sakula | 05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d

General

Target

05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe
Size

60KB
MD5

83961c4eb6aa2302be47d90cf1801e5f
SHA1

91568cf6723a454d5895484a28d77457cd115da2
SHA256

05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d
SHA512

76600de65b60d30106341cac4fbeac4bce527ff9dd0d8c062ec13d6a92d1d0a071e85da3dfb7c93a0116249995e3bf5fe4065b074c87fde4cfb7225ee9b7a2f1

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

772 MediaCenter.exe

pid	process
772	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:

05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.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"	05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4192"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4388"	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\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\LANConnectionCount = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.998189"	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
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\DownloadMonthlyLinkLocalBytes = "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\MemoryUsageKB = "3936"	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\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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893146056472154"	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 (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\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.012366"	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\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\MonthID = "2"	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\DownloadMonthlyRateFrCnt = "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\CacheSizeBytes = "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\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 = "9.000916"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\UplinkUsageBps = "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 = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4384"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2180 PING.EXE

pid	process
2180	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.execmd.exe

description	pid	process	target process
PID 1404 wrote to memory of 772	1404	05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe	MediaCenter.exe
PID 1404 wrote to memory of 772	1404	05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe	MediaCenter.exe
PID 1404 wrote to memory of 772	1404	05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe	MediaCenter.exe
PID 1404 wrote to memory of 1500	1404	05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe	cmd.exe
PID 1404 wrote to memory of 1500	1404	05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe	cmd.exe
PID 1404 wrote to memory of 1500	1404	05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe	cmd.exe
PID 1500 wrote to memory of 2180	1500	cmd.exe	PING.EXE
PID 1500 wrote to memory of 2180	1500	cmd.exe	PING.EXE
PID 1500 wrote to memory of 2180	1500	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe
"C:\Users\Admin\AppData\Local\Temp\05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:772

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05a32d54f3941c2ae46d010e424640bc277c049731c95fa4eea4942853dce02d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1500

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2180

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1492

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:2960

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:3988

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
d56ef6b474779cd4a1dc07e715ea0e4f

SHA1
34e18ceb9709195d07db0b1ff54006f4ea4beea2

SHA256
a204fda3ea17b6c0ca5d47f671587b5d5586a4c1f45528d39e1dbbe9059d1114

SHA512
a0ffda4d5ad17785c90ac65ce2b757370ea9f43cb53da7cf520868ff03655351bf0be517e89bdced29ac33676f96aa6ca2025a46fefddbf69cad341888aae2c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
d56ef6b474779cd4a1dc07e715ea0e4f

SHA1
34e18ceb9709195d07db0b1ff54006f4ea4beea2

SHA256
a204fda3ea17b6c0ca5d47f671587b5d5586a4c1f45528d39e1dbbe9059d1114

SHA512
a0ffda4d5ad17785c90ac65ce2b757370ea9f43cb53da7cf520868ff03655351bf0be517e89bdced29ac33676f96aa6ca2025a46fefddbf69cad341888aae2c0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads