sakula | 15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390

General

Target

15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe
Size

58KB
MD5

629d7568d5e323480598acd7f7679670
SHA1

45a2b1a92c54ceac814f63890bf1de7e44349155
SHA256

15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390
SHA512

ec94f7414c079ea57a553974c5f0de48fbff71315fd80d33716ff4ddd26b119fcd601f6d2241cd6ced1200846fe39e319c7bf920f442f33dda60d3618ccb5943

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

3228 MediaCenter.exe

pid	process
3228	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:

15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.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"	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\UploadMonthlyLanBytes = "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\UplinkUsageBps = "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\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 (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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	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\Config\KVFileExpirationTime = "132892897570230347"	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\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\DownlinkBps = "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 = "1.102926"	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\CDNConnectionCount = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3908"	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\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\MemoryUsageKB = "4196"	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\Config\DownloadMode_BackCompat = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\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\BkDownloadRatePct = "45"	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\Usage\CPUpct = "10.001831"	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\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\DownloadMonthlyRateBkBps = "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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.649358"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1396 PING.EXE

pid	process
1396	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe

description	pid	process
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3448	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.execmd.exe

description	pid	process	target process
PID 3448 wrote to memory of 3228	3448	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe	MediaCenter.exe
PID 3448 wrote to memory of 3228	3448	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe	MediaCenter.exe
PID 3448 wrote to memory of 3228	3448	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe	MediaCenter.exe
PID 3448 wrote to memory of 2396	3448	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe	cmd.exe
PID 3448 wrote to memory of 2396	3448	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe	cmd.exe
PID 3448 wrote to memory of 2396	3448	15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe	cmd.exe
PID 2396 wrote to memory of 1396	2396	cmd.exe	PING.EXE
PID 2396 wrote to memory of 1396	2396	cmd.exe	PING.EXE
PID 2396 wrote to memory of 1396	2396	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe
"C:\Users\Admin\AppData\Local\Temp\15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3228

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15794af312d736e0ec89c9f7c39c219f0abe867bc10b7131f5ae9a2cf9feb390.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2396

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1396

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:940

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:2592

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:364

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
9bf96521295c2c32033c5629f0b0b460

SHA1
4f6ea418aeb7db5aa0f7fbe3cc913033c1277a57

SHA256
e443364ea97482b90855e8b0785db29f7fe98714ceab5da65874d753726391b2

SHA512
58f97ddcca1cca4714fade77e383cf2bad7d764c5de2fa4cd3b3890489343f7831555db508be078404fee1b4277ca006cc33927496e1f61a1c2d1104961034d8

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

MD5
9bf96521295c2c32033c5629f0b0b460

SHA1
4f6ea418aeb7db5aa0f7fbe3cc913033c1277a57

SHA256
e443364ea97482b90855e8b0785db29f7fe98714ceab5da65874d753726391b2

SHA512
58f97ddcca1cca4714fade77e383cf2bad7d764c5de2fa4cd3b3890489343f7831555db508be078404fee1b4277ca006cc33927496e1f61a1c2d1104961034d8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads