sakula | 142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081

General

Target

142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe
Size

60KB
MD5

9334bf311d2af849e84994cf85e78d8e
SHA1

f4868bccb8fbda4299da06a40bb55a2d904df00b
SHA256

142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081
SHA512

cf03ff7817970e5d306ca786c214b16c327b6fb36f268340a01b6555bcaeaf34fc263ab1bd5d2d0af1da106f347357b19f9ebff60310f9fe4149029eee2f978c

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

1860 MediaCenter.exe

pid	process
1860	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:

142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.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"	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "0"	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\DownlinkBps = "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\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\NormalDownloadPendingCount = "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\MemoryUsageKB = "4124"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyGroupBytes = "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\Config\KVFileExpirationTime = "132892916234465726"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.433212"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.030935"	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\MonthID = "2"	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\MonthlyUploadRestriction = "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\MemoryUsageKB = "3884"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188"	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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadCount = "0"	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\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 (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

1964 PING.EXE

pid	process
1964	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe

description	pid	process
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2072	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe
Token: SeBackupPrivilege	1620	TiWorker.exe
Token: SeRestorePrivilege	1620	TiWorker.exe
Token: SeSecurityPrivilege	1620	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.execmd.exe

description	pid	process	target process
PID 2072 wrote to memory of 1860	2072	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe	MediaCenter.exe
PID 2072 wrote to memory of 1860	2072	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe	MediaCenter.exe
PID 2072 wrote to memory of 1860	2072	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe	MediaCenter.exe
PID 2072 wrote to memory of 2776	2072	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe	cmd.exe
PID 2072 wrote to memory of 2776	2072	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe	cmd.exe
PID 2072 wrote to memory of 2776	2072	142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe	cmd.exe
PID 2776 wrote to memory of 1964	2776	cmd.exe	PING.EXE
PID 2776 wrote to memory of 1964	2776	cmd.exe	PING.EXE
PID 2776 wrote to memory of 1964	2776	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe
"C:\Users\Admin\AppData\Local\Temp\142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\142e1092dddc61fd30b7be6873e87498f00bf4a50696dd395df2da6212d19081.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2776

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1964

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3020

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:2844

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:1620

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
b78723a9a9d83747b4fa1af836f6c525

SHA1
08852d4ad8e13484c6040868fd851cb1defbeb20

SHA256
1a87de0915fdaaf62babead8c416e29ae9ca5261e504697da81deae01d81485f

SHA512
1f65a1b8277656bd67ab1824424a2d7fe0b243f24f2ed6a90951bd84138f4573c6bc187023f445555ffeddd836ca369a7cb23d0ab14fdf2a6beb093c9f19dc25

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

MD5
b78723a9a9d83747b4fa1af836f6c525

SHA1
08852d4ad8e13484c6040868fd851cb1defbeb20

SHA256
1a87de0915fdaaf62babead8c416e29ae9ca5261e504697da81deae01d81485f

SHA512
1f65a1b8277656bd67ab1824424a2d7fe0b243f24f2ed6a90951bd84138f4573c6bc187023f445555ffeddd836ca369a7cb23d0ab14fdf2a6beb093c9f19dc25

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads