sakula | 162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27

General

Target

162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe
Size

150KB
MD5

8d36c2e84a7be81028e31891317b3f68
SHA1

dcf12e97cc04a7bda2be0bcf04355e3a235f6f06
SHA256

162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27
SHA512

76bd0cd35b939e6cac7edab14aec09806e0fe68152cc57f34003513e7fb8b6086eea13932997f7cf889797ba0f1590383c95b2539984eef720d0acbda8509e14

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

2584 MediaCenter.exe

pid	process
2584	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:

162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.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"	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\Config	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 (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\MonthID = "2"	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 = "0.007867"	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\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\MemoryUsageKB = "4100"	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\UploadMonthlyLanBytes = "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\CacheSizeBytes = "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\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\DownloadMonthlyRateBkBps = "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
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 = "0.124172"	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\DownloadMonthlyRateBkCnt = "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\DownlinkUsageBps = "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\MemoryUsageKB = "4304"	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\DownloadMonthlyGroupBytes = "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 (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\MemoryUsageKB = "4028"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.305722"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892886075940720"	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 (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\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2032 PING.EXE

pid	process
2032	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe

description	pid	process
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1280	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.execmd.exe

description	pid	process	target process
PID 1280 wrote to memory of 2584	1280	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe	MediaCenter.exe
PID 1280 wrote to memory of 2584	1280	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe	MediaCenter.exe
PID 1280 wrote to memory of 2584	1280	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe	MediaCenter.exe
PID 1280 wrote to memory of 3048	1280	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe	cmd.exe
PID 1280 wrote to memory of 3048	1280	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe	cmd.exe
PID 1280 wrote to memory of 3048	1280	162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe	cmd.exe
PID 3048 wrote to memory of 2032	3048	cmd.exe	PING.EXE
PID 3048 wrote to memory of 2032	3048	cmd.exe	PING.EXE
PID 3048 wrote to memory of 2032	3048	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe
"C:\Users\Admin\AppData\Local\Temp\162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2584

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\162bddbfa5a92bc37fd90783e9ea5d296c6fdb699a552cca5beecd88aad57c27.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3048

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2032

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3836

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:3448

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:2356

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
6a3d8a6acd171b121fc205ac9f976df2

SHA1
0ebac6944760c120d28842b9ce88861723265e8b

SHA256
2491fc22ae689a23b0dab517be9590290f9960de31418ad69f6231ffb18173f3

SHA512
eeb93fa8e19cc2e6b0c512419e150fc36b5c81e1646282b5caccd929390c32cc56f01e0354bf02d7ad24b480a259bd0b37ec304446db687d8d31359a1f6ac55d

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

MD5
6a3d8a6acd171b121fc205ac9f976df2

SHA1
0ebac6944760c120d28842b9ce88861723265e8b

SHA256
2491fc22ae689a23b0dab517be9590290f9960de31418ad69f6231ffb18173f3

SHA512
eeb93fa8e19cc2e6b0c512419e150fc36b5c81e1646282b5caccd929390c32cc56f01e0354bf02d7ad24b480a259bd0b37ec304446db687d8d31359a1f6ac55d

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads