sakula | 1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89

General

Target

1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe
Size

216KB
MD5

5b557f7cfeaa4ba523f9230eb744cfed
SHA1

7f9bb36366c8be4b742475b922ac6308fcee5979
SHA256

1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89
SHA512

2b21cfbbea3c73f618b160564496b7c9a6111c13a201703c8424440f718c7b4233bd0b87968a3bdf00b3d35f47b5b2952d8654ce5ca8fb2a5aabb73f8eea3850

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 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/3276-132-0x0000000000400000-0x0000000000420000-memory.dmp	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

1860 MediaCenter.exe

pid	process
1860	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:

1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.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"	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\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\CDNConnectionCount = "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\MemoryUsageKB = "4092"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.558801"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892967013069118"	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\FrDownloadRatePct = "90"	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\MonthlyUploadRestriction = "0"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.317124"	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\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\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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyLanBytes = "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\DownlinkUsageBps = "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\LANConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.060362"	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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyCdnBytes = "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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrBps = "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 (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
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\UplinkUsageBps = "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\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2960 PING.EXE

pid	process
2960	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3276	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe
Token: SeBackupPrivilege	1188	TiWorker.exe
Token: SeRestorePrivilege	1188	TiWorker.exe
Token: SeSecurityPrivilege	1188	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.execmd.exe

description	pid	process	target process
PID 3276 wrote to memory of 1860	3276	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe	MediaCenter.exe
PID 3276 wrote to memory of 1860	3276	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe	MediaCenter.exe
PID 3276 wrote to memory of 1860	3276	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe	MediaCenter.exe
PID 3276 wrote to memory of 760	3276	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe	cmd.exe
PID 3276 wrote to memory of 760	3276	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe	cmd.exe
PID 3276 wrote to memory of 760	3276	1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe	cmd.exe
PID 760 wrote to memory of 2960	760	cmd.exe	PING.EXE
PID 760 wrote to memory of 2960	760	cmd.exe	PING.EXE
PID 760 wrote to memory of 2960	760	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe
"C:\Users\Admin\AppData\Local\Temp\1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3276

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1075f7658932802758d935dc3eb0f1c9cb279f1c87272ec3371ce75352e8aa89.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:760

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2960

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1548

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:3876

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:1188

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
aee24433a31d523e7b8d47d5f60b9e54

SHA1
e6e75357c02aaeb86183689409391fb4161bd4c1

SHA256
b11022b1a37444a2c4adec8556020b4b5220098ff490859b457462528fd13a3f

SHA512
89c16e1c25b81776e78be2d556f6ab8e7026f3186c6778cfd51aafab487518857a9c00d78b19336e7e2d225921564e6876873706cc2ad7c8e23ee88370beca7d

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

MD5
aee24433a31d523e7b8d47d5f60b9e54

SHA1
e6e75357c02aaeb86183689409391fb4161bd4c1

SHA256
b11022b1a37444a2c4adec8556020b4b5220098ff490859b457462528fd13a3f

SHA512
89c16e1c25b81776e78be2d556f6ab8e7026f3186c6778cfd51aafab487518857a9c00d78b19336e7e2d225921564e6876873706cc2ad7c8e23ee88370beca7d

Download Submit
memory/3276-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads