sakula | 1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d

General

Target

1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe
Size

170KB
MD5

d95bb5b54d4b6992bb947642cbb5c2cf
SHA1

392e98540ca68901dd1d240e7cd4761259a98526
SHA256

1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d
SHA512

529f4f36ed4867a51e8d82dd0561e4891d057f876010fdcead8af5ecec88d58a2dfa1439b00dc7dbe8c11f97c13a95bd7137c66bb7cc40ddfadb8dd1168ed335

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 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/816-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3220-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3220 MediaCenter.exe

pid	process
3220	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:

1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.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"	1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.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

4332 PING.EXE

pid	process
4332	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	4296	svchost.exe
Token: SeCreatePagefilePrivilege	4296	svchost.exe
Token: SeShutdownPrivilege	4296	svchost.exe
Token: SeCreatePagefilePrivilege	4296	svchost.exe
Token: SeShutdownPrivilege	4296	svchost.exe
Token: SeCreatePagefilePrivilege	4296	svchost.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.execmd.exe

description	pid	process	target process
PID 816 wrote to memory of 3220	816	1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe	MediaCenter.exe
PID 816 wrote to memory of 3220	816	1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe	MediaCenter.exe
PID 816 wrote to memory of 3220	816	1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe	MediaCenter.exe
PID 816 wrote to memory of 4636	816	1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe	cmd.exe
PID 816 wrote to memory of 4636	816	1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe	cmd.exe
PID 816 wrote to memory of 4636	816	1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe	cmd.exe
PID 4636 wrote to memory of 4332	4636	cmd.exe	PING.EXE
PID 4636 wrote to memory of 4332	4636	cmd.exe	PING.EXE
PID 4636 wrote to memory of 4332	4636	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe
"C:\Users\Admin\AppData\Local\Temp\1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:816

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3220

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1683f91f996866cd10101d5f4a6b1c69445ce21f423c4de08ab52ea18ea7050d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4636

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4332

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:4296

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:3620

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
40452ed1396d645d75ae4337086fad81

SHA1
e052f6174f57a4f86bbcf1b300acdf15094f3074

SHA256
10650ee5c54e56f6bf719aa593d461382c0ed4a63829105c75aa496f0502a83a

SHA512
ab17fc51052cfb6068a5bc1868222a13ee13af4592149ae93494e6a4dc4926301b15e4f606a25dee10c98e4ae22b6b9929ca25a11f475f68a27e884fb06bce6b

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

MD5
40452ed1396d645d75ae4337086fad81

SHA1
e052f6174f57a4f86bbcf1b300acdf15094f3074

SHA256
10650ee5c54e56f6bf719aa593d461382c0ed4a63829105c75aa496f0502a83a

SHA512
ab17fc51052cfb6068a5bc1868222a13ee13af4592149ae93494e6a4dc4926301b15e4f606a25dee10c98e4ae22b6b9929ca25a11f475f68a27e884fb06bce6b

Download Submit
memory/816-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3220-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4296-132-0x00000210FC560000-0x00000210FC570000-memory.dmp

Filesize
64KB

Download
memory/4296-133-0x00000210FCB20000-0x00000210FCB30000-memory.dmp

Filesize
64KB

Download
memory/4296-134-0x00000210FF1C0000-0x00000210FF1C4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads