sakula | 1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5

General

Target

1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe
Size

100KB
MD5

eedb665cb1073b4cbbb81d73b3af4726
SHA1

57e65b9336863ddd41a3eb393d9341b990f9dfef
SHA256

1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5
SHA512

3a45e9f976d8ad319b04316156ce167ede2b63cf8257c98a19b8c30c14deb7b624b11936dbe6fcf0851c908e54ea2a5787fd754dcb6c71f49cabe5fcee320e16

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

3160 MediaCenter.exe

pid	process
3160	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:

1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.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"	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.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 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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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
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 = "4112"	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\DownloadMonthlyLinkLocalBytes = "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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.397239"	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\LANConnectionCount = "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\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 (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\MonthlyUploadRestriction = "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\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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892883010396166"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.442492"	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\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\NormalDownloadCount = "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\MemoryUsageKB = "4216"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\DownlinkUsageBps = "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 = "4232"	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 = "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\UploadMonthlyLanBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3056 PING.EXE

pid	process
3056	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2112	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe
Token: SeBackupPrivilege	3008	TiWorker.exe
Token: SeRestorePrivilege	3008	TiWorker.exe
Token: SeSecurityPrivilege	3008	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.execmd.exe

description	pid	process	target process
PID 2112 wrote to memory of 3160	2112	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe	MediaCenter.exe
PID 2112 wrote to memory of 3160	2112	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe	MediaCenter.exe
PID 2112 wrote to memory of 3160	2112	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe	MediaCenter.exe
PID 2112 wrote to memory of 3940	2112	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe	cmd.exe
PID 2112 wrote to memory of 3940	2112	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe	cmd.exe
PID 2112 wrote to memory of 3940	2112	1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe	cmd.exe
PID 3940 wrote to memory of 3056	3940	cmd.exe	PING.EXE
PID 3940 wrote to memory of 3056	3940	cmd.exe	PING.EXE
PID 3940 wrote to memory of 3056	3940	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe
"C:\Users\Admin\AppData\Local\Temp\1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3160

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1678b58b7acde863eaa48efe75de5a72003b2b3692ea5db3e9802d6cfb7fc7e5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3940

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3056

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3328

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:2516

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:3008

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
ed837dfe41a6d6b2b781a048b827e7d6

SHA1
10354d187800f813b3ef5725c272a5f97bc95618

SHA256
a2a58830bcd1fb023a6d7ce0bbee026cec9692af1320e80b61d3a5ed5becfdb7

SHA512
c4e592e3b23751be80f8b66111b5d389e736913a65a41328a55823cf1d7a11989d366fad8f99eec2a0d2aae8b38e642112c83aac04dc68447489f13819c64108

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

MD5
ed837dfe41a6d6b2b781a048b827e7d6

SHA1
10354d187800f813b3ef5725c272a5f97bc95618

SHA256
a2a58830bcd1fb023a6d7ce0bbee026cec9692af1320e80b61d3a5ed5becfdb7

SHA512
c4e592e3b23751be80f8b66111b5d389e736913a65a41328a55823cf1d7a11989d366fad8f99eec2a0d2aae8b38e642112c83aac04dc68447489f13819c64108

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads