sakula | 15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc

General

Target

15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe
Size

58KB
MD5

066a5f61b3edde9e21e4149210c4f72b
SHA1

236256f15197904f27dbda051796a560561a382c
SHA256

15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc
SHA512

9c180d89db440a8ff905c2922e18ff54309bd98c8ae3e012536b5d4db8896dd8c404896dde5c13d2670a2dc5f584cb2d7a50606fe66b9ca320ce0182055fa9b5

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

3496 MediaCenter.exe

pid	process
3496	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:

15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.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"	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.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\MonthID = "2"	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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.128049"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4152"	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\DownloadMonthlyCacheHostBytes = "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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.499832"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\NormalDownloadCount = "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 = "4340"	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\UploadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892895413222113"	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\BkDownloadRatePct = "45"	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\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\DownloadMonthlyRateBkBps = "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\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\DownlinkBps = "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\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\DownloadMonthlyRateBkCnt = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3520 PING.EXE

pid	process
3520	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe

description	pid	process
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3944	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.execmd.exe

description	pid	process	target process
PID 3944 wrote to memory of 3496	3944	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe	MediaCenter.exe
PID 3944 wrote to memory of 3496	3944	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe	MediaCenter.exe
PID 3944 wrote to memory of 3496	3944	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe	MediaCenter.exe
PID 3944 wrote to memory of 2512	3944	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe	cmd.exe
PID 3944 wrote to memory of 2512	3944	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe	cmd.exe
PID 3944 wrote to memory of 2512	3944	15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe	cmd.exe
PID 2512 wrote to memory of 3520	2512	cmd.exe	PING.EXE
PID 2512 wrote to memory of 3520	2512	cmd.exe	PING.EXE
PID 2512 wrote to memory of 3520	2512	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe
"C:\Users\Admin\AppData\Local\Temp\15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3496

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15a0e292d606ee3f89dc3041a4c2bc35de5cc5c6752da48b7ac9d5ae20fd47cc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2512

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3520

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:564

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:2572

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:3832

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
08b277bbbb186efbc34c3a743fa6ef63

SHA1
2bfa8916385c42ad5c47cec9fbc9261aa91890f7

SHA256
969f55314b00c72603bdf2810f66a7021186e21681db1f6d5c9c0e02a7601457

SHA512
c817e312d0d96e98d5aa0369d266ef323681d4a1a9f20ab79297db7bd90eb3f572cb25a0f4006892bfb31814da69f3a248ae27acc38585d7e1c9517ceb6fc6b7

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

MD5
08b277bbbb186efbc34c3a743fa6ef63

SHA1
2bfa8916385c42ad5c47cec9fbc9261aa91890f7

SHA256
969f55314b00c72603bdf2810f66a7021186e21681db1f6d5c9c0e02a7601457

SHA512
c817e312d0d96e98d5aa0369d266ef323681d4a1a9f20ab79297db7bd90eb3f572cb25a0f4006892bfb31814da69f3a248ae27acc38585d7e1c9517ceb6fc6b7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads