sakula | 15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036

General

Target

15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe
Size

79KB
MD5

eec9e14eff77b6a87dc459515cd54077
SHA1

774c5903c8846fc87fe2422a40c426a6f8ab528e
SHA256

15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036
SHA512

7ba24356aa0ecf917af8ad45754ff99cdc32a00ae47d768ca40c2f94aa6da1a7a829e5d5fd86b5964822e3a6dd902a0a2a098a9e48b422bb2fc5f70bb7b4756f

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

1800 MediaCenter.exe

pid	process
1800	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:

15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.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"	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.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\DownlinkUsageBps = "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
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\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\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "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\BkDownloadRatePct = "45"	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\PeerInfoCount = "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\MonthlyUploadRestriction = "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\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\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\DownloadMonthlyCacheHostBytes = "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\LinkLocalConnectionCount = "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\MemoryUsageKB = "4316"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	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\DownloadMonthlyRateFrCnt = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212"	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\SwarmCount = "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\DownloadMonthlyGroupBytes = "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\GroupConnectionCount = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.096712"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4072 PING.EXE

pid	process
4072	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	648	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.execmd.exe

description	pid	process	target process
PID 648 wrote to memory of 1800	648	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe	MediaCenter.exe
PID 648 wrote to memory of 1800	648	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe	MediaCenter.exe
PID 648 wrote to memory of 1800	648	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe	MediaCenter.exe
PID 648 wrote to memory of 2564	648	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe	cmd.exe
PID 648 wrote to memory of 2564	648	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe	cmd.exe
PID 648 wrote to memory of 2564	648	15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe	cmd.exe
PID 2564 wrote to memory of 4072	2564	cmd.exe	PING.EXE
PID 2564 wrote to memory of 4072	2564	cmd.exe	PING.EXE
PID 2564 wrote to memory of 4072	2564	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe
"C:\Users\Admin\AppData\Local\Temp\15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1800

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15af1eef06f2db43bb6f8db940de14ee452aa001dd7f5bd805e16e3496723036.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2564

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4072

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3084

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2428

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:2764

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
204dbcb29e6e476e2d258541d101666b

SHA1
7dbe84e04410ec5cc7064bef87e927f04e4cc740

SHA256
0b3105396d27c405ad70fd53119c3b40fbfeb942f5f85f8e053f89cb0c2612c3

SHA512
6a179ed85dbbfa2040528e95f5383d94c033f18d17b581b39c28697d3c69ffbc1cbe6d358e3653250fea9b70797b80719da00deeccd86dae78fb5caf89bdcb6f

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

MD5
204dbcb29e6e476e2d258541d101666b

SHA1
7dbe84e04410ec5cc7064bef87e927f04e4cc740

SHA256
0b3105396d27c405ad70fd53119c3b40fbfeb942f5f85f8e053f89cb0c2612c3

SHA512
6a179ed85dbbfa2040528e95f5383d94c033f18d17b581b39c28697d3c69ffbc1cbe6d358e3653250fea9b70797b80719da00deeccd86dae78fb5caf89bdcb6f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads