sakula | 17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf

General

Target

17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe
Size

99KB
MD5

89dd94a36bbdcd04c5fa213621658843
SHA1

858d1f6ff32b631f62f765084a1e280ccfcd3f1c
SHA256

17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf
SHA512

65f68f72449adea5698a27fe036c27b540d1f234e6acfea821c6d2d771ce302fcc0ff9bb19b294ebe46cc4a9ba6570aece4bcf63a8a376e2a3ca05db57c61ba5

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

388 MediaCenter.exe

pid	process
388	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:

17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.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"	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrCnt = "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\MonthID = "2"	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\UplinkUsageBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.337967"	svchost.exe
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 = "2.722755"	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\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\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\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\CDNConnectionCount = "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\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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.086932"	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\UploadMonthlyInternetBytes = "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\SwarmCount = "1"	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\UploadCount = "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\MemoryUsageKB = "4380"	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\Config	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\PeerInfoCount = "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\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\MemoryUsageKB = "4244"	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\Config\KVFileExpirationTime = "132892862274928097"	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 = "4388"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2144 PING.EXE

pid	process
2144	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2232	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe
Token: SeBackupPrivilege	1492	TiWorker.exe
Token: SeRestorePrivilege	1492	TiWorker.exe
Token: SeSecurityPrivilege	1492	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.execmd.exe

description	pid	process	target process
PID 2232 wrote to memory of 388	2232	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe	MediaCenter.exe
PID 2232 wrote to memory of 388	2232	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe	MediaCenter.exe
PID 2232 wrote to memory of 388	2232	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe	MediaCenter.exe
PID 2232 wrote to memory of 1304	2232	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe	cmd.exe
PID 2232 wrote to memory of 1304	2232	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe	cmd.exe
PID 2232 wrote to memory of 1304	2232	17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe	cmd.exe
PID 1304 wrote to memory of 2144	1304	cmd.exe	PING.EXE
PID 1304 wrote to memory of 2144	1304	cmd.exe	PING.EXE
PID 1304 wrote to memory of 2144	1304	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe
"C:\Users\Admin\AppData\Local\Temp\17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:388

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17cb0ec67769298cc0c44236da838c9dbd8031293cf9557bda80177a6f7a7fcf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2144

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1064

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:3892

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:1492

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
1e8766c45ca3c5db29dd6dc077eb7462

SHA1
9ff2410d8e5882f1da3c645fc3605df5e6643b43

SHA256
46f1826b168e8f25f44d7fc279cb7448375a0ddd7127dc4e99ec022e83ad8ff3

SHA512
25e42c1bb891cd428846a7d5e388142af408457f24986d50bbef5e9ce8b887342e8d507632601436f7fc7e5723b3ad6d2a47d92cc9389dca2fed2654cbe9c3eb

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

MD5
1e8766c45ca3c5db29dd6dc077eb7462

SHA1
9ff2410d8e5882f1da3c645fc3605df5e6643b43

SHA256
46f1826b168e8f25f44d7fc279cb7448375a0ddd7127dc4e99ec022e83ad8ff3

SHA512
25e42c1bb891cd428846a7d5e388142af408457f24986d50bbef5e9ce8b887342e8d507632601436f7fc7e5723b3ad6d2a47d92cc9389dca2fed2654cbe9c3eb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads