sakula | 157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b

General

Target

157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe
Size

150KB
MD5

734bd525be7ec12f9b9191e4f1bf79e3
SHA1

9101d9d2817a6791d7ce9feaf7d34508c6daaa42
SHA256

157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b
SHA512

a332474b9c401a9afcc759ea75d386f163146b55439d46208b302e55371e56fd87ae0a14db1de4a6c976806a79da54c76d1e373bd1c26998450f7d5ea5119d17

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

4008 MediaCenter.exe

pid	process
4008	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:

157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.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"	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.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\DownloadMonthlyRateBkBps = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCacheHostBytes = "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\Usage\NormalDownloadCount = "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\DownlinkBps = "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\DownloadMonthlyLanBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.159461"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\CacheSizeBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.562533"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.957592"	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\Usage\DownloadMonthlyRateFrBps = "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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200"	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\DownloadMonthlyRateBkCnt = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1724 PING.EXE

pid	process
1724	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1864	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe
Token: SeBackupPrivilege	3148	TiWorker.exe
Token: SeRestorePrivilege	3148	TiWorker.exe
Token: SeSecurityPrivilege	3148	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.execmd.exe

description	pid	process	target process
PID 1864 wrote to memory of 4008	1864	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe	MediaCenter.exe
PID 1864 wrote to memory of 4008	1864	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe	MediaCenter.exe
PID 1864 wrote to memory of 4008	1864	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe	MediaCenter.exe
PID 1864 wrote to memory of 3456	1864	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe	cmd.exe
PID 1864 wrote to memory of 3456	1864	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe	cmd.exe
PID 1864 wrote to memory of 3456	1864	157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe	cmd.exe
PID 3456 wrote to memory of 1724	3456	cmd.exe	PING.EXE
PID 3456 wrote to memory of 1724	3456	cmd.exe	PING.EXE
PID 3456 wrote to memory of 1724	3456	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe
"C:\Users\Admin\AppData\Local\Temp\157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4008

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\157f4afe86bdede9def3bca7c27c018b8b2945214e2d288334902d73eee8a37b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3456

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1724

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3396

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3844

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:3148

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
5ba1a90f90c0c897a8840cd01eb186d4

SHA1
f076d32c38bb08f3daa05e5918dee52f3a69ecd8

SHA256
398a619606cd48d228581c8a5e90a1985d1d5185e787de90c72b7d4042ee4041

SHA512
1a106f86128866f7d3f993121c3b80f4a0b28621b2c6e825f7db2cb457eef381a983d06fd420310c8358add8df77c4eb4510837f5017686b1924c3aaf7f9b253

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

MD5
5ba1a90f90c0c897a8840cd01eb186d4

SHA1
f076d32c38bb08f3daa05e5918dee52f3a69ecd8

SHA256
398a619606cd48d228581c8a5e90a1985d1d5185e787de90c72b7d4042ee4041

SHA512
1a106f86128866f7d3f993121c3b80f4a0b28621b2c6e825f7db2cb457eef381a983d06fd420310c8358add8df77c4eb4510837f5017686b1924c3aaf7f9b253

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads