sakula | 0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a

General

Target

0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe
Size

216KB
MD5

6a1cbeabff85b5d2525b3dc8123642e1
SHA1

9fc4c03e743b62a5723760c466837c8534d0bb42
SHA256

0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a
SHA512

36faaaebae482d23ced51f8ee9a1fde146fe6a2a4a60c807b83fd920e8eb374488b3c971a02df2d6a6c0a6931d1ec4597fcc62f9d76b5a80384cf10ec2598a47

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/2644-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3376 MediaCenter.exe

pid	process
3376	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:

0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.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"	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.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 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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.703722"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4352"	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\DownloadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.998280"	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 (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\UploadCount = "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
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\FrDownloadRatePct = "90"	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\CacheSizeBytes = "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\UplinkBps = "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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkBps = "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\MonthlyUploadRestriction = "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\PriorityDownloadCount = "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\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\DownloadMonthlyRateBkCnt = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.631387"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892978666044871"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4140"	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\GroupConnectionCount = "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\UploadMonthlyInternetBytes = "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\SwarmCount = "1"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3492 PING.EXE

pid	process
3492	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe

description	pid	process
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2644	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe
Token: SeBackupPrivilege	372	TiWorker.exe
Token: SeRestorePrivilege	372	TiWorker.exe
Token: SeSecurityPrivilege	372	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.execmd.exe

description	pid	process	target process
PID 2644 wrote to memory of 3376	2644	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe	MediaCenter.exe
PID 2644 wrote to memory of 3376	2644	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe	MediaCenter.exe
PID 2644 wrote to memory of 3376	2644	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe	MediaCenter.exe
PID 2644 wrote to memory of 3068	2644	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe	cmd.exe
PID 2644 wrote to memory of 3068	2644	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe	cmd.exe
PID 2644 wrote to memory of 3068	2644	0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe	cmd.exe
PID 3068 wrote to memory of 3492	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 3492	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 3492	3068	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe
"C:\Users\Admin\AppData\Local\Temp\0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3376

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f8e3ceca5cd074a725ef0cb36faa047ff3eb73f3451ffe78a82f31c9fa0e48a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3068

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3492

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:936

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:2088

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:372

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
1e442ea99f8c6c989324a3ad9bb55044

SHA1
bafc5b7013fd031c75a6b867742c186831512780

SHA256
8904d77d784bebd27b6de23b7ae138df4e812f04f6d51664ef43bc27b5af21a3

SHA512
a7f7f60f40ef8831aeaa26717a889fe03f51d30fc9fc6bceb2811c52d494c8e49affa1292a8585fa6e49124eab07fab4c3712f4fb243e96c051c8472ed81a9c6

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

MD5
1e442ea99f8c6c989324a3ad9bb55044

SHA1
bafc5b7013fd031c75a6b867742c186831512780

SHA256
8904d77d784bebd27b6de23b7ae138df4e812f04f6d51664ef43bc27b5af21a3

SHA512
a7f7f60f40ef8831aeaa26717a889fe03f51d30fc9fc6bceb2811c52d494c8e49affa1292a8585fa6e49124eab07fab4c3712f4fb243e96c051c8472ed81a9c6

Download Submit
memory/2644-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads