sakula | 1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c

General

Target

1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe
Size

58KB
MD5

20acd6673e8e4d933ba8d1718b9c28a8
SHA1

d8b031c11ffc858e801f03d52aad7c7808f2b653
SHA256

1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c
SHA512

7f473a6923fc1ec48f216a3236d169b62f9c147c352bacbe712b78040edfb71bfebd1be3c26d5889a53a5a2d010fe85c8a5d623b30e2f74ffb91f2904934546e

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1584 MediaCenter.exe

pid	process
1584	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:

1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.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"	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "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\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\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\Usage\CDNConnectionCount = "0"	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	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.500191"	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\DownlinkBps = "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\SwarmCount = "1"	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\MemoryUsageKB = "4360"	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\DownloadMonthlyLinkLocalBytes = "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\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\Config\DownloadMode_BackCompat = "1"	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\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\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\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\MemoryUsageKB = "4148"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.498527"	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\DownloadMonthlyCdnBytes = "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\Config\KVFileExpirationTime = "132892905536756169"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1976 PING.EXE

pid	process
1976	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3992	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.execmd.exe

description	pid	process	target process
PID 3992 wrote to memory of 1584	3992	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe	MediaCenter.exe
PID 3992 wrote to memory of 1584	3992	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe	MediaCenter.exe
PID 3992 wrote to memory of 1584	3992	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe	MediaCenter.exe
PID 3992 wrote to memory of 2772	3992	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe	cmd.exe
PID 3992 wrote to memory of 2772	3992	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe	cmd.exe
PID 3992 wrote to memory of 2772	3992	1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe	cmd.exe
PID 2772 wrote to memory of 1976	2772	cmd.exe	PING.EXE
PID 2772 wrote to memory of 1976	2772	cmd.exe	PING.EXE
PID 2772 wrote to memory of 1976	2772	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe
"C:\Users\Admin\AppData\Local\Temp\1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1584

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1527964a39cd45c4c78f60a83bb015c7d0e9484518731b53a03fbd18ea94102c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2772

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1976

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3100

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:616

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:3016

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
178f2cfed412bbbf9602727b5b6b5107

SHA1
2c9248e134d3ea633c69e9a5fefe62029897803d

SHA256
94ff94251744812eb65e62073789a9e6f6f4cb29d8d294acf2ddf8f7a00666e0

SHA512
126cd916be05a34743fa4e5d3a0f35322339aae908d02f6e2a4ffde1e83c7f116def827fedfe8b35e5507d1597a662c622957c4b942de79ff53514a89c8fee4c

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

MD5
178f2cfed412bbbf9602727b5b6b5107

SHA1
2c9248e134d3ea633c69e9a5fefe62029897803d

SHA256
94ff94251744812eb65e62073789a9e6f6f4cb29d8d294acf2ddf8f7a00666e0

SHA512
126cd916be05a34743fa4e5d3a0f35322339aae908d02f6e2a4ffde1e83c7f116def827fedfe8b35e5507d1597a662c622957c4b942de79ff53514a89c8fee4c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads