sakula | 0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5

General

Target

0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe
Size

113KB
MD5

9f4180abfd450e78382b42d42583b16f
SHA1

137122468b9060957bc896b250c74f42e064c3fd
SHA256

0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5
SHA512

c49743205e25495fa58521e280a231409570f98fbd39fc93afb933595df512ae7848375b34b2f990892ca576d27adf727cfbe8c1641fb18cc2ebd94a1ab3f2b5

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 3 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
behavioral2/memory/3880-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

860 MediaCenter.exe

pid	process
860	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:

0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.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"	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.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 49 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 = "132893041400358082"	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\DownlinkUsageBps = "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\FrDownloadRatePct = "90"	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
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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\DODownloadMode = "1"	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\MemoryUsageKB = "4100"	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\UploadCount = "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 = "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\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\LinkLocalConnectionCount = "0"	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 = "1.212123"	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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkBps = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\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\UploadMonthlyLanBytes = "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 (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 (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
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\CacheSizeBytes = "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 = "1.098899"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1960 PING.EXE

pid	process
1960	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe

description	pid	process
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3880	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe
Token: SeBackupPrivilege	2596	TiWorker.exe
Token: SeRestorePrivilege	2596	TiWorker.exe
Token: SeSecurityPrivilege	2596	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.execmd.exe

description	pid	process	target process
PID 3880 wrote to memory of 860	3880	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe	MediaCenter.exe
PID 3880 wrote to memory of 860	3880	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe	MediaCenter.exe
PID 3880 wrote to memory of 860	3880	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe	MediaCenter.exe
PID 3880 wrote to memory of 784	3880	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe	cmd.exe
PID 3880 wrote to memory of 784	3880	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe	cmd.exe
PID 3880 wrote to memory of 784	3880	0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe	cmd.exe
PID 784 wrote to memory of 1960	784	cmd.exe	PING.EXE
PID 784 wrote to memory of 1960	784	cmd.exe	PING.EXE
PID 784 wrote to memory of 1960	784	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe
"C:\Users\Admin\AppData\Local\Temp\0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3880

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b4c0ae5e93057fef7623949e594df84a5b6dbc36b19ddbe94a6259a32a63da5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1960

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2484

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:3180

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:2596

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
4910de350e772fbb56c16736e3e0a191

SHA1
8bd16906ba4f6f17887ace282cd0c7a6ce65dffd

SHA256
6192699d8c9d2c479abc74777c03c19bc2509d0f82d11d5b011fa36e4847119e

SHA512
9f3c36b73edfd48e30f7538d874ec9ab51e514f71978c5264f7885c71cf7b7535a8d625ab6d914f8788d353edb0b2c3bf0d34cc8cbedae43bf8b119ea822014c

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

MD5
4910de350e772fbb56c16736e3e0a191

SHA1
8bd16906ba4f6f17887ace282cd0c7a6ce65dffd

SHA256
6192699d8c9d2c479abc74777c03c19bc2509d0f82d11d5b011fa36e4847119e

SHA512
9f3c36b73edfd48e30f7538d874ec9ab51e514f71978c5264f7885c71cf7b7535a8d625ab6d914f8788d353edb0b2c3bf0d34cc8cbedae43bf8b119ea822014c

Download Submit
memory/3880-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads