sakula | 765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6

General

Target
765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe
Size 283KB
Sample241019-qnnylazfml
SHA256 765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6
MD5 2e6c6b7abd224a818ad8f2bc6fd85c50
SHA1 d1e33152f375976cf7533bb659bdbb1968cf68d5
SHA512 ccf04474a8914f8f091dac1ded3f82d63ce6c870536e00fa48379f72dc859e50c35c1841ab45b1a971d7d675a6b44e5b057027840622202de908ac7644e190ff
SSDEEP 1536:NU9abrtX4oocIK3yQkaY9z/S0hhnDiKKJqTnouy8HeBsCXKTnhxJ+:Nm2rocIyhYtJxKJqrout+BsZhW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Signatures

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

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/1780-6-0x00000000009E0000-0x00000000009FF000-memory.dmp	family_sakula
behavioral2/memory/4340-8-0x0000000000320000-0x000000000033F000-memory.dmp	family_sakula
behavioral2/memory/1780-13-0x00000000009E0000-0x00000000009FF000-memory.dmp	family_sakula
behavioral2/memory/4340-17-0x0000000000320000-0x000000000033F000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe

Executes dropped EXE 1 IoCs

pid	Process
4340	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"	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1780-0-0x00000000009E0000-0x00000000009FF000-memory.dmp	upx
behavioral2/files/0x000a000000023cad-3.dat	upx
behavioral2/memory/4340-4-0x0000000000320000-0x000000000033F000-memory.dmp	upx
behavioral2/memory/1780-6-0x00000000009E0000-0x00000000009FF000-memory.dmp	upx
behavioral2/memory/4340-8-0x0000000000320000-0x000000000033F000-memory.dmp	upx
behavioral2/memory/1780-13-0x00000000009E0000-0x00000000009FF000-memory.dmp	upx
behavioral2/memory/4340-17-0x0000000000320000-0x000000000033F000-memory.dmp	upx

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.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
736	PING.EXE
4000	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
736	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1780	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 4340	1780	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe	85
PID 1780 wrote to memory of 4340	1780	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe	85
PID 1780 wrote to memory of 4340	1780	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe	85
PID 1780 wrote to memory of 4000	1780	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe	102
PID 1780 wrote to memory of 4000	1780	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe	102
PID 1780 wrote to memory of 4000	1780	765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe	102
PID 4000 wrote to memory of 736	4000	cmd.exe	104
PID 4000 wrote to memory of 736	4000	cmd.exe	104
PID 4000 wrote to memory of 736	4000	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe
"C:\Users\Admin\AppData\Local\Temp\765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.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:1780
- 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:4340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\765a59f54f9e8f8b7d45d1cfb6a93ca4270fbd378cf1721110c18b140a7fada6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4000
- - 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:736

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 283KB
SHA256 70e754227eb49dc3bc671ad64eceac8170ca176d7c99e3ba28a811795caaa57f
MD5 5dfedff59c1ae3014ee9ccb9ffef2967
SHA1 433905541a3f0e446f9e7005776a21676b7593c6
SHA512 ad20700ad5cc1a62b2bc92ab9325cc9de26ab22222e3139acc38614545ae595107a5a86270f75e6dea7bad0c220ac22d5dc3dc4ea8796f5a7de5443a78fb247a
SSDEEP 1536:NU9abrtX4oocIK3yQkaY9z/S0hhnDiKKJqTnouy8HeBsCXKTnhxJx:Nm2rocIyhYtJxKJqrout+BsZhZ
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1780-0-0x00000000009E0000-0x00000000009FF000-memory.dmp

Download

memory/1780-6-0x00000000009E0000-0x00000000009FF000-memory.dmp

Download

memory/1780-13-0x00000000009E0000-0x00000000009FF000-memory.dmp

Download

memory/4340-4-0x0000000000320000-0x000000000033F000-memory.dmp

Download

memory/4340-8-0x0000000000320000-0x000000000033F000-memory.dmp

Download

memory/4340-17-0x0000000000320000-0x000000000033F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads