sakula | 179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3

General

Target

179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe
Size

101KB
MD5

f5a1aae9180bfc2b94e107c28137ed02
SHA1

0f036369680bc684eefd7ff3ab246f32d394ba27
SHA256

179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3
SHA512

102fa17d91a079dccb18818feb6a841becd5071f3dbd6ac931252bfaea09cae6c2bacd73adcbd809c42809ef81155482110e12a6d691353bde84dd141b5a15a2

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

1112 MediaCenter.exe

pid	process
1112	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:

179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.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"	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 48 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\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\InternetConnectionCount = "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\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\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 (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 (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 = "4136"	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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyLinkLocalBytes = "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\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\DownlinkUsageBps = "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\UploadMonthlyLanBytes = "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\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\MemoryUsageKB = "4240"	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\DownloadMonthlyRateBkCnt = "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\FrDownloadRatePct = "90"	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\SwarmCount = "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\GroupConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.241255"	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\Config\KVFileExpirationTime = "132892866759076915"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2204 PING.EXE

pid	process
2204	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1232	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe
Token: SeBackupPrivilege	2100	TiWorker.exe
Token: SeRestorePrivilege	2100	TiWorker.exe
Token: SeSecurityPrivilege	2100	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.execmd.exe

description	pid	process	target process
PID 1232 wrote to memory of 1112	1232	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe	MediaCenter.exe
PID 1232 wrote to memory of 1112	1232	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe	MediaCenter.exe
PID 1232 wrote to memory of 1112	1232	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe	MediaCenter.exe
PID 1232 wrote to memory of 964	1232	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe	cmd.exe
PID 1232 wrote to memory of 964	1232	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe	cmd.exe
PID 1232 wrote to memory of 964	1232	179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe	cmd.exe
PID 964 wrote to memory of 2204	964	cmd.exe	PING.EXE
PID 964 wrote to memory of 2204	964	cmd.exe	PING.EXE
PID 964 wrote to memory of 2204	964	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe
"C:\Users\Admin\AppData\Local\Temp\179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\179158835971a436bd772b42e8722789bbe0b5834526fe63ead565eb4bf278d3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2204

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1968

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:4048

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:2100

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
9e4be56473f1b37ee8f2d633c62fded0

SHA1
c221d2293379145a0cbd113ccf572f8bcedf6f5e

SHA256
fc63b10d8ca37dd98a7a1a047c24dc2aa008f44b6182f9fc7f571926ee843d88

SHA512
53922e388f7ff9a5473e89c2ad98512b8383c9e50502a018a6ed00e7a73820b4f1c35ccf466132e472be26fcfe513901ac1888ca25e8580a2930a81f9b0cbdaa

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

MD5
9e4be56473f1b37ee8f2d633c62fded0

SHA1
c221d2293379145a0cbd113ccf572f8bcedf6f5e

SHA256
fc63b10d8ca37dd98a7a1a047c24dc2aa008f44b6182f9fc7f571926ee843d88

SHA512
53922e388f7ff9a5473e89c2ad98512b8383c9e50502a018a6ed00e7a73820b4f1c35ccf466132e472be26fcfe513901ac1888ca25e8580a2930a81f9b0cbdaa

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads