sakula | 155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3

General

Target

155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe
Size

35KB
MD5

a54468dc5f6370f3ffcef33b25819733
SHA1

47f5aa6d4f62ecd3e1cd21b90afc857305af02f0
SHA256

155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3
SHA512

78b3c1cffb49f976a3e69293064db14952b47cd5a9f92a56b3dca20d4c73fe235ec97aa33e2d8e3bf8d822faef7a673cfb309accb37ebb96033d824bceea918f

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

3396 MediaCenter.exe

pid	process
3396	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:

155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.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"	155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	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

4396 PING.EXE

pid	process
4396	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	1140	svchost.exe
Token: SeCreatePagefilePrivilege	1140	svchost.exe
Token: SeShutdownPrivilege	1140	svchost.exe
Token: SeCreatePagefilePrivilege	1140	svchost.exe
Token: SeShutdownPrivilege	1140	svchost.exe
Token: SeCreatePagefilePrivilege	1140	svchost.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe
Token: SeRestorePrivilege	3928	TiWorker.exe
Token: SeSecurityPrivilege	3928	TiWorker.exe
Token: SeBackupPrivilege	3928	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.execmd.exe

description	pid	process	target process
PID 960 wrote to memory of 3396	960	155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe	MediaCenter.exe
PID 960 wrote to memory of 3396	960	155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe	MediaCenter.exe
PID 960 wrote to memory of 3396	960	155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe	MediaCenter.exe
PID 960 wrote to memory of 4336	960	155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe	cmd.exe
PID 960 wrote to memory of 4336	960	155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe	cmd.exe
PID 960 wrote to memory of 4336	960	155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe	cmd.exe
PID 4336 wrote to memory of 4396	4336	cmd.exe	PING.EXE
PID 4336 wrote to memory of 4396	4336	cmd.exe	PING.EXE
PID 4336 wrote to memory of 4396	4336	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe
"C:\Users\Admin\AppData\Local\Temp\155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:960

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3396

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\155b8f2e93ab15c2732e8a89b53fc055e9915f0605c9d0dc49110d4d12c878b3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4336

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4396

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:1140

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:3928

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
a3ce87e2bb98674d9b054a214fb5bb5a

SHA1
e6e650f5c89488a160ef993e9ccc28ecf167d860

SHA256
984da89edce7e49025105d2eb09c2824093f7605994f18c9b85a4bf95f795779

SHA512
f64dd9c8acf511d8eecb93776e76bd921075b8580f1cc635abd36168001a3365addcff0b17770fb70409fc0af962e751b481ea1a39bc1beb26740650e3c4b7e4

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

MD5
a3ce87e2bb98674d9b054a214fb5bb5a

SHA1
e6e650f5c89488a160ef993e9ccc28ecf167d860

SHA256
984da89edce7e49025105d2eb09c2824093f7605994f18c9b85a4bf95f795779

SHA512
f64dd9c8acf511d8eecb93776e76bd921075b8580f1cc635abd36168001a3365addcff0b17770fb70409fc0af962e751b481ea1a39bc1beb26740650e3c4b7e4

Download Submit
memory/1140-135-0x0000014B38B30000-0x0000014B38B40000-memory.dmp

Filesize
64KB

Download
memory/1140-136-0x0000014B38B90000-0x0000014B38BA0000-memory.dmp

Filesize
64KB

Download
memory/1140-137-0x0000014B3B8A0000-0x0000014B3B8A4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads