sakula | 0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98

General

Target

0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe
Size

80KB
MD5

c8a4717901a7634eef0497c644831e88
SHA1

b1332b4cec42579f5ddd8cbbf4fcb677fc435658
SHA256

0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98
SHA512

80373c501eeeb63282a525fbe88e7b6220c4b001b5473ee02a6dbc1412d85427e34796ab1692fc8ac3e3dad7e18b062b6372891de9421d50a5cac57f5f6a85f2

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

2788 MediaCenter.exe

pid	process
2788	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:

0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.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"	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	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\SwarmCount = "1"	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\DownloadMonthlyLinkLocalBytes = "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\PeerInfoCount = "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\UploadCount = "0"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.058823"	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\DownloadMonthlyCdnBytes = "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\LinkLocalConnectionCount = "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\UploadMonthlyLanBytes = "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\CDNConnectionCount = "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\Config\KVFileExpirationTime = "132893038012295669"	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\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 (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\DownloadMonthlyInternetBytes = "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\MonthlyUploadRestriction = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.330155"	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	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\DownloadMonthlyGroupBytes = "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\DownlinkBps = "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\NormalDownloadCount = "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\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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 (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\DownloadMonthlyRateFrBps = "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

2612 PING.EXE

pid	process
2612	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	352	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.execmd.exe

description	pid	process	target process
PID 352 wrote to memory of 2788	352	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe	MediaCenter.exe
PID 352 wrote to memory of 2788	352	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe	MediaCenter.exe
PID 352 wrote to memory of 2788	352	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe	MediaCenter.exe
PID 352 wrote to memory of 1440	352	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe	cmd.exe
PID 352 wrote to memory of 1440	352	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe	cmd.exe
PID 352 wrote to memory of 1440	352	0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe	cmd.exe
PID 1440 wrote to memory of 2612	1440	cmd.exe	PING.EXE
PID 1440 wrote to memory of 2612	1440	cmd.exe	PING.EXE
PID 1440 wrote to memory of 2612	1440	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe
"C:\Users\Admin\AppData\Local\Temp\0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:352

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2788

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b863671f0f9d1236c737e8b5fb89ff3f9e0748094c12ed44837d6a60ad59b98.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2612

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3160

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:628

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:3088

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
1f65c53604cbaaa7d55e24b5e5ebda81

SHA1
36d9ad389374b6ff53f1b129c9f214f03122e6ef

SHA256
4c4c2e6ced2a1faf7283c65d7d1e2688b35dfa976470367d44f233eca00545b2

SHA512
7ec5493e422925a289985300b474f34e639ce3555d03d7a944de594f1ab578987bdd8f895c8f8367c1f8ecfc90fcb34c90681c205f8a1abe248abc5084f8ffa3

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

MD5
1f65c53604cbaaa7d55e24b5e5ebda81

SHA1
36d9ad389374b6ff53f1b129c9f214f03122e6ef

SHA256
4c4c2e6ced2a1faf7283c65d7d1e2688b35dfa976470367d44f233eca00545b2

SHA512
7ec5493e422925a289985300b474f34e639ce3555d03d7a944de594f1ab578987bdd8f895c8f8367c1f8ecfc90fcb34c90681c205f8a1abe248abc5084f8ffa3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads