sakula | 0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec

General

Target

0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe
Size

92KB
MD5

538d444d46aad661b32fee6ef80605d8
SHA1

0ee7098f4cdd69f5f7877404016d2f74fd13603c
SHA256

0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec
SHA512

fd9e85a8eb185ae6c3a93f27b4e8df389ba1dbb207a9ae834cbf64a79b55e79b71ae70b9fa10115134824c03fa2b13d3a5b1da3cc90a1abc6be2394bb24360f9

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

1260 MediaCenter.exe

pid	process
1260	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:

0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.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"	0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320"	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\MonthID = "2"	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\UplinkUsageBps = "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\UploadCount = "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\DODownloadMode = "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\LANConnectionCount = "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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "0"	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\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\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\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\UploadRatePct = "100"	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 = "3.571405"	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\DownloadMonthlyRateBkCnt = "0"	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\Usage\CPUpct = "16.671183"	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\FrDownloadRatePct = "90"	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\UploadMonthlyLanBytes = "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\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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893039773347798"	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\MemoryUsageKB = "4336"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3952"	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 = "5.555980"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\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\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3172 PING.EXE

pid	process
3172	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe
Token: SeRestorePrivilege	1692	TiWorker.exe
Token: SeSecurityPrivilege	1692	TiWorker.exe
Token: SeBackupPrivilege	1692	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.execmd.exe

description	pid	process	target process
PID 2644 wrote to memory of 1260	2644	0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe	MediaCenter.exe
PID 2644 wrote to memory of 1260	2644	0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe	MediaCenter.exe
PID 2644 wrote to memory of 1260	2644	0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe	MediaCenter.exe
PID 2644 wrote to memory of 4052	2644	0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe	cmd.exe
PID 2644 wrote to memory of 4052	2644	0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe	cmd.exe
PID 2644 wrote to memory of 4052	2644	0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe	cmd.exe
PID 4052 wrote to memory of 3172	4052	cmd.exe	PING.EXE
PID 4052 wrote to memory of 3172	4052	cmd.exe	PING.EXE
PID 4052 wrote to memory of 3172	4052	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe
"C:\Users\Admin\AppData\Local\Temp\0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- 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:1260

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b5f3311fde9f8861de06a5f5f257faf39376959a3bc27ba34a2898ae74077ec.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4052

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3172

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1892

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:1888

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:1692

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
8c16ce976650744e5a6d1660339128e1

SHA1
79c61837ec1e444971f97ae54b9eb7ee9e6a732e

SHA256
b469e715cffc61593c1698ede38dc52fcf244b3efd9423b75e5bf2142de9a545

SHA512
d136b0a54dc242be4f1fcfdf4de1155eeaf2a783359a6d04ab8dbd560e6195f76b05380a5c198a7b7f7f189cb0c700abd77751000a77c50dc1bf9c0a70f2e20a

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

MD5
8c16ce976650744e5a6d1660339128e1

SHA1
79c61837ec1e444971f97ae54b9eb7ee9e6a732e

SHA256
b469e715cffc61593c1698ede38dc52fcf244b3efd9423b75e5bf2142de9a545

SHA512
d136b0a54dc242be4f1fcfdf4de1155eeaf2a783359a6d04ab8dbd560e6195f76b05380a5c198a7b7f7f189cb0c700abd77751000a77c50dc1bf9c0a70f2e20a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads