sakula | 03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b

General

Target

03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe
Size

35KB
MD5

c21dfb13c69b107269d36398c7caa2fe
SHA1

0e3cf31f6401a88dafbfd66b1fa7824cab56f70a
SHA256

03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b
SHA512

da0e77e6fc4710461789c4b9dcdd3b1021922fa3af1b0f86ee063180e01198aed404b7fb230020494563d9dbb23e9544f95501f0b0cd0ce123bf184b82164b9c

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

832 MediaCenter.exe

pid	process
832	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:

03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.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"	03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.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\CDNConnectionCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3608"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3636"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.015149"	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\SwarmCount = "1"	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\LinkLocalConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.275989"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3388"	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\LANConnectionCount = "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\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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyInternetBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\Usage\UploadMonthlyInternetBytes = "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\SwarmCount = "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\BkDownloadRatePct = "45"	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\MonthlyUploadRestriction = "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\CacheSizeBytes = "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\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2556 PING.EXE

pid	process
2556	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.execmd.exe

description	pid	process	target process
PID 3232 wrote to memory of 832	3232	03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe	MediaCenter.exe
PID 3232 wrote to memory of 832	3232	03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe	MediaCenter.exe
PID 3232 wrote to memory of 832	3232	03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe	MediaCenter.exe
PID 3232 wrote to memory of 1044	3232	03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe	cmd.exe
PID 3232 wrote to memory of 1044	3232	03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe	cmd.exe
PID 3232 wrote to memory of 1044	3232	03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe	cmd.exe
PID 1044 wrote to memory of 2556	1044	cmd.exe	PING.EXE
PID 1044 wrote to memory of 2556	1044	cmd.exe	PING.EXE
PID 1044 wrote to memory of 2556	1044	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe
"C:\Users\Admin\AppData\Local\Temp\03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3232

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:832

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03eded2666f0a7cf404f064886cd2b414cb4d5bca02f420402b59c9711ae2f2b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2556

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1908

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:576

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:3360

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
4dabae73f1843dad537b0c7f85e0d063

SHA1
037646b371b27b295f148d3d0d74dd725db114fa

SHA256
0f79e79d9b271a4f5fae0d3b754821f3859de2450cb52332763257cb39d31348

SHA512
00bbf0c03dda456d45aee06b60ffd18d033ef781f931d976c32069ccf0c0eb557b8481bd8ffc2a6fd193dd67348697f0fcb2ffcf4f130bad5d75f47adde1f1c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
4dabae73f1843dad537b0c7f85e0d063

SHA1
037646b371b27b295f148d3d0d74dd725db114fa

SHA256
0f79e79d9b271a4f5fae0d3b754821f3859de2450cb52332763257cb39d31348

SHA512
00bbf0c03dda456d45aee06b60ffd18d033ef781f931d976c32069ccf0c0eb557b8481bd8ffc2a6fd193dd67348697f0fcb2ffcf4f130bad5d75f47adde1f1c2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads