sakula | 12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400

General

Target

12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe
Size

192KB
MD5

8172b21f9e2cf133b3f148aa7baaad05
SHA1

885d84285476ea895917034295a169e40f8057c5
SHA256

12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400
SHA512

d045036ac72cbfb1914e2378febccc3d6c892ad7706ea3d56d70773ad9388cf5646a2b9a77006a0b04c2022b46399f0c0c4de1c159eedcb527b3c571446f00fa

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

1884 MediaCenter.exe

pid	process
1884	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:

12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.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"	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

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

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892934540053556"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\UplinkUsageBps = "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\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\UplinkBps = "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\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\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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.326833"	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\MemoryUsageKB = "4240"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.428563"	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	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\DownloadMonthlyRateBkBps = "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\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\UploadCount = "0"	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\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\MemoryUsageKB = "4136"	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\SwarmCount = "1"	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\LANConnectionCount = "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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadCount = "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\Config\DODownloadMode = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1988 PING.EXE

pid	process
1988	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3392	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe
Token: SeBackupPrivilege	1128	TiWorker.exe
Token: SeRestorePrivilege	1128	TiWorker.exe
Token: SeSecurityPrivilege	1128	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.execmd.exe

description	pid	process	target process
PID 3392 wrote to memory of 1884	3392	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe	MediaCenter.exe
PID 3392 wrote to memory of 1884	3392	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe	MediaCenter.exe
PID 3392 wrote to memory of 1884	3392	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe	MediaCenter.exe
PID 3392 wrote to memory of 1032	3392	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe	cmd.exe
PID 3392 wrote to memory of 1032	3392	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe	cmd.exe
PID 3392 wrote to memory of 1032	3392	12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe	cmd.exe
PID 1032 wrote to memory of 1988	1032	cmd.exe	PING.EXE
PID 1032 wrote to memory of 1988	1032	cmd.exe	PING.EXE
PID 1032 wrote to memory of 1988	1032	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe
"C:\Users\Admin\AppData\Local\Temp\12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3392

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1884

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12f1a9463d80515ce41efe561b5b7042ec9fe518a8228c2886d1f5d20ad43400.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1988

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2980

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:1768

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:1128

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
40b83bbae341f3eb32b994940a2e5a61

SHA1
8f18adeff2a9282199a874c45b940d7e1892f617

SHA256
640338f1ec2e67fd31ad54c4e8f6c42c348ad73ad3b7ce860dd5eee57a627953

SHA512
99c33070bacedfa0a0393d88a1c3532cd19cea76bd188f6f76b64772a7915a6bf97879caae054f98e3b410cfdba1e69efc718e059998c57bae9644e57fc4930c

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

MD5
40b83bbae341f3eb32b994940a2e5a61

SHA1
8f18adeff2a9282199a874c45b940d7e1892f617

SHA256
640338f1ec2e67fd31ad54c4e8f6c42c348ad73ad3b7ce860dd5eee57a627953

SHA512
99c33070bacedfa0a0393d88a1c3532cd19cea76bd188f6f76b64772a7915a6bf97879caae054f98e3b410cfdba1e69efc718e059998c57bae9644e57fc4930c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads