sakula | 1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9

General

Target
1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe
Size 99KB
Sample220212-d5jc8afed5
SHA256 1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9
MD5 f91378b0ac8c86132e4aca14af54dab0
SHA1 38633165b61921dffe7b8af7da45708087084afb
SHA512 96ac6e494285a8887cc79ec84c17e2a4f5794be7a51bb8ed5d18c978135853ded5236e4f472f1a5194ee23845d01a7bb08e25a632fc950a7a448177cc74c9405
MD5 SHA1 SHA512

Score

10^/10

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000600000001e7dc-130.dat	family_sakula
behavioral2/files/0x000600000001e7dc-131.dat	family_sakula

Executes dropped EXE 1 IoCs

pid	Process
652	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

pid	Process
1416	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	364	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 652	364	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe	58
PID 364 wrote to memory of 652	364	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe	58
PID 364 wrote to memory of 652	364	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe	58
PID 364 wrote to memory of 1652	364	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe	71
PID 364 wrote to memory of 1652	364	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe	71
PID 364 wrote to memory of 1652	364	1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe	71
PID 1652 wrote to memory of 1416	1652	cmd.exe	73
PID 1652 wrote to memory of 1416	1652	cmd.exe	73
PID 1652 wrote to memory of 1416	1652	cmd.exe	73

C:\Users\Admin\AppData\Local\Temp\1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe
"C:\Users\Admin\AppData\Local\Temp\1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:364
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1740e8ae83a4680943c691cdd172735293c70f8c56e8532d519580f280df69a9.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1416

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1448