sakula | 1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6

General

Target

1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe
Size

216KB
MD5

28af1e96cfad4157b36f4738efe16f8b
SHA1

5d5da74f302f34791444c2fc1f1210d9147636a8
SHA256

1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6
SHA512

14c2c980ceadaf938fbb5d4bbd828b2f77f876ce1442314599f49fb3c00a95fe5667902fd549076ff4ad9959924e4963362d3e15e5f9203126b13ae9f1d85455

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/2840-132-0x0000000000400000-0x0000000000420000-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

2580 MediaCenter.exe

pid	process
2580	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:

1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.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"	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe

Drops file in Windows directory 1 IoCs

Processes:

TiWorker.exe

description ioc process

File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe

Modifies data under HKEY_USERS 19 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkCnt = "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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2604 PING.EXE

pid	process
2604	PING.EXE

Suspicious use of AdjustPrivilegeToken 16 IoCs

Processes:

1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2840	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.execmd.exe

description	pid	process	target process
PID 2840 wrote to memory of 2580	2840	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe	MediaCenter.exe
PID 2840 wrote to memory of 2580	2840	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe	MediaCenter.exe
PID 2840 wrote to memory of 2580	2840	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe	MediaCenter.exe
PID 2840 wrote to memory of 2556	2840	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe	cmd.exe
PID 2840 wrote to memory of 2556	2840	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe	cmd.exe
PID 2840 wrote to memory of 2556	2840	1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe	cmd.exe
PID 2556 wrote to memory of 2604	2556	cmd.exe	PING.EXE
PID 2556 wrote to memory of 2604	2556	cmd.exe	PING.EXE
PID 2556 wrote to memory of 2604	2556	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe
"C:\Users\Admin\AppData\Local\Temp\1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2580

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1396401d3c020af0e751b8365eaad590951eedaa41bc45f83ecad0f4dbc8cfd6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2556

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2604

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2276

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:2700

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
2059d4263662430af53d9002259ac61a

SHA1
7212b618c123c5b219ad95e37dbd70ac9aca457a

SHA256
92a4fbb58cb7620d1a647a0957a4344e7cdf6ac8f72b778bce921c370f77efd5

SHA512
c5f1326f00f3cf1b0c491ce08ea28f4cb4856e80a031c3849ab1923cf6ae6fd7aee14f411f45a91b47a291d3bf2b259927e36b26225cf2d600dea5fac258522c

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

MD5
2059d4263662430af53d9002259ac61a

SHA1
7212b618c123c5b219ad95e37dbd70ac9aca457a

SHA256
92a4fbb58cb7620d1a647a0957a4344e7cdf6ac8f72b778bce921c370f77efd5

SHA512
c5f1326f00f3cf1b0c491ce08ea28f4cb4856e80a031c3849ab1923cf6ae6fd7aee14f411f45a91b47a291d3bf2b259927e36b26225cf2d600dea5fac258522c

Download Submit
memory/2840-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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