sakula | 103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202

General

Target

103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe
Size

60KB
MD5

739fb34b4198aecdeeb8e2fe08c5bd02
SHA1

a9a83c219366c14ac229c5ada7c01c3979887612
SHA256

103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202
SHA512

1b8db8180de6eda182938f242b4ddc087be89d64a5c8a6c405e054b02aa89b18ef6d35c26d8b21489927cb60e3d43395e196a35451536d57a7c99e7965c0897d

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

1972 MediaCenter.exe

pid	process
1972	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:

103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.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"	103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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
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\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\UploadCount = "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\MonthID = "2"	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\Usage\CacheSizeBytes = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\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\PriorityDownloadCount = "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\MonthlyUploadRestriction = "0"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.496841"	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\LinkLocalConnectionCount = "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\DownlinkUsageBps = "0"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.220041"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	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\DownloadMonthlyRateBkCnt = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	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\DownloadMonthlyInternetBytes = "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\SwarmCount = "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\PeerInfoCount = "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\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

904 PING.EXE

pid	process
904	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe
Token: SeRestorePrivilege	3388	TiWorker.exe
Token: SeSecurityPrivilege	3388	TiWorker.exe
Token: SeBackupPrivilege	3388	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.execmd.exe

description	pid	process	target process
PID 1192 wrote to memory of 1972	1192	103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe	MediaCenter.exe
PID 1192 wrote to memory of 1972	1192	103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe	MediaCenter.exe
PID 1192 wrote to memory of 1972	1192	103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe	MediaCenter.exe
PID 1192 wrote to memory of 3512	1192	103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe	cmd.exe
PID 1192 wrote to memory of 3512	1192	103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe	cmd.exe
PID 1192 wrote to memory of 3512	1192	103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe	cmd.exe
PID 3512 wrote to memory of 904	3512	cmd.exe	PING.EXE
PID 3512 wrote to memory of 904	3512	cmd.exe	PING.EXE
PID 3512 wrote to memory of 904	3512	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe
"C:\Users\Admin\AppData\Local\Temp\103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1192

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\103669852071c157f5d4bac841cf13b3e7436124da68320cfbc05d4b98fba202.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3512

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:904

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1324

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2648

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:3388

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
09d5040cf6d2af36cd8ac9fe40282331

SHA1
74f8b0a221a5188e4155431b70ac5c7daa77984a

SHA256
48d0bc6324afdfbcfa01eb7210b40bd73fa58f0ad23cafdb1774cdc702c3d0f7

SHA512
b57108272e6c99f7d40076b5fb4875ae0a94727cc544780ac154f076049fd63ceb9d9ac5c35a830281fcbe4ec0e2d530fd02ba7f0cb97cabe9189f36b30b67fe

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

MD5
09d5040cf6d2af36cd8ac9fe40282331

SHA1
74f8b0a221a5188e4155431b70ac5c7daa77984a

SHA256
48d0bc6324afdfbcfa01eb7210b40bd73fa58f0ad23cafdb1774cdc702c3d0f7

SHA512
b57108272e6c99f7d40076b5fb4875ae0a94727cc544780ac154f076049fd63ceb9d9ac5c35a830281fcbe4ec0e2d530fd02ba7f0cb97cabe9189f36b30b67fe

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads