sakula | 10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4

General

Target

10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe
Size

80KB
MD5

c7e7b8d27b02906fe5ed646e98f0b21c
SHA1

4c853f964540604f69c88ff04267c4a5fa6999de
SHA256

10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4
SHA512

b201cf7bfc065526b7b4a990bd3a1d93bf2c1ae44ae17eeb0811dde211bd7cb927a8374a1645049ab2018febac266fa1b1d19d9e1f05d273f87bbd192f9636c1

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 2 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

364 MediaCenter.exe

pid	process
364	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:

10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.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"	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.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\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMode_BackCompat = "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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.961524"	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\CacheSizeBytes = "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\PriorityDownloadPendingCount = "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 = "9.991508"	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\DownloadMonthlyLinkLocalBytes = "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\UploadRatePct = "100"	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\DownloadMonthlyRateBkCnt = "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 (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 = "4348"	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\Config\DODownloadMode = "1"	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\SwarmCount = "1"	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\BkDownloadRatePct = "45"	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\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\Config\KVFileExpirationTime = "132892961581705694"	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\PeerInfoCount = "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\DownlinkUsageBps = "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\GroupConnectionCount = "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 = "1.321597"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1484 PING.EXE

pid	process
1484	PING.EXE

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4060	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.execmd.exe

description	pid	process	target process
PID 4060 wrote to memory of 364	4060	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe	MediaCenter.exe
PID 4060 wrote to memory of 364	4060	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe	MediaCenter.exe
PID 4060 wrote to memory of 364	4060	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe	MediaCenter.exe
PID 4060 wrote to memory of 1476	4060	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe	cmd.exe
PID 4060 wrote to memory of 1476	4060	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe	cmd.exe
PID 4060 wrote to memory of 1476	4060	10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe	cmd.exe
PID 1476 wrote to memory of 1484	1476	cmd.exe	PING.EXE
PID 1476 wrote to memory of 1484	1476	cmd.exe	PING.EXE
PID 1476 wrote to memory of 1484	1476	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe
"C:\Users\Admin\AppData\Local\Temp\10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4060

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:364

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10d3c8c516e195c174f8890d51ec8877b52eb8dd73b275a22235d90b461cdbf4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1476

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1484

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2480

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:3696

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:3284

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
b2ac4cfa351e1a562648cd061afd60a8

SHA1
034553a4013b745d13bb7f1a6f4b3934ed83ead0

SHA256
8712b9e06a4587131142c8da1f248266f3844fd8e2c536d37e064abaf955f2db

SHA512
f1a06ce88254d155149bfd0247c7e0e07a1942eab756f2ed3bb87f946c7b4758ba6cb191073073d5327e657afbe43f8206fb1deb73852cae3dd4eb3d304bfcb8

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

MD5
b2ac4cfa351e1a562648cd061afd60a8

SHA1
034553a4013b745d13bb7f1a6f4b3934ed83ead0

SHA256
8712b9e06a4587131142c8da1f248266f3844fd8e2c536d37e064abaf955f2db

SHA512
f1a06ce88254d155149bfd0247c7e0e07a1942eab756f2ed3bb87f946c7b4758ba6cb191073073d5327e657afbe43f8206fb1deb73852cae3dd4eb3d304bfcb8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads