sakula | 179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7

General

Target

179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe
Size

35KB
MD5

468d1a722a8397055a15efe0f75f0890
SHA1

40b981d35979e347633f2d89e66d22a538d3a07b
SHA256

179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7
SHA512

61f8512b8cb166ab82b6fa1541f169073308a747670ca9ab142719754f5f82425516fa1842312c3c657008bb461fd7951e9eda6b84398cc0645a78f5b2c0becf

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

864 MediaCenter.exe

pid	process
864	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:

179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.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"	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.084339"	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
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\SwarmCount = "1"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4036"	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\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\MonthlyUploadRestriction = "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\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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "13.181716"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.926872"	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\DownloadMonthlyLinkLocalBytes = "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\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\DownloadMonthlyRateBkCnt = "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\BkDownloadRatePct = "45"	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\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 = "132892865936131516"	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 (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\NormalDownloadCount = "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\MemoryUsageKB = "4284"	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\DownloadMonthlyLanBytes = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3548 PING.EXE

pid	process
3548	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2864	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.execmd.exe

description	pid	process	target process
PID 2864 wrote to memory of 864	2864	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe	MediaCenter.exe
PID 2864 wrote to memory of 864	2864	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe	MediaCenter.exe
PID 2864 wrote to memory of 864	2864	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe	MediaCenter.exe
PID 2864 wrote to memory of 2200	2864	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe	cmd.exe
PID 2864 wrote to memory of 2200	2864	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe	cmd.exe
PID 2864 wrote to memory of 2200	2864	179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe	cmd.exe
PID 2200 wrote to memory of 3548	2200	cmd.exe	PING.EXE
PID 2200 wrote to memory of 3548	2200	cmd.exe	PING.EXE
PID 2200 wrote to memory of 3548	2200	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe
"C:\Users\Admin\AppData\Local\Temp\179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2864

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:864

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\179803fb0d8173f0d357ece19dcd452dab753a625f92eff6074cfa47aa2592a7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3548

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3308

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:2604

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:3032

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
6630a47ec7016978130b9654b3d14298

SHA1
e8b6e801c09d38bb8b9b7e7a4874d129600c04dd

SHA256
33e30d5b15f9bbb487071170ba8a66cb7a865e2abaea7d6e8f7ad91aeb0c5257

SHA512
0e9637f5b1f4ab56838d3a314aa45e6e7e6d95613beee97cc7716f2cfe61c4a6b38a8be8ca706600d8a2259a97a1d55936f33c75ef998d31812b75e3fa6b9604

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

MD5
6630a47ec7016978130b9654b3d14298

SHA1
e8b6e801c09d38bb8b9b7e7a4874d129600c04dd

SHA256
33e30d5b15f9bbb487071170ba8a66cb7a865e2abaea7d6e8f7ad91aeb0c5257

SHA512
0e9637f5b1f4ab56838d3a314aa45e6e7e6d95613beee97cc7716f2cfe61c4a6b38a8be8ca706600d8a2259a97a1d55936f33c75ef998d31812b75e3fa6b9604

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads