sakula | 05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494

General

Target

05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe
Size

58KB
MD5

5ac575469a24de65969a17c2f244ac45
SHA1

b2043f6dec1426bb018d7d9927e8cb43063faf22
SHA256

05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494
SHA512

0cb41d4827fbc675c041792b91420e41233729018cec1fc6006a36f6976d3b7954299711650be2d63dabdb36748fd7b3dd6dac33fe0d86ebce0f650facbb9f91

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

1900 MediaCenter.exe

pid	process
1900	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:

05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.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"	05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.152900"	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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyCacheHostBytes = "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\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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\DownloadMonthlyRateFrBps = "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 (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\BkDownloadRatePct = "45"	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\Config\DownloadMode_BackCompat = "1"	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 = "0.006580"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	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\MonthID = "2"	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\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\UploadRatePct = "100"	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\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\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\MemoryUsageKB = "4172"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3984"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.674870"	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\UploadMonthlyInternetBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.510008"	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\Config\KVFileExpirationTime = "132893144351505570"	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\DownlinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3504 PING.EXE

pid	process
3504	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe
Token: SeRestorePrivilege	2988	TiWorker.exe
Token: SeSecurityPrivilege	2988	TiWorker.exe
Token: SeBackupPrivilege	2988	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.execmd.exe

description	pid	process	target process
PID 3076 wrote to memory of 1900	3076	05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe	MediaCenter.exe
PID 3076 wrote to memory of 1900	3076	05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe	MediaCenter.exe
PID 3076 wrote to memory of 1900	3076	05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe	MediaCenter.exe
PID 3076 wrote to memory of 2212	3076	05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe	cmd.exe
PID 3076 wrote to memory of 2212	3076	05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe	cmd.exe
PID 3076 wrote to memory of 2212	3076	05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe	cmd.exe
PID 2212 wrote to memory of 3504	2212	cmd.exe	PING.EXE
PID 2212 wrote to memory of 3504	2212	cmd.exe	PING.EXE
PID 2212 wrote to memory of 3504	2212	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe
"C:\Users\Admin\AppData\Local\Temp\05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3076

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1900

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05d8c8070d5f4514166442230f1f1b35114a6fe1cf0dba98ead5d46bd1a32494.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3504

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2268

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:660

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:2988

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
6c9ae8cf7756883f3f1b848d3a0fdebe

SHA1
d1cb276ce0ab9ba9dddb2868f39955c7960cc85a

SHA256
46ec7f4af51dc51b58c7c4b7bf0d13113111318f4d0f8276c1a4331a79c3e188

SHA512
19ead1d989e33ca4f589323b58d91ad8a4107a2aea1cd1da39e0f2645ea545629c8d7a00e3dc6b3b4d46ccd761d32fac9fc1d22c67e8c2285a9d7adc40ecb0e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
6c9ae8cf7756883f3f1b848d3a0fdebe

SHA1
d1cb276ce0ab9ba9dddb2868f39955c7960cc85a

SHA256
46ec7f4af51dc51b58c7c4b7bf0d13113111318f4d0f8276c1a4331a79c3e188

SHA512
19ead1d989e33ca4f589323b58d91ad8a4107a2aea1cd1da39e0f2645ea545629c8d7a00e3dc6b3b4d46ccd761d32fac9fc1d22c67e8c2285a9d7adc40ecb0e4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads