sakula | 137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539

General

Target

137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe
Size

80KB
MD5

31d097e64397c2a0ac42f153fdeb1637
SHA1

6d6d7d58682f535a7f68020dc210a59e28d4c467
SHA256

137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539
SHA512

8b88c9404baaf9154988f03e3e00aa7ffe34440b4253ec7f839ceab28919583746de1383c16452ed2088c863244bc165ded2afbc9885e51742448f183bc60ea1

Score

10^/10

sakula persistence rat 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

5092 MediaCenter.exe

pid	process
5092	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:

137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.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"	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
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

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

3592 PING.EXE

pid	process
3592	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe

description	pid	process
Token: SeShutdownPrivilege	2760	svchost.exe
Token: SeCreatePagefilePrivilege	2760	svchost.exe
Token: SeShutdownPrivilege	2760	svchost.exe
Token: SeCreatePagefilePrivilege	2760	svchost.exe
Token: SeShutdownPrivilege	2760	svchost.exe
Token: SeCreatePagefilePrivilege	2760	svchost.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeIncBasePriorityPrivilege	460	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe
Token: SeBackupPrivilege	1868	TiWorker.exe
Token: SeRestorePrivilege	1868	TiWorker.exe
Token: SeSecurityPrivilege	1868	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.execmd.exe

description	pid	process	target process
PID 460 wrote to memory of 5092	460	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe	MediaCenter.exe
PID 460 wrote to memory of 5092	460	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe	MediaCenter.exe
PID 460 wrote to memory of 5092	460	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe	MediaCenter.exe
PID 460 wrote to memory of 4360	460	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe	cmd.exe
PID 460 wrote to memory of 4360	460	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe	cmd.exe
PID 460 wrote to memory of 4360	460	137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe	cmd.exe
PID 4360 wrote to memory of 3592	4360	cmd.exe	PING.EXE
PID 4360 wrote to memory of 3592	4360	cmd.exe	PING.EXE
PID 4360 wrote to memory of 3592	4360	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe
"C:\Users\Admin\AppData\Local\Temp\137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:460

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:5092

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\137e81f18748ec11162af40765641972358c8bd9d95644acc7062863bdabd539.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4360

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3592

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:2760

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:1868

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
c8780d17acb772348a97c8abbe03ef16

SHA1
531ed43e7a0b0a2c13df69a019da2712d81bc1a8

SHA256
e59e53a8333f506a67065eb4f65bac2f210457f95344808c8950d0be7051df35

SHA512
a3931c4e319ad940d51e1ce4b488a3644afd85cb6dbbee483e51c6d58ff31ce1fdaef4e73eb5a0d291944bf554f8f80ccb699f8c8d0c57998f9f49729dfbace0

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

MD5
c8780d17acb772348a97c8abbe03ef16

SHA1
531ed43e7a0b0a2c13df69a019da2712d81bc1a8

SHA256
e59e53a8333f506a67065eb4f65bac2f210457f95344808c8950d0be7051df35

SHA512
a3931c4e319ad940d51e1ce4b488a3644afd85cb6dbbee483e51c6d58ff31ce1fdaef4e73eb5a0d291944bf554f8f80ccb699f8c8d0c57998f9f49729dfbace0

Download Submit
memory/2760-135-0x0000020905560000-0x0000020905570000-memory.dmp

Filesize
64KB

Download
memory/2760-136-0x0000020905B20000-0x0000020905B30000-memory.dmp

Filesize
64KB

Download
memory/2760-137-0x00000209081C0000-0x00000209081C4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads