sakula | 16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07

General

Target

16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe
Size

192KB
MD5

a8a03a9294f698359b1a13bfcb49aee1
SHA1

a033d01f1691bb070659c58f00b9a6a4a1d2324e
SHA256

16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07
SHA512

0829c524512e7d2a202458c1562620ac0a9ea9594eef8ce7cc34f21401b1ee9ee602daaf2cec5629d91776fceb4a84307265da1d068c1563b4ee600b8e604469

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

1488 MediaCenter.exe

pid	process
1488	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:

16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.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"	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe

Drops file in Windows directory 8 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.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

728 PING.EXE

pid	process
728	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	4812	svchost.exe
Token: SeCreatePagefilePrivilege	4812	svchost.exe
Token: SeShutdownPrivilege	4812	svchost.exe
Token: SeCreatePagefilePrivilege	4812	svchost.exe
Token: SeShutdownPrivilege	4812	svchost.exe
Token: SeCreatePagefilePrivilege	4812	svchost.exe
Token: SeIncBasePriorityPrivilege	5080	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe
Token: SeBackupPrivilege	4992	TiWorker.exe
Token: SeRestorePrivilege	4992	TiWorker.exe
Token: SeSecurityPrivilege	4992	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.execmd.exe

description	pid	process	target process
PID 5080 wrote to memory of 1488	5080	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe	MediaCenter.exe
PID 5080 wrote to memory of 1488	5080	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe	MediaCenter.exe
PID 5080 wrote to memory of 1488	5080	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe	MediaCenter.exe
PID 5080 wrote to memory of 2212	5080	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe	cmd.exe
PID 5080 wrote to memory of 2212	5080	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe	cmd.exe
PID 5080 wrote to memory of 2212	5080	16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe	cmd.exe
PID 2212 wrote to memory of 728	2212	cmd.exe	PING.EXE
PID 2212 wrote to memory of 728	2212	cmd.exe	PING.EXE
PID 2212 wrote to memory of 728	2212	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe
"C:\Users\Admin\AppData\Local\Temp\16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1488

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16b2b7816b091839ae9da3eb1921613f72c127e7ab5b819ff918389a1ad5df07.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:728

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:4812

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:4992

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
a5178222f9e8f71e61db7023e41e8981

SHA1
91b01752388ac0e4c14c947cec845337f3560106

SHA256
351ca4e2f7b29454419650c936385367f480bcd624fd5077bfae8e6d7fca174c

SHA512
9a40f659b9dce157d549be17aa451619880b345f04713da8501b002192e8d504ac206dab9bafb46a495941518e43c6a2c8691248140d9a7d2c28893c3a4e0016

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

MD5
a5178222f9e8f71e61db7023e41e8981

SHA1
91b01752388ac0e4c14c947cec845337f3560106

SHA256
351ca4e2f7b29454419650c936385367f480bcd624fd5077bfae8e6d7fca174c

SHA512
9a40f659b9dce157d549be17aa451619880b345f04713da8501b002192e8d504ac206dab9bafb46a495941518e43c6a2c8691248140d9a7d2c28893c3a4e0016

Download Submit
memory/4812-132-0x00000233E2B80000-0x00000233E2B90000-memory.dmp

Filesize
64KB

Download
memory/4812-133-0x00000233E3360000-0x00000233E3370000-memory.dmp

Filesize
64KB

Download
memory/4812-134-0x00000233E5F60000-0x00000233E5F64000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads