sakula | 1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21

General

Target

1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe
Size

176KB
MD5

0408b18c8a06aa389ed0cd78a38d5972
SHA1

77e6945f041475da1cc66a43c66ef15900c01181
SHA256

1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21
SHA512

defab5ff5c32b8a193d3c24cedfdfd409c122fe1af5d29097b738c0bc78249d1b360b315e5cd6584dca951b7912dca3d9e9e1e14a13419926fdc406954b9711a

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 4 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/1468-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/1248-136-0x0000000000400000-0x0000000000420000-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

1248 MediaCenter.exe

pid	process
1248	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:

1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.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"	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	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
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2284 PING.EXE

pid	process
2284	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	2684	svchost.exe
Token: SeCreatePagefilePrivilege	2684	svchost.exe
Token: SeShutdownPrivilege	2684	svchost.exe
Token: SeCreatePagefilePrivilege	2684	svchost.exe
Token: SeShutdownPrivilege	2684	svchost.exe
Token: SeCreatePagefilePrivilege	2684	svchost.exe
Token: SeIncBasePriorityPrivilege	1468	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe
Token: SeBackupPrivilege	1312	TiWorker.exe
Token: SeRestorePrivilege	1312	TiWorker.exe
Token: SeSecurityPrivilege	1312	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.execmd.exe

description	pid	process	target process
PID 1468 wrote to memory of 1248	1468	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe	MediaCenter.exe
PID 1468 wrote to memory of 1248	1468	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe	MediaCenter.exe
PID 1468 wrote to memory of 1248	1468	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe	MediaCenter.exe
PID 1468 wrote to memory of 1068	1468	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe	cmd.exe
PID 1468 wrote to memory of 1068	1468	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe	cmd.exe
PID 1468 wrote to memory of 1068	1468	1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe	cmd.exe
PID 1068 wrote to memory of 2284	1068	cmd.exe	PING.EXE
PID 1068 wrote to memory of 2284	1068	cmd.exe	PING.EXE
PID 1068 wrote to memory of 2284	1068	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe
"C:\Users\Admin\AppData\Local\Temp\1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1248

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1671a4f7b8ac2d46a4477cfd5521899373c10998566871cde055b875f8507a21.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1068

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2284

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2684

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:1312

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
7e2b6a220fdf2eb12c78755ca7ed04e4

SHA1
0d391c803df81b6c0cc52e646825d52f2794d94c

SHA256
f4734d7a7084675939026b2c6f35886403b9eaebc8f7c57ee8db5a32bd3666d6

SHA512
72d5604efdc9036b701b09c2604f219c28c912185f1ea7c9fecdd06195763ab04c354bbde9da98a44d50f9e295d4dff11384936680b846b75ee62b6f9ebf915f

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

MD5
7e2b6a220fdf2eb12c78755ca7ed04e4

SHA1
0d391c803df81b6c0cc52e646825d52f2794d94c

SHA256
f4734d7a7084675939026b2c6f35886403b9eaebc8f7c57ee8db5a32bd3666d6

SHA512
72d5604efdc9036b701b09c2604f219c28c912185f1ea7c9fecdd06195763ab04c354bbde9da98a44d50f9e295d4dff11384936680b846b75ee62b6f9ebf915f

Download Submit
memory/1248-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1468-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2684-132-0x000001C21D950000-0x000001C21D960000-memory.dmp

Filesize
64KB

Download
memory/2684-133-0x000001C21E020000-0x000001C21E030000-memory.dmp

Filesize
64KB

Download
memory/2684-134-0x000001C2206D0000-0x000001C2206D4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads