sakula | 0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480

General

Target

0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe
Size

168KB
MD5

ef90eb01b75e91e9e84682e225d63622
SHA1

ae32de0ff323f15b0ff2b044ef08c185e3d821ea
SHA256

0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480
SHA512

2cc0a20d61fb55c704f401bf235406b2ad55971529721842dfd6203365caf443ff4509456752eba2b6541fa78cfecae49a292a5262da981ee7d384dcee37d8e1

Score

10^/10

sakula persistence rat suricata trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 4 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/624-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/2848-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2848 MediaCenter.exe

pid	process
2848	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:

0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.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"	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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\DownloadMonthlyRateBkBps = "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\DownlinkUsageBps = "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\PriorityDownloadCount = "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\MemoryUsageKB = "4128"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4244"	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\DownloadMonthlyGroupBytes = "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\PeerInfoCount = "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\DownloadMonthlyLanBytes = "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\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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.139743"	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\UploadMonthlyLanBytes = "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\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\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\UplinkUsageBps = "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\Config\DODownloadMode = "1"	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\UplinkBps = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.065703"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893098235424930"	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\UploadRatePct = "100"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3804 PING.EXE

pid	process
3804	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	624	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.execmd.exe

description	pid	process	target process
PID 624 wrote to memory of 2848	624	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe	MediaCenter.exe
PID 624 wrote to memory of 2848	624	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe	MediaCenter.exe
PID 624 wrote to memory of 2848	624	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe	MediaCenter.exe
PID 624 wrote to memory of 756	624	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe	cmd.exe
PID 624 wrote to memory of 756	624	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe	cmd.exe
PID 624 wrote to memory of 756	624	0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe	cmd.exe
PID 756 wrote to memory of 3804	756	cmd.exe	PING.EXE
PID 756 wrote to memory of 3804	756	cmd.exe	PING.EXE
PID 756 wrote to memory of 3804	756	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe
"C:\Users\Admin\AppData\Local\Temp\0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2848

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0923d4c5278e00f3526acbf85eea45251e0fd11593ba47e45d459c3d57f15480.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3804

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:2152

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:2748

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
35f37a041128d74a15a9bb1b768a1271

SHA1
e724c251a3c014d6d125e5a042fd7645759af8c7

SHA256
82a879b7d01673957b0452d6f6cc8c36b787c880ebee6171ab5520ecc68898e7

SHA512
5c6d051f81ab93cbb71cfa885a341056e3e069a17095d3fe239c64a2a4f16c5fe550ed0878d81aa37919721d12185273627946ef829f76d31f03f3427fae001e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
35f37a041128d74a15a9bb1b768a1271

SHA1
e724c251a3c014d6d125e5a042fd7645759af8c7

SHA256
82a879b7d01673957b0452d6f6cc8c36b787c880ebee6171ab5520ecc68898e7

SHA512
5c6d051f81ab93cbb71cfa885a341056e3e069a17095d3fe239c64a2a4f16c5fe550ed0878d81aa37919721d12185273627946ef829f76d31f03f3427fae001e

Download Submit
memory/624-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2848-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads