sakula | 6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e

General

Target
6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe
Size 43KB
Sample241017-231fqasakb
SHA256 6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e
MD5 714aa57a9bd18b504b369a20b39a50b5
SHA1 d12363ffa4c18f27a799faf1fe223c22d5174047
SHA512 aa97c95ba288035510e6c6987c031b77d73ede265fe73d4d1c3ba8a492f67b4ae6e2d457b96392ce6d9918fe50b5183e9e3fa71481762ace825c46c4f242b9e8
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taq8:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8G
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/3244-6-0x0000000000B10000-0x0000000000B2F000-memory.dmp	family_sakula
behavioral2/memory/1732-8-0x0000000000280000-0x000000000029F000-memory.dmp	family_sakula
behavioral2/memory/3244-14-0x0000000000B10000-0x0000000000B2F000-memory.dmp	family_sakula
behavioral2/memory/1732-18-0x0000000000280000-0x000000000029F000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe

Executes dropped EXE 1 IoCs

pid	Process
1732	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"	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3244-0-0x0000000000B10000-0x0000000000B2F000-memory.dmp	upx
behavioral2/files/0x000d000000023b72-3.dat	upx
behavioral2/memory/1732-4-0x0000000000280000-0x000000000029F000-memory.dmp	upx
behavioral2/memory/3244-6-0x0000000000B10000-0x0000000000B2F000-memory.dmp	upx
behavioral2/memory/1732-8-0x0000000000280000-0x000000000029F000-memory.dmp	upx
behavioral2/memory/3244-14-0x0000000000B10000-0x0000000000B2F000-memory.dmp	upx
behavioral2/memory/1732-18-0x0000000000280000-0x000000000029F000-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	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.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
1740	PING.EXE
4520	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1740	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3244	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3244 wrote to memory of 1732	3244	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe	84
PID 3244 wrote to memory of 1732	3244	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe	84
PID 3244 wrote to memory of 1732	3244	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe	84
PID 3244 wrote to memory of 4520	3244	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe	103
PID 3244 wrote to memory of 4520	3244	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe	103
PID 3244 wrote to memory of 4520	3244	6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe	103
PID 4520 wrote to memory of 1740	4520	cmd.exe	105
PID 4520 wrote to memory of 1740	4520	cmd.exe	105
PID 4520 wrote to memory of 1740	4520	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe
"C:\Users\Admin\AppData\Local\Temp\6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.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:3244
- 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:1732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\6a2c43bc52516d13726d75520005872f09adcda6d363c8cec040c36e40d9ac0e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4520
- - 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:1740

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

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Downloads

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 43KB
SHA256 15131b4ff33fbdc2c0aa6b496da7c3652c5b93f2aae8bc9bc5114b800118d5b0
MD5 8590d005088977b8b89076e05d2239bd
SHA1 c03f50a7ecca727d1c67c4d7340ecb1457a0281a
SHA512 86c0a45ff9c7ccde45bcce6818dc21d24d3bc971a0476c093f8845ba63ec801b67c46b285dffc8fe4589ee28b3aad3f4b6934c95d9f9eab418f8523be2135c5b
SSDEEP 768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqT:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8R
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1732-4-0x0000000000280000-0x000000000029F000-memory.dmp

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memory/1732-8-0x0000000000280000-0x000000000029F000-memory.dmp

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memory/1732-18-0x0000000000280000-0x000000000029F000-memory.dmp

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memory/3244-0-0x0000000000B10000-0x0000000000B2F000-memory.dmp

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memory/3244-6-0x0000000000B10000-0x0000000000B2F000-memory.dmp

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memory/3244-14-0x0000000000B10000-0x0000000000B2F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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