sakula | 0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e

General

Target

0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe
Size

89KB
MD5

0508cec88a289daa818d242564ee58ad
SHA1

c6263e2a4727155719e07b30bb91faa6944eb41d
SHA256

0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e
SHA512

6f926dab35b3184a3f0b6048199e4e23e768b80c0d03bae88bf1c56e92c374c84b82f6cb931e59d358bc2d5e8e424e4091b22df116d2ad3516081a1a362106a8

Score

10^/10

sakula persistence rat suricata trojan

Malware Config

Signatures

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

Sakula Payload 2 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1500 MediaCenter.exe

pid	process
1500	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:

0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.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"	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.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
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\DownloadMonthlyLinkLocalBytes = "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\UploadCount = "0"	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\Config\DODownloadMode = "1"	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\UplinkUsageBps = "0"	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 = "0.765305"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.325728"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "20.001946"	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\PeerInfoCount = "0"	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\Config\DownloadMode_BackCompat = "1"	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\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\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\MemoryUsageKB = "4144"	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\DownloadMonthlyRateFrBps = "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\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\DownloadMonthlyInternetBytes = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893037598228899"	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\DownlinkBps = "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	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1816 PING.EXE

pid	process
1816	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe

description	pid	process
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2984	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe
Token: SeBackupPrivilege	2164	TiWorker.exe
Token: SeRestorePrivilege	2164	TiWorker.exe
Token: SeSecurityPrivilege	2164	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.execmd.exe

description	pid	process	target process
PID 2984 wrote to memory of 1500	2984	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe	MediaCenter.exe
PID 2984 wrote to memory of 1500	2984	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe	MediaCenter.exe
PID 2984 wrote to memory of 1500	2984	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe	MediaCenter.exe
PID 2984 wrote to memory of 4012	2984	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe	cmd.exe
PID 2984 wrote to memory of 4012	2984	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe	cmd.exe
PID 2984 wrote to memory of 4012	2984	0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe	cmd.exe
PID 4012 wrote to memory of 1816	4012	cmd.exe	PING.EXE
PID 4012 wrote to memory of 1816	4012	cmd.exe	PING.EXE
PID 4012 wrote to memory of 1816	4012	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe
"C:\Users\Admin\AppData\Local\Temp\0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1500

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b8728bfa7531e335ed40a79f04c18bffeb4e36e3b14d37ae9aa75887843780e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1816

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2580

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:4092

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:2164

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
e7ec1fe788f384e3f7b8c20226f5e976

SHA1
c3d1522f9d8be675c1b5036dc0d50aefe6518be1

SHA256
b920aa2dd649541cc262a441e6eb8673e2f8b7d62a65025236997a48d1b56b80

SHA512
fd583535cd49c2bbe5ca1eaa44238b17250f6f7bf89af6d95abea24a29e8e61671316dda1970b81d41c4c83b0282a778f75064413b99cb5a033104f1e9cdcd28

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

MD5
e7ec1fe788f384e3f7b8c20226f5e976

SHA1
c3d1522f9d8be675c1b5036dc0d50aefe6518be1

SHA256
b920aa2dd649541cc262a441e6eb8673e2f8b7d62a65025236997a48d1b56b80

SHA512
fd583535cd49c2bbe5ca1eaa44238b17250f6f7bf89af6d95abea24a29e8e61671316dda1970b81d41c4c83b0282a778f75064413b99cb5a033104f1e9cdcd28

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads