sakula | 06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d

General

Target

06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe
Size

58KB
MD5

0478e741edadc55f40f508504e338a4f
SHA1

a1bd15b62e9d7d1351ca06c03ea55a976b52f5a7
SHA256

06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d
SHA512

4948f446e451ab42a8f6d4b40854c02987c08b6297d1d8f71c0dde03d974ca228da1256f6781e90facd443a8ee25520b7ce73a8bb32246945988982894d4caf0

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

3888 MediaCenter.exe

pid	process
3888	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:

06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.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"	06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\NormalDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "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\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\DownloadMonthlyCdnBytes = "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\Config\DODownloadMode = "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\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\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\NormalDownloadCount = "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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.164880"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	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\DownloadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893133511422222"	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\MemoryUsageKB = "4096"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.042123"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	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\DownloadMonthlyInternetBytes = "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\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\UplinkBps = "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\MonthlyUploadRestriction = "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 = "3.448296"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3564 PING.EXE

pid	process
3564	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.execmd.exe

description	pid	process	target process
PID 220 wrote to memory of 3888	220	06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe	MediaCenter.exe
PID 220 wrote to memory of 3888	220	06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe	MediaCenter.exe
PID 220 wrote to memory of 3888	220	06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe	MediaCenter.exe
PID 220 wrote to memory of 2312	220	06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe	cmd.exe
PID 220 wrote to memory of 2312	220	06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe	cmd.exe
PID 220 wrote to memory of 2312	220	06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe	cmd.exe
PID 2312 wrote to memory of 3564	2312	cmd.exe	PING.EXE
PID 2312 wrote to memory of 3564	2312	cmd.exe	PING.EXE
PID 2312 wrote to memory of 3564	2312	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe
"C:\Users\Admin\AppData\Local\Temp\06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:220

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3888

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06a8d98cb91c66cd5be42bcbae18727ca8cd449d9e56b53df5fd27c2b5ec157d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2312

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3564

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3192

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:3424

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:3636

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
aab2fe05ec4cf76f885002b4f8612f3c

SHA1
b6452964e867fe54fb44f532c8a4cd4318784ed2

SHA256
0bc6b50aca2c2c152e60e24a75ca21604d0050436368bf4bbbdd63cf81c082f4

SHA512
0bd0211e43ce9e90dc3ac7bb0a7bea7705fae45ea9e4a2bfd5f38d7209a8358ea4a1c3f759d20b3b9bf9bd99e49faad68587d9b6845b9d99cbef7ea17aee4dd1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
aab2fe05ec4cf76f885002b4f8612f3c

SHA1
b6452964e867fe54fb44f532c8a4cd4318784ed2

SHA256
0bc6b50aca2c2c152e60e24a75ca21604d0050436368bf4bbbdd63cf81c082f4

SHA512
0bd0211e43ce9e90dc3ac7bb0a7bea7705fae45ea9e4a2bfd5f38d7209a8358ea4a1c3f759d20b3b9bf9bd99e49faad68587d9b6845b9d99cbef7ea17aee4dd1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads