sakula | 0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76

General

Target

0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe
Size

92KB
MD5

43cf60a5cd091000e55edffa2dd239d5
SHA1

942b9a262219141514f5249773cb8659c5c01ee1
SHA256

0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76
SHA512

4c5080daaff70d7bb2035bd5950773244e523f6b0fc79330c0e30aff4c817718d2ff641e05f3671c367a9ed757594a4831e06026ba25ec5ee237c3f6b24f2f14

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

3272 MediaCenter.exe

pid	process
3272	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:

0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.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"	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893043382992428"	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\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.598028"	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 = "4224"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.140161"	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\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\DownloadMonthlyRateBkCnt = "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 = "0.000000"	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\DownloadMonthlyCdnBytes = "0"	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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "0"	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 (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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4264"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\DownloadMonthlyLinkLocalBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\UploadMonthlyInternetBytes = "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\Config\DODownloadMode = "1"	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
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\NormalDownloadPendingCount = "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\DownloadMonthlyRateFrBps = "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\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 (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\CacheSizeBytes = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2420 PING.EXE

pid	process
2420	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1660	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe
Token: SeBackupPrivilege	2160	TiWorker.exe
Token: SeRestorePrivilege	2160	TiWorker.exe
Token: SeSecurityPrivilege	2160	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.execmd.exe

description	pid	process	target process
PID 1660 wrote to memory of 3272	1660	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe	MediaCenter.exe
PID 1660 wrote to memory of 3272	1660	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe	MediaCenter.exe
PID 1660 wrote to memory of 3272	1660	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe	MediaCenter.exe
PID 1660 wrote to memory of 628	1660	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe	cmd.exe
PID 1660 wrote to memory of 628	1660	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe	cmd.exe
PID 1660 wrote to memory of 628	1660	0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe	cmd.exe
PID 628 wrote to memory of 2420	628	cmd.exe	PING.EXE
PID 628 wrote to memory of 2420	628	cmd.exe	PING.EXE
PID 628 wrote to memory of 2420	628	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe
"C:\Users\Admin\AppData\Local\Temp\0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3272

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b425685ff4dc98c5c832d53763dd771baebf4bd6cd218cca4babf061a2bac76.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2420

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2144

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:2500

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:2160

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
e50b40be56363046c711381e2d5b6fb4

SHA1
a9dff8d88f9c16da4cd16565b27398348eeea45f

SHA256
8f3a8c666dc2713834a810e7e4ebb3361da010b133d9d2cd7a3cd27a3e6622cc

SHA512
e2434dec27f5ebd45be98f77b4b9bdad657ef1c8aa38393d11f4f36c19eaf2907f18eee505cdef269ce01900234e4da8047e7e4c90b76897f97890431bb7c0f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
e50b40be56363046c711381e2d5b6fb4

SHA1
a9dff8d88f9c16da4cd16565b27398348eeea45f

SHA256
8f3a8c666dc2713834a810e7e4ebb3361da010b133d9d2cd7a3cd27a3e6622cc

SHA512
e2434dec27f5ebd45be98f77b4b9bdad657ef1c8aa38393d11f4f36c19eaf2907f18eee505cdef269ce01900234e4da8047e7e4c90b76897f97890431bb7c0f0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads