sakula | 15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6

General

Target

15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe
Size

92KB
MD5

8c462ae510f799b1f7addce90c1d4fb8
SHA1

590d8644258967d3a182a466c4554becb9597635
SHA256

15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6
SHA512

75fdbb9fc4019dbf3a61cc662f07c3d500c4596b143f7f106776ef74b5233853acacda25638b0cae84d01391dbc6598a84e0731e519a11f287dc7256b5c10c5b

Score

10^/10

sakula persistence rat suricata 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2140 MediaCenter.exe

pid	process
2140	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:

15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.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"	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.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 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 47 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.096302"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.999880"	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\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\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\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\CacheSizeBytes = "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 = "10.014382"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292"	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\DownloadMonthlyLanBytes = "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\UplinkUsageBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\LinkLocalConnectionCount = "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\PeerInfoCount = "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\PriorityDownloadCount = "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\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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\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\FrDownloadRatePct = "90"	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\Usage\MemoryUsageKB = "4320"	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\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2172 PING.EXE

pid	process
2172	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1512	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe
Token: SeBackupPrivilege	3232	TiWorker.exe
Token: SeRestorePrivilege	3232	TiWorker.exe
Token: SeSecurityPrivilege	3232	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.execmd.exe

description	pid	process	target process
PID 1512 wrote to memory of 2140	1512	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe	MediaCenter.exe
PID 1512 wrote to memory of 2140	1512	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe	MediaCenter.exe
PID 1512 wrote to memory of 2140	1512	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe	MediaCenter.exe
PID 1512 wrote to memory of 3984	1512	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe	cmd.exe
PID 1512 wrote to memory of 3984	1512	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe	cmd.exe
PID 1512 wrote to memory of 3984	1512	15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe	cmd.exe
PID 3984 wrote to memory of 2172	3984	cmd.exe	PING.EXE
PID 3984 wrote to memory of 2172	3984	cmd.exe	PING.EXE
PID 3984 wrote to memory of 2172	3984	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe
"C:\Users\Admin\AppData\Local\Temp\15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2140

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15bd9db794e940a53f7974e86222882398eb6341b57f6b734ebab43ef424f2b6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3984

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2172

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1892

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:836

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:3232

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
61973c8231b206aeb7c229ae576ffd4d

SHA1
3f92168ac351bcde63e59e2078b32d3ae7d2b6b7

SHA256
868b406d23add7dbc4849b483cf26754f93ce8ca8d506717a513a589021d91b1

SHA512
27994fa12cef38262799c9888ef8fffa7a55a30122ce2778838532ae9811377ef3b5f766fccd52673fdc4711a7e7ec5419fcf8b8b6f007888e43cef1df14091d

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

MD5
61973c8231b206aeb7c229ae576ffd4d

SHA1
3f92168ac351bcde63e59e2078b32d3ae7d2b6b7

SHA256
868b406d23add7dbc4849b483cf26754f93ce8ca8d506717a513a589021d91b1

SHA512
27994fa12cef38262799c9888ef8fffa7a55a30122ce2778838532ae9811377ef3b5f766fccd52673fdc4711a7e7ec5419fcf8b8b6f007888e43cef1df14091d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads