sakula | 137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d

General

Target

137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe
Size

35KB
MD5

f1555c34f0c065ee0b27302c96be348f
SHA1

1e35336804b1bddcb4e9ec5554461d0f31146d1b
SHA256

137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d
SHA512

d1394ae44fdaf040ee397875a684bc7afcd6896927283c2fdca29fec8709227a85934611a20b8ffaf640beeaedf6d11670ecd734e37bc42e2ca6a65155cc9ed1

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

3924 MediaCenter.exe

pid	process
3924	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:

137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.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"	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.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

4264 PING.EXE

pid	process
4264	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe

description	pid	process
Token: SeShutdownPrivilege	1660	svchost.exe
Token: SeCreatePagefilePrivilege	1660	svchost.exe
Token: SeShutdownPrivilege	1660	svchost.exe
Token: SeCreatePagefilePrivilege	1660	svchost.exe
Token: SeShutdownPrivilege	1660	svchost.exe
Token: SeCreatePagefilePrivilege	1660	svchost.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2228	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe
Token: SeBackupPrivilege	2304	TiWorker.exe
Token: SeRestorePrivilege	2304	TiWorker.exe
Token: SeSecurityPrivilege	2304	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.execmd.exe

description	pid	process	target process
PID 2228 wrote to memory of 3924	2228	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe	MediaCenter.exe
PID 2228 wrote to memory of 3924	2228	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe	MediaCenter.exe
PID 2228 wrote to memory of 3924	2228	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe	MediaCenter.exe
PID 2228 wrote to memory of 4192	2228	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe	cmd.exe
PID 2228 wrote to memory of 4192	2228	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe	cmd.exe
PID 2228 wrote to memory of 4192	2228	137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe	cmd.exe
PID 4192 wrote to memory of 4264	4192	cmd.exe	PING.EXE
PID 4192 wrote to memory of 4264	4192	cmd.exe	PING.EXE
PID 4192 wrote to memory of 4264	4192	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe
"C:\Users\Admin\AppData\Local\Temp\137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3924

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\137cb6b7bcb15f3ae48c27adf9aabf744a2f6d73addd4caaa3a09d56f873a24d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4192

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4264

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:1660

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:2304

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
100c3a83e64f7c99d59bf5a83275821f

SHA1
214971dfac53df46d40141563aa85f751804ef9e

SHA256
cd6a27976752208f40abcbb61c138e8c94f84ff3f13bbccae0c2609dfe0f117b

SHA512
803cde1dc2efe72d25e100dcf414782df2d9aba3f5cac6c4a413acba757d795363d54996cceef8bc85c86d80cf7d5388a6cd760334b14863ac39aaf52cff08ae

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

MD5
100c3a83e64f7c99d59bf5a83275821f

SHA1
214971dfac53df46d40141563aa85f751804ef9e

SHA256
cd6a27976752208f40abcbb61c138e8c94f84ff3f13bbccae0c2609dfe0f117b

SHA512
803cde1dc2efe72d25e100dcf414782df2d9aba3f5cac6c4a413acba757d795363d54996cceef8bc85c86d80cf7d5388a6cd760334b14863ac39aaf52cff08ae

Download Submit
memory/1660-132-0x000001E0AF580000-0x000001E0AF590000-memory.dmp

Filesize
64KB

Download
memory/1660-133-0x000001E0AFB20000-0x000001E0AFB30000-memory.dmp

Filesize
64KB

Download
memory/1660-134-0x000001E0B2200000-0x000001E0B2204000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads