sakula | 0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0

General

Target

0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe
Size

101KB
MD5

4e5e573ca8a3af313578037127b61248
SHA1

a2690181ada74056f232d92b785ba5667a2380f0
SHA256

0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0
SHA512

014c86bfcda0d50ea84d81ce1f31fcf208185dd2096f894b49aca0c2f1814a5217c5e652f6646476f52cedf29c3bfebbef760f92676f240bbe6d6152fd86f369

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

4524 MediaCenter.exe

pid	process
4524	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:

0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.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"	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.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.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
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

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

2536 PING.EXE

pid	process
2536	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	2796	svchost.exe
Token: SeCreatePagefilePrivilege	2796	svchost.exe
Token: SeShutdownPrivilege	2796	svchost.exe
Token: SeCreatePagefilePrivilege	2796	svchost.exe
Token: SeShutdownPrivilege	2796	svchost.exe
Token: SeCreatePagefilePrivilege	2796	svchost.exe
Token: SeIncBasePriorityPrivilege	3272	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe
Token: SeBackupPrivilege	2768	TiWorker.exe
Token: SeRestorePrivilege	2768	TiWorker.exe
Token: SeSecurityPrivilege	2768	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.execmd.exe

description	pid	process	target process
PID 3272 wrote to memory of 4524	3272	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe	MediaCenter.exe
PID 3272 wrote to memory of 4524	3272	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe	MediaCenter.exe
PID 3272 wrote to memory of 4524	3272	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe	MediaCenter.exe
PID 3272 wrote to memory of 440	3272	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe	cmd.exe
PID 3272 wrote to memory of 440	3272	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe	cmd.exe
PID 3272 wrote to memory of 440	3272	0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe	cmd.exe
PID 440 wrote to memory of 2536	440	cmd.exe	PING.EXE
PID 440 wrote to memory of 2536	440	cmd.exe	PING.EXE
PID 440 wrote to memory of 2536	440	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe
"C:\Users\Admin\AppData\Local\Temp\0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4524

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a3fe7d501a0f7fd56dd55d7cff39ba35c75c07233abf11cd731ef7fbf6991b0.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:440

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2536

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:2796

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:2768

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
9e4352ac763cab8be54dec93245bb7d6

SHA1
08b67060e6cacb261455f06826de90f56dfaef1f

SHA256
902d1df5005fdec4e847fc1b17f09bc77032b6b8f24f4433333c6db5528e37b9

SHA512
6a5001b77511a19ffdc0002a4923f9c5eddad7fd0bd646f13a17cb300a35459030634ed39068244df3cb7f249c512940fa3d0fa50ea48230317861324e86d809

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
9e4352ac763cab8be54dec93245bb7d6

SHA1
08b67060e6cacb261455f06826de90f56dfaef1f

SHA256
902d1df5005fdec4e847fc1b17f09bc77032b6b8f24f4433333c6db5528e37b9

SHA512
6a5001b77511a19ffdc0002a4923f9c5eddad7fd0bd646f13a17cb300a35459030634ed39068244df3cb7f249c512940fa3d0fa50ea48230317861324e86d809

Download Submit
memory/2796-132-0x000001825DD50000-0x000001825DD60000-memory.dmp

Filesize
64KB

Download
memory/2796-133-0x000001825E420000-0x000001825E430000-memory.dmp

Filesize
64KB

Download
memory/2796-134-0x0000018260AD0000-0x0000018260AD4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads