sakula | 0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196

General

Target

0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe
Size

116KB
MD5

d801572fd3337510c1d3b22984c90c26
SHA1

97b78db5c6e6d80dc397b57eca5726b021ea13d5
SHA256

0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196
SHA512

28b4adcb4735dfaca6dd5180fc81a6ddc060edd4017991a8ad1e5a2112c0b0126254079f5c1f737024b8781380e26ec81f1e168a3766d310d23d3a71d0c4424c

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 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/2400-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3464-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3464 MediaCenter.exe

pid	process
3464	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:

0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.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"	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.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\DownlinkUsageBps = "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\Config	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\DODownloadMode = "1"	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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\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 (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\UplinkUsageBps = "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\MemoryUsageKB = "4076"	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\LANConnectionCount = "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\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\Config\KVFileExpirationTime = "132893045308765002"	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\SwarmCount = "1"	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\UploadMonthlyInternetBytes = "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\CDNConnectionCount = "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\PriorityDownloadCount = "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\Usage\DownloadMonthlyLanBytes = "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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.246132"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.462294"	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 (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\LinkLocalConnectionCount = "0"	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 = "5.799952"	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\DownloadMonthlyGroupBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2604 PING.EXE

pid	process
2604	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2400	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe
Token: SeBackupPrivilege	1040	TiWorker.exe
Token: SeRestorePrivilege	1040	TiWorker.exe
Token: SeSecurityPrivilege	1040	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.execmd.exe

description	pid	process	target process
PID 2400 wrote to memory of 3464	2400	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe	MediaCenter.exe
PID 2400 wrote to memory of 3464	2400	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe	MediaCenter.exe
PID 2400 wrote to memory of 3464	2400	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe	MediaCenter.exe
PID 2400 wrote to memory of 3668	2400	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe	cmd.exe
PID 2400 wrote to memory of 3668	2400	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe	cmd.exe
PID 2400 wrote to memory of 3668	2400	0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe	cmd.exe
PID 3668 wrote to memory of 2604	3668	cmd.exe	PING.EXE
PID 3668 wrote to memory of 2604	3668	cmd.exe	PING.EXE
PID 3668 wrote to memory of 2604	3668	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe
"C:\Users\Admin\AppData\Local\Temp\0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3464

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b188382593af6f19835504390336f2e6d0eef62b9e3be531e23077dbf301196.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3668

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2604

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3832

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:2516

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:1040

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
c5b58346c43218bc1a9e2c954a06ff9c

SHA1
e9edc3cd66aea7aae9be51a61fce329a6004d3b4

SHA256
0f79278880c37dfaa642b96a1d8cbfa51c0af405b72b96ae596bb77623623291

SHA512
efd92db08539a5caa3c797fa09c0b3dccd59ec636e191c41d599c61620b33793064e29f3bcd2c67a0e5726d5d8c701520f3e3fc4ef99e41252a31bba1a3d0b78

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c5b58346c43218bc1a9e2c954a06ff9c

SHA1
e9edc3cd66aea7aae9be51a61fce329a6004d3b4

SHA256
0f79278880c37dfaa642b96a1d8cbfa51c0af405b72b96ae596bb77623623291

SHA512
efd92db08539a5caa3c797fa09c0b3dccd59ec636e191c41d599c61620b33793064e29f3bcd2c67a0e5726d5d8c701520f3e3fc4ef99e41252a31bba1a3d0b78

Download Submit
memory/2400-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3464-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads