sakula | 0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d

General

Target

0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe
Size

216KB
MD5

0555edc3ab0a2a7d8121e047b95eb026
SHA1

be2c00c57753173e17556071b4d1f9caedc7ad91
SHA256

0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d
SHA512

cb186360609fb931d78a1276693113bbdc8cf3e6a9bb0427d24859751584f132ebc4c856e74b6e26f1a309e67241e3d18e185140b8a23d2f27d2d4b08b49bf9c

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
behavioral2/memory/4028-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1580 MediaCenter.exe

pid	process
1580	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:

0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.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"	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.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
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
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 (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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.123457"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.666643"	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\Config\KVFileExpirationTime = "132893003913877866"	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\MonthID = "2"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "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\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\PriorityDownloadPendingCount = "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\DownloadMonthlyRateBkCnt = "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\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\MemoryUsageKB = "4096"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204"	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\Config	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.745155"	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\FrDownloadRatePct = "90"	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 (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\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\UploadMonthlyInternetBytes = "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\UplinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3420 PING.EXE

pid	process
3420	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4028	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe
Token: SeBackupPrivilege	2148	TiWorker.exe
Token: SeRestorePrivilege	2148	TiWorker.exe
Token: SeSecurityPrivilege	2148	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.execmd.exe

description	pid	process	target process
PID 4028 wrote to memory of 1580	4028	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe	MediaCenter.exe
PID 4028 wrote to memory of 1580	4028	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe	MediaCenter.exe
PID 4028 wrote to memory of 1580	4028	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe	MediaCenter.exe
PID 4028 wrote to memory of 1848	4028	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe	cmd.exe
PID 4028 wrote to memory of 1848	4028	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe	cmd.exe
PID 4028 wrote to memory of 1848	4028	0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe	cmd.exe
PID 1848 wrote to memory of 3420	1848	cmd.exe	PING.EXE
PID 1848 wrote to memory of 3420	1848	cmd.exe	PING.EXE
PID 1848 wrote to memory of 3420	1848	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe
"C:\Users\Admin\AppData\Local\Temp\0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1580

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0dfd571235583beadfefd5a2cf2e7ae2eff05ae9d7a25e0a8a1e8db819367c4d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3420

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2096

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:1136

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:2148

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
47c6850bde79a0919d00ce528017d7d1

SHA1
16c9cee7209727e5092c29c56a201cca0b005833

SHA256
2f423335819061645a19bdd6e1975ca331187fdae51480f9adecd0107fb525d5

SHA512
b724978cce772d517c1378d91200d8e24950f3d53639435ed01afdc30e8f591a046b8294c1b243eaf71c891d3c7092ae7b6d486a5d80546ba748235a8168018e

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

MD5
47c6850bde79a0919d00ce528017d7d1

SHA1
16c9cee7209727e5092c29c56a201cca0b005833

SHA256
2f423335819061645a19bdd6e1975ca331187fdae51480f9adecd0107fb525d5

SHA512
b724978cce772d517c1378d91200d8e24950f3d53639435ed01afdc30e8f591a046b8294c1b243eaf71c891d3c7092ae7b6d486a5d80546ba748235a8168018e

Download Submit
memory/4028-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads