sakula | 0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153

General

Target

0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe
Size

58KB
MD5

6bc2cf16f200ad0b7458f4ef80ee85a4
SHA1

a15283bacc02be3b701b21353a0a105359ae22a6
SHA256

0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153
SHA512

f35105cd6fa9b0471c580fbff6aa61c240eae4dab49ac1391690b70989700c4ce2c838e18ca89206c63ed769797f14b2cdaf0a965d38c1df36a44a2961fed6af

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

2104 MediaCenter.exe

pid	process
2104	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:

0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.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"	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\DownloadMonthlyGroupBytes = "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 = "0.000000"	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\Config\DownloadMode_BackCompat = "1"	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\SwarmCount = "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\DownloadMonthlyRateBkCnt = "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\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\MonthlyUploadRestriction = "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\PeerInfoCount = "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\UploadRatePct = "100"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.614445"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893078081284769"	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\UplinkUsageBps = "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\NormalDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrCnt = "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 = "4296"	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 (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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.818221"	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\GroupConnectionCount = "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\MemoryUsageKB = "4116"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3736 PING.EXE

pid	process
3736	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3640	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe
Token: SeBackupPrivilege	3744	TiWorker.exe
Token: SeRestorePrivilege	3744	TiWorker.exe
Token: SeSecurityPrivilege	3744	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.execmd.exe

description	pid	process	target process
PID 3640 wrote to memory of 2104	3640	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe	MediaCenter.exe
PID 3640 wrote to memory of 2104	3640	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe	MediaCenter.exe
PID 3640 wrote to memory of 2104	3640	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe	MediaCenter.exe
PID 3640 wrote to memory of 1488	3640	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe	cmd.exe
PID 3640 wrote to memory of 1488	3640	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe	cmd.exe
PID 3640 wrote to memory of 1488	3640	0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe	cmd.exe
PID 1488 wrote to memory of 3736	1488	cmd.exe	PING.EXE
PID 1488 wrote to memory of 3736	1488	cmd.exe	PING.EXE
PID 1488 wrote to memory of 3736	1488	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe
"C:\Users\Admin\AppData\Local\Temp\0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3640

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2104

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a490c2b49a7ecc9e5a84e2ec50ccd3b7a570daf629eafb8831a4ebf4e684153.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3736

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2400

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:812

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:3744

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
b837b0e8d1252bc50e94a2230af01f0f

SHA1
d2d05dffd17eaa262f694f1d6b60fbda0824d298

SHA256
d8aecadcb59c9993a53b015746cd95c46f1702abb349681956a4a2aa4004283b

SHA512
63e89a506632e9112fe5348b18e1a2c911c1eecd79bbd6c2d6846b0b77add92084ca60430bd3de6b77d5a7c0af1c1056baa3684fcdf7811018d327f510dc9e31

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b837b0e8d1252bc50e94a2230af01f0f

SHA1
d2d05dffd17eaa262f694f1d6b60fbda0824d298

SHA256
d8aecadcb59c9993a53b015746cd95c46f1702abb349681956a4a2aa4004283b

SHA512
63e89a506632e9112fe5348b18e1a2c911c1eecd79bbd6c2d6846b0b77add92084ca60430bd3de6b77d5a7c0af1c1056baa3684fcdf7811018d327f510dc9e31

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads