sakula | 0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91

General

Target

0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe
Size

80KB
MD5

1b2f8f6d930b88622f2b15dc876483d2
SHA1

5168e25d26db7688bef6c8c7637f145b5bfba4d5
SHA256

0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91
SHA512

3640a4f4b2d18e5423fc9b2436f0373775438ccdf7c4f7dc7a76be38860318ab239c5e2427e81017e922cbf938bf08e2fa83699a949113fca7f539f29dc2ad0f

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

3856 MediaCenter.exe

pid	process
3856	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:

0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.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"	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.125104"	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
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\DownloadMonthlyInternetBytes = "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\PriorityDownloadCount = "0"	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\DownloadMonthlyLinkLocalBytes = "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\DownlinkBps = "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\MemoryUsageKB = "4136"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4352"	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\SwarmCount = "1"	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\UploadRatePct = "100"	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\SwarmCount = "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\MonthID = "2"	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\MemoryUsageKB = "4332"	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\Config\KVFileExpirationTime = "132893044587621445"	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\LANConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrBps = "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\UplinkBps = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyLanBytes = "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\GroupConnectionCount = "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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.072858"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.100401"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

576 PING.EXE

pid	process
576	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1552	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe
Token: SeBackupPrivilege	3660	TiWorker.exe
Token: SeRestorePrivilege	3660	TiWorker.exe
Token: SeSecurityPrivilege	3660	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.execmd.exe

description	pid	process	target process
PID 1552 wrote to memory of 3856	1552	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe	MediaCenter.exe
PID 1552 wrote to memory of 3856	1552	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe	MediaCenter.exe
PID 1552 wrote to memory of 3856	1552	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe	MediaCenter.exe
PID 1552 wrote to memory of 212	1552	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe	cmd.exe
PID 1552 wrote to memory of 212	1552	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe	cmd.exe
PID 1552 wrote to memory of 212	1552	0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe	cmd.exe
PID 212 wrote to memory of 576	212	cmd.exe	PING.EXE
PID 212 wrote to memory of 576	212	cmd.exe	PING.EXE
PID 212 wrote to memory of 576	212	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe
"C:\Users\Admin\AppData\Local\Temp\0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3856

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b279149b9bbb72640c5263dfcff07db7bba7c3017759d67716d3257c372ab91.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:212

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:576

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3484

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:2128

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:3660

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
8b507c23b3b7e819cef9a589b253626d

SHA1
4c1d3131d4dc8bef35799cd26784343e8596d1e9

SHA256
382f656ee4e2954cc3450da2dad9aed87e55ae22e4403d94701e8703733b52d6

SHA512
c445be522d1aa2acd57119e4115dac9e0c6bb2bba6f551654c74ffacf31f8cf370a7a46e26f5fe3bac36687d850043dac28e285aa37e53e5cc6b4e602287fc6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
8b507c23b3b7e819cef9a589b253626d

SHA1
4c1d3131d4dc8bef35799cd26784343e8596d1e9

SHA256
382f656ee4e2954cc3450da2dad9aed87e55ae22e4403d94701e8703733b52d6

SHA512
c445be522d1aa2acd57119e4115dac9e0c6bb2bba6f551654c74ffacf31f8cf370a7a46e26f5fe3bac36687d850043dac28e285aa37e53e5cc6b4e602287fc6b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads