sakula | 12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e

General

Target

12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe
Size

216KB
MD5

6fb7a21b01e02aac54608df71b1797ff
SHA1

acf6c41085891c4edbbb370c254cc2091ae28d48
SHA256

12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e
SHA512

2e19d0e1fafb8b9d5f865065e6cc0c27531f75a63663fa5c0015cb6448e880d0c4fe8df607b165b88b30135f5ad72cc02cbcf0c277b3f5d1fcca062323a48e9b

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/3956-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3916 MediaCenter.exe

pid	process
3916	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:

12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.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"	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.324441"	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\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\PriorityDownloadPendingCount = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019881"	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\InternetConnectionCount = "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\UplinkUsageBps = "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\DownloadMonthlyCdnBytes = "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\PeerInfoCount = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	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 (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\UploadMonthlyInternetBytes = "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\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 = "4088"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200"	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\Config\KVFileExpirationTime = "132892937754277968"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.225226"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2112 PING.EXE

pid	process
2112	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe

description	pid	process
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3956	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe
Token: SeBackupPrivilege	224	TiWorker.exe
Token: SeRestorePrivilege	224	TiWorker.exe
Token: SeSecurityPrivilege	224	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.execmd.exe

description	pid	process	target process
PID 3956 wrote to memory of 3916	3956	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe	MediaCenter.exe
PID 3956 wrote to memory of 3916	3956	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe	MediaCenter.exe
PID 3956 wrote to memory of 3916	3956	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe	MediaCenter.exe
PID 3956 wrote to memory of 428	3956	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe	cmd.exe
PID 3956 wrote to memory of 428	3956	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe	cmd.exe
PID 3956 wrote to memory of 428	3956	12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe	cmd.exe
PID 428 wrote to memory of 2112	428	cmd.exe	PING.EXE
PID 428 wrote to memory of 2112	428	cmd.exe	PING.EXE
PID 428 wrote to memory of 2112	428	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe
"C:\Users\Admin\AppData\Local\Temp\12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3956

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3916

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12adc9981020adc90ee0e1a6ff8bd8ae78d1343a682c5ce3b61931a3e354b32e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:428

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2112

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3400

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:204

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:224

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
05eeab654aa77c76c2661c7e446cf782

SHA1
d0606c62ed6e3c7c3c680e5cf8de432d84b77b19

SHA256
1d5f84f268405435fbbb44c46c7f2bc8afe06daeb11df6794a1e04e7b8ceef4a

SHA512
2783fd0a7592442aff706cc03ef999e36603bd26019a6c459f5bc0b26e466a1b7225aedd6f312509d2d110a20fb1c9b338e731d5817b89eb3eb9e2eb3215c7d8

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

MD5
05eeab654aa77c76c2661c7e446cf782

SHA1
d0606c62ed6e3c7c3c680e5cf8de432d84b77b19

SHA256
1d5f84f268405435fbbb44c46c7f2bc8afe06daeb11df6794a1e04e7b8ceef4a

SHA512
2783fd0a7592442aff706cc03ef999e36603bd26019a6c459f5bc0b26e466a1b7225aedd6f312509d2d110a20fb1c9b338e731d5817b89eb3eb9e2eb3215c7d8

Download Submit
memory/3956-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads