sakula | 132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1

General

Target

132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe
Size

60KB
MD5

37119a8b44ea74313e7f543a737c3c5e
SHA1

a6b3e4b5e5553e98ac66dd77858eff5b9535ae1f
SHA256

132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1
SHA512

15758024dcd3736f88fb062e25e55210970acb470c7b63fb144b5ce0048227f02c8259e65e1a41575458c3030e1df06ec488235ab9a61b2a6fd2f4e2d2273171

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

808 MediaCenter.exe

pid	process
808	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:

132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.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"	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\SwarmCount = "0"	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\DownloadMonthlyGroupBytes = "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\CacheSizeBytes = "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\NormalDownloadPendingCount = "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\DownloadMonthlyRateBkCnt = "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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.057078"	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\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\PriorityDownloadCount = "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 = "1.140696"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\MemoryUsageKB = "4120"	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\Config\DODownloadMode = "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\CDNConnectionCount = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrBps = "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\SwarmCount = "1"	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\DownloadMonthlyRateFrCnt = "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\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\MemoryUsageKB = "4312"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.163666"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892931452576585"	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\DownlinkUsageBps = "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

3460 PING.EXE

pid	process
3460	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1384	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe
Token: SeBackupPrivilege	3424	TiWorker.exe
Token: SeRestorePrivilege	3424	TiWorker.exe
Token: SeSecurityPrivilege	3424	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.execmd.exe

description	pid	process	target process
PID 1384 wrote to memory of 808	1384	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe	MediaCenter.exe
PID 1384 wrote to memory of 808	1384	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe	MediaCenter.exe
PID 1384 wrote to memory of 808	1384	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe	MediaCenter.exe
PID 1384 wrote to memory of 1608	1384	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe	cmd.exe
PID 1384 wrote to memory of 1608	1384	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe	cmd.exe
PID 1384 wrote to memory of 1608	1384	132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe	cmd.exe
PID 1608 wrote to memory of 3460	1608	cmd.exe	PING.EXE
PID 1608 wrote to memory of 3460	1608	cmd.exe	PING.EXE
PID 1608 wrote to memory of 3460	1608	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe
"C:\Users\Admin\AppData\Local\Temp\132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\132b656faccc6306e3c1c057dfca8c3e67e5bd23cc6375eb27949d1d6e2dcff1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3460

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3384

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:1020

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:3424

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
0bb4156d54fb7681ba78a05999a8a324

SHA1
ede1873ae8684beab41b37521f99808628d4eec5

SHA256
62a92ce6227aeb383969b8b012f241ee13c82c77e383ab2608afa24570ec9e29

SHA512
a0e0a4b0eab550cd418c34c920f87fe9027de249a78cdc52068873c43d793740eb9d50ab00744c2614ee20012d273a8169f59cfd6d37dcb1e8c1c806a1cb648f

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

MD5
0bb4156d54fb7681ba78a05999a8a324

SHA1
ede1873ae8684beab41b37521f99808628d4eec5

SHA256
62a92ce6227aeb383969b8b012f241ee13c82c77e383ab2608afa24570ec9e29

SHA512
a0e0a4b0eab550cd418c34c920f87fe9027de249a78cdc52068873c43d793740eb9d50ab00744c2614ee20012d273a8169f59cfd6d37dcb1e8c1c806a1cb648f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads