sakula | 06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb

General

Target

06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe
Size

89KB
MD5

7c0931e2b7476ab95ac529d2ecc18072
SHA1

920052e9cf121c69b6f9c3a5a3fb843b917f8180
SHA256

06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb
SHA512

31566d5fd35a1df3bda6daa19e116628ac57a96bc4a7993b2240f7ec963e9d5eff6d6fe03db06dcb877e775ab8abe916138183b063bc311e973c43f42fa0ff3f

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

3660 MediaCenter.exe

pid	process
3660	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:

06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.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"	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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 = "4324"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.249295"	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\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\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 = "4088"	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\Usage\UploadMonthlyInternetBytes = "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\SwarmCount = "1"	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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.054132"	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\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\DownloadMonthlyCdnBytes = "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\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\LinkLocalConnectionCount = "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\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\DownloadMonthlyCacheHostBytes = "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\Config\KVFileExpirationTime = "132893132512642197"	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
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\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\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 (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\InternetConnectionCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143187"	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 (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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.020648"	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\SwarmCount = "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\GroupConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3360 PING.EXE

pid	process
3360	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe

description	pid	process
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3768	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe
Token: SeBackupPrivilege	2532	TiWorker.exe
Token: SeRestorePrivilege	2532	TiWorker.exe
Token: SeSecurityPrivilege	2532	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.execmd.exe

description	pid	process	target process
PID 3768 wrote to memory of 3660	3768	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe	MediaCenter.exe
PID 3768 wrote to memory of 3660	3768	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe	MediaCenter.exe
PID 3768 wrote to memory of 3660	3768	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe	MediaCenter.exe
PID 3768 wrote to memory of 1028	3768	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe	cmd.exe
PID 3768 wrote to memory of 1028	3768	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe	cmd.exe
PID 3768 wrote to memory of 1028	3768	06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe	cmd.exe
PID 1028 wrote to memory of 3360	1028	cmd.exe	PING.EXE
PID 1028 wrote to memory of 3360	1028	cmd.exe	PING.EXE
PID 1028 wrote to memory of 3360	1028	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe
"C:\Users\Admin\AppData\Local\Temp\06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3768

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06bc00c52e6f2870dd80f57caea967208eeb3fbbe97ac333842de32f2efc71fb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3360

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2316

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:2580

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:2532

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
1ee1eb0d48a99facaff86b38d92fb85c

SHA1
fe0d6aa4b54486e460a062e6b6959b654f48f823

SHA256
d89e90aadb3ef5618d4cfda7e76e2414269e2e840b5bc5a4d3b4fb3e7f7bfb99

SHA512
c869fd4cd54d924fdde84553d9eeea16138e1809c753ff42c66fcc02bf43a847594ae3754e0906b330ec31a79d427e0c28ef022b01dd49e917e3e255a96bd495

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
1ee1eb0d48a99facaff86b38d92fb85c

SHA1
fe0d6aa4b54486e460a062e6b6959b654f48f823

SHA256
d89e90aadb3ef5618d4cfda7e76e2414269e2e840b5bc5a4d3b4fb3e7f7bfb99

SHA512
c869fd4cd54d924fdde84553d9eeea16138e1809c753ff42c66fcc02bf43a847594ae3754e0906b330ec31a79d427e0c28ef022b01dd49e917e3e255a96bd495

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads