sakula | 12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428

General

Target

12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe
Size

99KB
MD5

a0bab1a393eaaf9ff6975645dfa9534c
SHA1

8112b4f530ff8a94f5a08721e8138c92e6fae708
SHA256

12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428
SHA512

aeb2db8dcc6a9f43a6b8ed708d40f358035bce70ea4534a66da740640c0e49351fd7bfa9f4c29ba70bb7b8aa37c04f18e1d1164d063fb5674e80eb8443cd2434

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

2200 MediaCenter.exe

pid	process
2200	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:

12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.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"	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\MemoryUsageKB = "4388"	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\DownloadMonthlyGroupBytes = "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\Config\DODownloadMode = "1"	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\GroupConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\DownlinkBps = "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\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\PriorityDownloadCount = "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\DownloadMonthlyCdnBytes = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.822584"	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\DownloadMonthlyRateBkCnt = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.061100"	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\UplinkBps = "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 = "4224"	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\DownloadMonthlyCacheHostBytes = "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\SwarmCount = "1"	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\Config\KVFileExpirationTime = "132892937136717790"	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
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\DownloadMonthlyLinkLocalBytes = "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\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\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3144 PING.EXE

pid	process
3144	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3712	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe
Token: SeBackupPrivilege	1668	TiWorker.exe
Token: SeRestorePrivilege	1668	TiWorker.exe
Token: SeSecurityPrivilege	1668	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.execmd.exe

description	pid	process	target process
PID 3712 wrote to memory of 2200	3712	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe	MediaCenter.exe
PID 3712 wrote to memory of 2200	3712	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe	MediaCenter.exe
PID 3712 wrote to memory of 2200	3712	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe	MediaCenter.exe
PID 3712 wrote to memory of 312	3712	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe	cmd.exe
PID 3712 wrote to memory of 312	3712	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe	cmd.exe
PID 3712 wrote to memory of 312	3712	12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe	cmd.exe
PID 312 wrote to memory of 3144	312	cmd.exe	PING.EXE
PID 312 wrote to memory of 3144	312	cmd.exe	PING.EXE
PID 312 wrote to memory of 3144	312	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe
"C:\Users\Admin\AppData\Local\Temp\12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3712

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2200

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12c27586c103f4a4e01061a8c2b23cf73bd0ec6534275974261084bf42064428.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:312

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3144

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1604

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:3912

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:1668

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
8c3ff17f8d4f6e5bc397993f2f51c237

SHA1
082a118463c0923e9158eedc33908dbfe696a09c

SHA256
3a1452e192198a0bbb739ed1981fadafc7cb4aac91dc6be77bf313956848281d

SHA512
42b7df93162420c0f09f48aae4e074763a84756c15c097af8dcafa1a7d813282499b819c74ae965a8de8eff4da5636acef6e62c124d1689469dc6acb28828c70

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

MD5
8c3ff17f8d4f6e5bc397993f2f51c237

SHA1
082a118463c0923e9158eedc33908dbfe696a09c

SHA256
3a1452e192198a0bbb739ed1981fadafc7cb4aac91dc6be77bf313956848281d

SHA512
42b7df93162420c0f09f48aae4e074763a84756c15c097af8dcafa1a7d813282499b819c74ae965a8de8eff4da5636acef6e62c124d1689469dc6acb28828c70

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads