sakula | 1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013

General

Target

1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe
Size

160KB
MD5

9ae1392430c08bf1142d20c196bd52e4
SHA1

b95e50056301c7fa7eed06d56085755282bb75ef
SHA256

1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013
SHA512

f528c798316a985df15c6d637c4d8547e81d8b77f1c6f9897fe6bc08b4fe9b53d3f49d7e5cabcc2a9dc77fc8d0722701af89127ca98ea57f8694625846efd962

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 3 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/1232-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1192 MediaCenter.exe

pid	process
1192	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:

1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.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"	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892870374643778"	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\BkDownloadRatePct = "45"	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 (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\InternetConnectionCount = "0"	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 (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\SwarmCount = "1"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	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\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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.513875"	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.555153"	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\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "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\MemoryUsageKB = "4316"	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\DownlinkUsageBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166558"	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\DownloadMonthlyRateBkBps = "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\PeerInfoCount = "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\LinkLocalConnectionCount = "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\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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

112 PING.EXE

pid	process
112	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1232	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.execmd.exe

description	pid	process	target process
PID 1232 wrote to memory of 1192	1232	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe	MediaCenter.exe
PID 1232 wrote to memory of 1192	1232	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe	MediaCenter.exe
PID 1232 wrote to memory of 1192	1232	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe	MediaCenter.exe
PID 1232 wrote to memory of 1280	1232	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe	cmd.exe
PID 1232 wrote to memory of 1280	1232	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe	cmd.exe
PID 1232 wrote to memory of 1280	1232	1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe	cmd.exe
PID 1280 wrote to memory of 112	1280	cmd.exe	PING.EXE
PID 1280 wrote to memory of 112	1280	cmd.exe	PING.EXE
PID 1280 wrote to memory of 112	1280	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe
"C:\Users\Admin\AppData\Local\Temp\1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1192

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1747ff2533af2cba22f75726ad839c8ce1f114e3be64d2813437b5d42386b013.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:112

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1576

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:2596

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:2968

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
c8093d4c6b818f66a84c3abdce38cbe9

SHA1
c955d9cb6146e429b7de1fc1676dba75f8954081

SHA256
3fe0b213be993a15719c3dc0658c20caf685cf47071de68bd4dd41c05ea1a7ef

SHA512
cb61c7040f174af3ea8223571b705f295adf7053ed44195203859e0f29cdb8ce21e7b4b8d21bccb2be686b70c1add6e220b5ccbcc3a0dd41cec16174ebebd42a

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

MD5
c8093d4c6b818f66a84c3abdce38cbe9

SHA1
c955d9cb6146e429b7de1fc1676dba75f8954081

SHA256
3fe0b213be993a15719c3dc0658c20caf685cf47071de68bd4dd41c05ea1a7ef

SHA512
cb61c7040f174af3ea8223571b705f295adf7053ed44195203859e0f29cdb8ce21e7b4b8d21bccb2be686b70c1add6e220b5ccbcc3a0dd41cec16174ebebd42a

Download Submit
memory/1232-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads