580	138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe	cmd.exe
PID 3504 wrote to memory of 3324	3504	cmd.exe	PING.EXE
PID 3504 wrote to memory of 3324	3504	cmd.exe	PING.EXE
PID 3504 wrote to memory of 3324	3504	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe
"C:\Users\Admin\AppData\Local\Temp\138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\138ff4ddf94976972a8780fa9110a3f15a06b44e33d058bee49a43a9e9728fa1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3504

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3324

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4088

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3300

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:540

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
b52b843d040eb4b1fa2ac28e36bf7acd

SHA1
51ee32af92ffec02d2b03d740bd0ba5bd8f80570

SHA256
47fe703ce96a0fa79e5229f1d5cf5fbe873bb268c37a00abf46432d142fd5f8a

SHA512
eaae4fe2e06f8e22f0549dc8dfbf81a22b737991142a65c424f3c4de050ddd286990087ca2278890afe9866f4de9137de95e96ca84fa7116027e07654895effc

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

MD5
b52b843d040eb4b1fa2ac28e36bf7acd

SHA1
51ee32af92ffec02d2b03d740bd0ba5bd8f80570

SHA256
47fe703ce96a0fa79e5229f1d5cf5fbe873bb268c37a00abf46432d142fd5f8a

SHA512
eaae4fe2e06f8e22f0549dc8dfbf81a22b737991142a65c424f3c4de050ddd286990087ca2278890afe9866f4de9137de95e96ca84fa7116027e07654895effc

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads