sakula | 17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1

General

Target

17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe
Size

116KB
MD5

bf8fad4016e21d35a8c09b73d9f7dbbc
SHA1

6b8e0eb55f3bcb27fe828fb7e0f7eeede77d6759
SHA256

17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1
SHA512

9dccc6c74b8884ba3f0f5b29b40ef67e28d10b332cdb745f98d39c7d2300e1e21c644a66661099f2d451edcf5296ba71b31ebda8e3b1b7b8e809e71b4b18bdbf

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/2268-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3532-133-0x0000000000400000-0x0000000000420000-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

3532 MediaCenter.exe

pid	process
3532	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:

17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.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"	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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
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\UploadMonthlyInternetBytes = "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\LANConnectionCount = "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\MemoryUsageKB = "4324"	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\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\UplinkUsageBps = "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\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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039635"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.154800"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\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 (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 = "1.851836"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMode_BackCompat = "1"	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\SwarmCount = "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\CDNConnectionCount = "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 = "132892864641682480"	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\MonthlyUploadRestriction = "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\NormalDownloadPendingCount = "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\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\MemoryUsageKB = "4088"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1524 PING.EXE

pid	process
1524	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2268	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe
Token: SeBackupPrivilege	784	TiWorker.exe
Token: SeRestorePrivilege	784	TiWorker.exe
Token: SeSecurityPrivilege	784	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.execmd.exe

description	pid	process	target process
PID 2268 wrote to memory of 3532	2268	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe	MediaCenter.exe
PID 2268 wrote to memory of 3532	2268	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe	MediaCenter.exe
PID 2268 wrote to memory of 3532	2268	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe	MediaCenter.exe
PID 2268 wrote to memory of 736	2268	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe	cmd.exe
PID 2268 wrote to memory of 736	2268	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe	cmd.exe
PID 2268 wrote to memory of 736	2268	17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe	cmd.exe
PID 736 wrote to memory of 1524	736	cmd.exe	PING.EXE
PID 736 wrote to memory of 1524	736	cmd.exe	PING.EXE
PID 736 wrote to memory of 1524	736	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe
"C:\Users\Admin\AppData\Local\Temp\17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3532

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17ab205124ae500ace785580678d8abe435f0a753ee73364eba9f383df5e62e1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:736

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1524

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3988

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:3856

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:784

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
01206e5b012bcbf3538f7f05b9130e07

SHA1
ccaab6406b1d5eeaaf6a1381c17fa8b586f47f14

SHA256
dc551e58642d58f603d09aadbddd5b08099f7b042546b970e007d0770791b265

SHA512
fccdc04b58762475f61fc51894f8330c67d4fa19c3c0649328f48d0bada5210766d4e297cbd241ee8498b4a02e65f3a5450516f7a9255128289051373698be1b

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

MD5
01206e5b012bcbf3538f7f05b9130e07

SHA1
ccaab6406b1d5eeaaf6a1381c17fa8b586f47f14

SHA256
dc551e58642d58f603d09aadbddd5b08099f7b042546b970e007d0770791b265

SHA512
fccdc04b58762475f61fc51894f8330c67d4fa19c3c0649328f48d0bada5210766d4e297cbd241ee8498b4a02e65f3a5450516f7a9255128289051373698be1b

Download Submit
memory/2268-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3532-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads