sakula | 106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b

General

Target

106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe
Size

36KB
MD5

baac3d7e38f0cea6b00a3a40899c15a0
SHA1

c589f16cd750c6849aed592278e2c2ca9f8ddaae
SHA256

106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b
SHA512

a791324216d3df83186cc4bacfa290d0e7180812a118d95859f80a647eef61a9edb95417665478356f065f136428a977b06ff7046c77925fb9e69299d3f316ac

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

1916 MediaCenter.exe

pid	process
1916	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:

106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.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"	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "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\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 (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\DownloadMonthlyGroupBytes = "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\SwarmCount = "1"	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\LinkLocalConnectionCount = "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\UplinkBps = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.818157"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184"	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\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.333612"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.030357"	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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	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
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\NormalDownloadCount = "0"	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\Config	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 = "132892967794447304"	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\DownlinkBps = "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\UploadRatePct = "100"	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\DownloadMonthlyRateBkCnt = "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\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\DownloadMonthlyCacheHostBytes = "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\CacheSizeBytes = "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\FrDownloadRatePct = "90"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3928 PING.EXE

pid	process
3928	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe

description	pid	process
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3700	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.execmd.exe

description	pid	process	target process
PID 3700 wrote to memory of 1916	3700	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe	MediaCenter.exe
PID 3700 wrote to memory of 1916	3700	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe	MediaCenter.exe
PID 3700 wrote to memory of 1916	3700	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe	MediaCenter.exe
PID 3700 wrote to memory of 912	3700	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe	cmd.exe
PID 3700 wrote to memory of 912	3700	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe	cmd.exe
PID 3700 wrote to memory of 912	3700	106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe	cmd.exe
PID 912 wrote to memory of 3928	912	cmd.exe	PING.EXE
PID 912 wrote to memory of 3928	912	cmd.exe	PING.EXE
PID 912 wrote to memory of 3928	912	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe
"C:\Users\Admin\AppData\Local\Temp\106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3700

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1916

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\106cff2f0600524e83e35a39f054107c1e979b6476430d954aa284bca9fb380b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3928

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3448

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:2604

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:2608

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
51eb788a2188783bc063ba0bfec70114

SHA1
40210a3dfc45abaf0eeecd056d9893d895d0f8b7

SHA256
3ec9ad7afd691803ecfb7c670b7fc1b7b9ecb84f35ba88b94e5e3fa6ed3c614e

SHA512
7d3cdf387766ca0b816042ae5376809b3f4196d9697d61466b2549bb1b2f3bdf64e2a6f49b213278f006c95bacbdebeb97c8bee8bf96bae371985beb7e00b665

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

MD5
51eb788a2188783bc063ba0bfec70114

SHA1
40210a3dfc45abaf0eeecd056d9893d895d0f8b7

SHA256
3ec9ad7afd691803ecfb7c670b7fc1b7b9ecb84f35ba88b94e5e3fa6ed3c614e

SHA512
7d3cdf387766ca0b816042ae5376809b3f4196d9697d61466b2549bb1b2f3bdf64e2a6f49b213278f006c95bacbdebeb97c8bee8bf96bae371985beb7e00b665

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads