sakula | 1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff

General

Target

1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe
Size

92KB
MD5

d4710bcca88b1b2e6e0ce2f5c64fac1f
SHA1

417c47961b09344d12bdd8f68315e2e9026440f8
SHA256

1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff
SHA512

4e6aa163188f9a5c09648c34585f425e1bf4901f4ea0e276ff7b8ce607ba6bdf06d9e258d93cff105f2d9dc4542bee576f8a80e6e9101e5e26fb2983fe6c6466

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 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

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

3624 MediaCenter.exe

pid	process
3624	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:

1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.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"	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.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 (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\DownlinkUsageBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.895747"	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\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "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\MonthlyUploadRestriction = "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 = "4108"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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
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\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 (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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	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\DownlinkBps = "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\UploadMonthlyInternetBytes = "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\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\PeerInfoCount = "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\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\DownloadMonthlyLinkLocalBytes = "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\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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.794548"	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\DownloadMonthlyRateBkBps = "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\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\Config\KVFileExpirationTime = "132892843162960847"	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\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2964 PING.EXE

pid	process
2964	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2296	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe
Token: SeBackupPrivilege	1376	TiWorker.exe
Token: SeRestorePrivilege	1376	TiWorker.exe
Token: SeSecurityPrivilege	1376	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.execmd.exe

description	pid	process	target process
PID 2296 wrote to memory of 3624	2296	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe	MediaCenter.exe
PID 2296 wrote to memory of 3624	2296	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe	MediaCenter.exe
PID 2296 wrote to memory of 3624	2296	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe	MediaCenter.exe
PID 2296 wrote to memory of 2692	2296	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe	cmd.exe
PID 2296 wrote to memory of 2692	2296	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe	cmd.exe
PID 2296 wrote to memory of 2692	2296	1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe	cmd.exe
PID 2692 wrote to memory of 2964	2692	cmd.exe	PING.EXE
PID 2692 wrote to memory of 2964	2692	cmd.exe	PING.EXE
PID 2692 wrote to memory of 2964	2692	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe
"C:\Users\Admin\AppData\Local\Temp\1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3624

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1959e75557754175dda83c4d92c83b34a4df625872b4697a364e3d3192c097ff.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2692

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2964

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1536

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:452

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:1376

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
755d2cbef32d1cf1ace02ff612f85be7

SHA1
3c7fd963a6f76835bc0e9824a0c9b212697a4be1

SHA256
2278284f1645e14b63c51b6d8d32f39217a5dfc2394903d931b15471d6530077

SHA512
0349c5cfa041b8aa22d00c4dba9971129fb089bbc629f580805fa8416c3631d5f76aea763ad87c6b2bd32df9c1d08c9e6bc2078d4f6f6d5855b407a44eedf4b0

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

MD5
755d2cbef32d1cf1ace02ff612f85be7

SHA1
3c7fd963a6f76835bc0e9824a0c9b212697a4be1

SHA256
2278284f1645e14b63c51b6d8d32f39217a5dfc2394903d931b15471d6530077

SHA512
0349c5cfa041b8aa22d00c4dba9971129fb089bbc629f580805fa8416c3631d5f76aea763ad87c6b2bd32df9c1d08c9e6bc2078d4f6f6d5855b407a44eedf4b0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads