sakula | 0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170

General

Target

0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe
Size

36KB
MD5

33399a54cdf78953bac5d104edab2c9f
SHA1

61eca0ea8c61f4faafcb7c13f28454fc07b316db
SHA256

0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170
SHA512

c3091f8cf0e72c8ddbc1c474e822792c7527b2bfe66e25c6fae6581540265f94cfac86e14fb91e11d7fa0a343bf525e5beef4601fd8cb0999113ed7991e2e5d1

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2416 MediaCenter.exe

pid	process
2416	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:

0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.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"	0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.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 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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownlinkUsageBps = "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\DownloadMonthlyRateFrCnt = "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\CDNConnectionCount = "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\MonthID = "2"	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 = "0.006684"	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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893075942365266"	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\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\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	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.147837"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964"	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\MemoryUsageKB = "4064"	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\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\GroupConnectionCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.933706"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.497261"	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\CacheSizeBytes = "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\UplinkUsageBps = "0"	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\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\DownloadMonthlyRateBkCnt = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3104 PING.EXE

pid	process
3104	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe
Token: SeRestorePrivilege	3532	TiWorker.exe
Token: SeSecurityPrivilege	3532	TiWorker.exe
Token: SeBackupPrivilege	3532	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.execmd.exe

description	pid	process	target process
PID 1924 wrote to memory of 2416	1924	0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe	MediaCenter.exe
PID 1924 wrote to memory of 2416	1924	0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe	MediaCenter.exe
PID 1924 wrote to memory of 2416	1924	0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe	MediaCenter.exe
PID 1924 wrote to memory of 2840	1924	0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe	cmd.exe
PID 1924 wrote to memory of 2840	1924	0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe	cmd.exe
PID 1924 wrote to memory of 2840	1924	0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe	cmd.exe
PID 2840 wrote to memory of 3104	2840	cmd.exe	PING.EXE
PID 2840 wrote to memory of 3104	2840	cmd.exe	PING.EXE
PID 2840 wrote to memory of 3104	2840	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe
"C:\Users\Admin\AppData\Local\Temp\0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1924

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2416

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a72b863d931cc35a67fec4a27e9e76c67cef5732617987962f7a2b94b74f170.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2840

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3104

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3740

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:220

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:3532

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
59e64dbbeb8a3c0e7821b461bc3d1f5c

SHA1
29f23b2d15bb162277fb14c8a74c238c07fcf66f

SHA256
a24625de2236e283fafe7bfbfb92b60925743bd7b3302c5146eab958e76cc257

SHA512
b7cf37d67a448a6395e7dc25c00e53c56f1ff36e0034a964d736f2a5a0badeeff1ce3ff0c7b7fbba67b587647ad742dca372ba6b909e1bc24fdff0e13930a6f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
59e64dbbeb8a3c0e7821b461bc3d1f5c

SHA1
29f23b2d15bb162277fb14c8a74c238c07fcf66f

SHA256
a24625de2236e283fafe7bfbfb92b60925743bd7b3302c5146eab958e76cc257

SHA512
b7cf37d67a448a6395e7dc25c00e53c56f1ff36e0034a964d736f2a5a0badeeff1ce3ff0c7b7fbba67b587647ad742dca372ba6b909e1bc24fdff0e13930a6f7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads