sakula | 1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df

General

Target

1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe
Size

150KB
MD5

517a2e182924e2ba39a5a501888a7a20
SHA1

f3ecb8deb361a1685215097132ce639844e5dc2a
SHA256

1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df
SHA512

79567507f084f740ebed349384571ec5466b3ca16d2877360b894744d74281f6cd77b1aebc8cfc076ad47204acba083063c5b80c627c863e57dd71ccc3bd0dd0

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

1188 MediaCenter.exe

pid	process
1188	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:

1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.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"	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.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\Config\DownloadMode_BackCompat = "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\LinkLocalConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\DownloadMonthlyCdnBytes = "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\UplinkBps = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.856994"	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	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\SwarmCount = "1"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.680046"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.126674"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\UploadMonthlyInternetBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4196"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2188 PING.EXE

pid	process
2188	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3376	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe
Token: SeBackupPrivilege	3108	TiWorker.exe
Token: SeRestorePrivilege	3108	TiWorker.exe
Token: SeSecurityPrivilege	3108	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.execmd.exe

description	pid	process	target process
PID 3376 wrote to memory of 1188	3376	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe	MediaCenter.exe
PID 3376 wrote to memory of 1188	3376	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe	MediaCenter.exe
PID 3376 wrote to memory of 1188	3376	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe	MediaCenter.exe
PID 3376 wrote to memory of 956	3376	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe	cmd.exe
PID 3376 wrote to memory of 956	3376	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe	cmd.exe
PID 3376 wrote to memory of 956	3376	1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe	cmd.exe
PID 956 wrote to memory of 2188	956	cmd.exe	PING.EXE
PID 956 wrote to memory of 2188	956	cmd.exe	PING.EXE
PID 956 wrote to memory of 2188	956	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe
"C:\Users\Admin\AppData\Local\Temp\1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3376

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1188

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1861069b606dc47833f3b4f9d8ee767a24363801ff52b2c68cabbf524d88a0df.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2188

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:780

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3224

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:3108

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
b19e857dbfd4e5b1853f1dcf8b78b5ce

SHA1
e2e27adcb2ba129269bf3cb886055eb05bb6203f

SHA256
42f4ab41cf8ab9814711d00837ebc9716d06b4c33f4edf7c7e53d27f85bb2b0f

SHA512
dee8164742cc8e99908b6bfee833d35baa8547b4d7be13eaecdbb7d0a8440e8d6202f5eea2a141497d5b2503961dca023a352c731814555957accaec4b8caafd

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

MD5
b19e857dbfd4e5b1853f1dcf8b78b5ce

SHA1
e2e27adcb2ba129269bf3cb886055eb05bb6203f

SHA256
42f4ab41cf8ab9814711d00837ebc9716d06b4c33f4edf7c7e53d27f85bb2b0f

SHA512
dee8164742cc8e99908b6bfee833d35baa8547b4d7be13eaecdbb7d0a8440e8d6202f5eea2a141497d5b2503961dca023a352c731814555957accaec4b8caafd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads