sakula | 06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618

General

Target

06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe
Size

35KB
MD5

1aa1c5811584f9590e461f67b0cd441f
SHA1

22acba0dd05f249df9e8d36f3ba799dc3fb8991b
SHA256

06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618
SHA512

d3fa5abda191d6d6ed2d01bc95429026957ed1d3d9c475ea9d05fccffd1e08f64b8ab9b8f2cfab2779e4834cecc61e2c784ae70799831ea02c4b5c5e394979f1

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

3900 MediaCenter.exe

pid	process
3900	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:

06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.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"	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\MonthID = "2"	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\GroupConnectionCount = "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\BkDownloadRatePct = "45"	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	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\LANConnectionCount = "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\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\DownlinkUsageBps = "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 = "0.103880"	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\DownloadMonthlyRateFrBps = "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\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\PriorityDownloadPendingCount = "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\Config\KVFileExpirationTime = "132893130552131843"	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\PeerInfoCount = "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\SwarmCount = "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\UploadMonthlyLanBytes = "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\LinkLocalConnectionCount = "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\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\Usage\CPUpct = "3.903539"	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\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\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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "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\Usage	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3404 PING.EXE

pid	process
3404	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	616	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe
Token: SeBackupPrivilege	2272	TiWorker.exe
Token: SeRestorePrivilege	2272	TiWorker.exe
Token: SeSecurityPrivilege	2272	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.execmd.exe

description	pid	process	target process
PID 616 wrote to memory of 3900	616	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe	MediaCenter.exe
PID 616 wrote to memory of 3900	616	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe	MediaCenter.exe
PID 616 wrote to memory of 3900	616	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe	MediaCenter.exe
PID 616 wrote to memory of 900	616	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe	cmd.exe
PID 616 wrote to memory of 900	616	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe	cmd.exe
PID 616 wrote to memory of 900	616	06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe	cmd.exe
PID 900 wrote to memory of 3404	900	cmd.exe	PING.EXE
PID 900 wrote to memory of 3404	900	cmd.exe	PING.EXE
PID 900 wrote to memory of 3404	900	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe
"C:\Users\Admin\AppData\Local\Temp\06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:616

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3900

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06cfcfa7a67c90f2a219e7b02ec3d10ec6ef00944da734a55c757c9520e84618.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3404

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3960

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:2756

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:2272

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
c58bf05a131a7af9c40eb4b68c83d049

SHA1
11bcf65393165c309b6099cf3ce2329325319280

SHA256
a2281efd6c2b21ae64e9301003a19d4bd0ea9d569d09549acc32d1db621bdc19

SHA512
c2145030b112a5b28b41b7adee3441c907d0a8888ce75d07156e8f7f20cab194a5180e38657df448353ae7eda69aee5a0b2ffd6fc227737f275aa12d2c589afe

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c58bf05a131a7af9c40eb4b68c83d049

SHA1
11bcf65393165c309b6099cf3ce2329325319280

SHA256
a2281efd6c2b21ae64e9301003a19d4bd0ea9d569d09549acc32d1db621bdc19

SHA512
c2145030b112a5b28b41b7adee3441c907d0a8888ce75d07156e8f7f20cab194a5180e38657df448353ae7eda69aee5a0b2ffd6fc227737f275aa12d2c589afe

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads