sakula | cbd8fdb1e79c73e654d5c5112796d055ad601c94e2ecef452c443ec76e1a4131

General

Target
346e9691d829b0ef9e1bc5d5e8737f80N.exe
Size 35KB
Sample240726-vnfpfa1fkn
SHA256 cbd8fdb1e79c73e654d5c5112796d055ad601c94e2ecef452c443ec76e1a4131
MD5 346e9691d829b0ef9e1bc5d5e8737f80
SHA1 3a1796c2c329d789e4f68e0a02974309b07c6ea7
SHA512 0deaf7fe5816563f202b78557289a119ea13915b321959fb0ad498b69de5e2c81c6d3846cfd240c016e929a668ee7013ae2def69ceeb3d730c88023b4dc5bd46
SSDEEP 768:TwbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647DE:TwbYP4nuEApQK4TQbtY2gA9DX+ytBOq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Signatures

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

Sakula payload 5 IoCs

resource	yara_rule
behavioral2/memory/4072-5-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/1916-6-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/4072-7-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/1916-11-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral2/memory/4072-16-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	346e9691d829b0ef9e1bc5d5e8737f80N.exe

Executes dropped EXE 1 IoCs

pid	Process
4072	MediaCenter.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	346e9691d829b0ef9e1bc5d5e8737f80N.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	346e9691d829b0ef9e1bc5d5e8737f80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1676	PING.EXE
3880	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1676	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1916	346e9691d829b0ef9e1bc5d5e8737f80N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 4072	1916	346e9691d829b0ef9e1bc5d5e8737f80N.exe	84
PID 1916 wrote to memory of 4072	1916	346e9691d829b0ef9e1bc5d5e8737f80N.exe	84
PID 1916 wrote to memory of 4072	1916	346e9691d829b0ef9e1bc5d5e8737f80N.exe	84
PID 1916 wrote to memory of 3880	1916	346e9691d829b0ef9e1bc5d5e8737f80N.exe	96
PID 1916 wrote to memory of 3880	1916	346e9691d829b0ef9e1bc5d5e8737f80N.exe	96
PID 1916 wrote to memory of 3880	1916	346e9691d829b0ef9e1bc5d5e8737f80N.exe	96
PID 3880 wrote to memory of 1676	3880	cmd.exe	98
PID 3880 wrote to memory of 1676	3880	cmd.exe	98
PID 3880 wrote to memory of 1676	3880	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\346e9691d829b0ef9e1bc5d5e8737f80N.exe
"C:\Users\Admin\AppData\Local\Temp\346e9691d829b0ef9e1bc5d5e8737f80N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\346e9691d829b0ef9e1bc5d5e8737f80N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 35KB
SHA256 ecc3ed23b7a0f7169a93a48860009cfc3c653c6e432a36bdf8353ba19fa19667
MD5 cc81c5a06799ee676ef494a0b8f645be
SHA1 5d3d9208c57961d34467708052c866aff7eafdbb
SHA512 eb69c8d19cff10ef7a99bc937fba38ea8bb88f6bb9bb868bfa5f4f83193dfc8147a9f4e7be059cf6a8164c103307eb78f4cba208e73e27be4e5a2cbd9e38518a
SSDEEP 768:TwbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647Dz:TwbYP4nuEApQK4TQbtY2gA9DX+ytBO5
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1916-0-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/1916-6-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/1916-11-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/4072-5-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/4072-7-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/4072-16-0x0000000000400000-0x000000000041A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads