sakula | 07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0

General

Target

07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe
Size

99KB
MD5

24d135a3ab47a69bb1501ff51f51739d
SHA1

2d401bc2ebb0f4275847c781cd0436b7fabcdc7c
SHA256

07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0
SHA512

50291613c6ae4d69bb4561e5e6ca7a9ab6ca91f84a5727dce81fc71d48f8877709796b271cacf4b50cd9457b437769997fab64660f67c3899a31f053086ace68

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

1972 MediaCenter.exe

pid	process
1972	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:

07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.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"	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.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
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.153849"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\PriorityDownloadPendingCount = "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\Usage	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\UploadRatePct = "100"	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\DownloadMonthlyRateBkBps = "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
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\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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.185824"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4032"	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\DownloadMonthlyCdnBytes = "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\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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4180"	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\DownloadMonthlyLanBytes = "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\PeerInfoCount = "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\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\MonthlyUploadRestriction = "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\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\DownloadMonthlyRateFrCnt = "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\NormalDownloadPendingCount = "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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.124516"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893116652645635"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3244 PING.EXE

pid	process
3244	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe

description	pid	process
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2096	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.execmd.exe

description	pid	process	target process
PID 2096 wrote to memory of 1972	2096	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe	MediaCenter.exe
PID 2096 wrote to memory of 1972	2096	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe	MediaCenter.exe
PID 2096 wrote to memory of 1972	2096	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe	MediaCenter.exe
PID 2096 wrote to memory of 528	2096	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe	cmd.exe
PID 2096 wrote to memory of 528	2096	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe	cmd.exe
PID 2096 wrote to memory of 528	2096	07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe	cmd.exe
PID 528 wrote to memory of 3244	528	cmd.exe	PING.EXE
PID 528 wrote to memory of 3244	528	cmd.exe	PING.EXE
PID 528 wrote to memory of 3244	528	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe
"C:\Users\Admin\AppData\Local\Temp\07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2096

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07cc4c82781917431fa33c81fe6d5ba49553a5173b640dbad3f243eb24dc2ff0.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3244

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3472

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:3428

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:3016

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
4edd77080b893c771734469581311818

SHA1
0794f70dcd44f4136f11d062ae1d6e17af04def5

SHA256
a4e4a67fa23b7e6bc21f0609a610a5f03bb829296dda8df6dd74d468c62696af

SHA512
ab16bea835fa12b2349d45e879f52f67a60a0b13cdabd6a9b0ce9f6f9ffc8c2dcb7a09d4d7a0beb934743c34b6f26d0e371ec8c4b88997673ce7a3518a4f7938

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
4edd77080b893c771734469581311818

SHA1
0794f70dcd44f4136f11d062ae1d6e17af04def5

SHA256
a4e4a67fa23b7e6bc21f0609a610a5f03bb829296dda8df6dd74d468c62696af

SHA512
ab16bea835fa12b2349d45e879f52f67a60a0b13cdabd6a9b0ce9f6f9ffc8c2dcb7a09d4d7a0beb934743c34b6f26d0e371ec8c4b88997673ce7a3518a4f7938

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads