sakula | ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47

General

Target

ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe
Size

92KB
MD5

a5ec38ece82a0c310dd6e8aee8a3a35a
SHA1

4051b73fcee693e17a2e4aa8b63eba3e60e05645
SHA256

ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47
SHA512

c91e713076555f69bfad89c88623828e8f5462b8c5e2ed8bc255e6ff28cf55f15b450431b45bb575c69f469bb060efbd889ccd248463f4c3159e73972ff69098
SSDEEP

1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrR:9bfVk29te2jqxCEtg30B1

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

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

Sakula payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe	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

Processes:

ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe

Executes dropped EXE 1 IoCs

Processes:

AdobeUpdate.exe

pid process

1536 AdobeUpdate.exe

pid	process
1536	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.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

Processes:

ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exeAdobeUpdate.execmd.exePING.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeUpdate.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

Processes:

cmd.exePING.EXE

pid process

1500 cmd.exe
2544 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2544 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe

description pid process

Token: SeIncBasePriorityPrivilege 2884 ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe

pid	process
1500	cmd.exe
2544	PING.EXE

pid	process
2544	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	2884	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.execmd.exe

description	pid	process	target process
PID 2884 wrote to memory of 1536	2884	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe	AdobeUpdate.exe
PID 2884 wrote to memory of 1536	2884	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe	AdobeUpdate.exe
PID 2884 wrote to memory of 1536	2884	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe	AdobeUpdate.exe
PID 2884 wrote to memory of 1500	2884	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe	cmd.exe
PID 2884 wrote to memory of 1500	2884	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe	cmd.exe
PID 2884 wrote to memory of 1500	2884	ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe	cmd.exe
PID 1500 wrote to memory of 2544	1500	cmd.exe	PING.EXE
PID 1500 wrote to memory of 2544	1500	cmd.exe	PING.EXE
PID 1500 wrote to memory of 2544	1500	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe
"C:\Users\Admin\AppData\Local\Temp\ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.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:2884
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ac3a8eada767387493aef3a79413bfa5ece2a8cbc029d5541597eedf5c1b7d47.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1500
- - 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:2544

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

Filesize
92KB

MD5
fa43641016fd031b78006f525bae3b0b

SHA1
22ee43c0a32a17807808f5015ce437b95647269c

SHA256
1c87fcd4e1cb7c1d0340a7018ddf9da0ce3fb88bb82aef814859331819796545

SHA512
3f25c4f7bfbd9661dd419b91919cb05a63377d33937d0df093912fd0e9b9d9ffdcd46b358a75e9d3c1dee8099c488baa3af30a59dd824577a06932840444fdcc

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads