sakula | 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e

General

Target

17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe
Size

100KB
MD5

4d4d25bbc64231d79da2b63c2e40723b
SHA1

13e44f0965d4e79ee3e929a0013a7cb92679ab4a
SHA256

17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e
SHA512

923194516a17651e082a0d34bd9b498d487e30f7271447ec8b5bb558e98773fec669d77879dd7404a5eb23801064886b59cf19160f132eee24c3ff73638ac2e1

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

3172 MediaCenter.exe

pid	process
3172	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:

17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.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"	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
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 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\BkDownloadRatePct = "45"	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\NormalDownloadPendingCount = "0"	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\MonthID = "2"	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\UplinkBps = "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\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\NormalDownloadCount = "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\Config\DODownloadMode = "1"	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\DownlinkBps = "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\PriorityDownloadPendingCount = "0"	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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyCacheHostBytes = "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\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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.239587"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188"	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\Usage\CPUpct = "0.000000"	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\CacheSizeBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	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\DownloadMonthlyRateFrCnt = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.998976"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1996 PING.EXE

pid	process
1996	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3428	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe
Token: SeBackupPrivilege	3952	TiWorker.exe
Token: SeRestorePrivilege	3952	TiWorker.exe
Token: SeSecurityPrivilege	3952	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.execmd.exe

description	pid	process	target process
PID 3428 wrote to memory of 3172	3428	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe	MediaCenter.exe
PID 3428 wrote to memory of 3172	3428	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe	MediaCenter.exe
PID 3428 wrote to memory of 3172	3428	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe	MediaCenter.exe
PID 3428 wrote to memory of 2844	3428	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe	cmd.exe
PID 3428 wrote to memory of 2844	3428	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe	cmd.exe
PID 3428 wrote to memory of 2844	3428	17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe	cmd.exe
PID 2844 wrote to memory of 1996	2844	cmd.exe	PING.EXE
PID 2844 wrote to memory of 1996	2844	cmd.exe	PING.EXE
PID 2844 wrote to memory of 1996	2844	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe
"C:\Users\Admin\AppData\Local\Temp\17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3172

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2844

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1996

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2208

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3636

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:3952

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
99f6e3fa3d8d5700a3324118abfd4856

SHA1
357750d4eed9d45e8e2c9173cbb4967a5c608a07

SHA256
88e8d83cb7736eba4280e39171cb473270fd22c9f722653fbc20dbb4d89e654c

SHA512
f1c61f8ccb942f3283492392a6929583bc6b3980e7accdefe2e6e8c62287bec050b3da8f0e90cad78f6475b818dd7ed0cc9726d00e016e40b654a138ca5ed485

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

MD5
99f6e3fa3d8d5700a3324118abfd4856

SHA1
357750d4eed9d45e8e2c9173cbb4967a5c608a07

SHA256
88e8d83cb7736eba4280e39171cb473270fd22c9f722653fbc20dbb4d89e654c

SHA512
f1c61f8ccb942f3283492392a6929583bc6b3980e7accdefe2e6e8c62287bec050b3da8f0e90cad78f6475b818dd7ed0cc9726d00e016e40b654a138ca5ed485

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads