Malware Analysis Report

2025-04-13 23:46

Sample ID 250103-vp3klatqgx
Target JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0
SHA256 7cf0c3611999603ac61d723ee8b081dcba3bfd4eb7f4993738a9efa2a8af3614
Tags
expiro backdoor discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7cf0c3611999603ac61d723ee8b081dcba3bfd4eb7f4993738a9efa2a8af3614

Threat Level: Known bad

The file JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0 was found to be: Known bad.

Malicious Activity Summary

expiro backdoor discovery

Expiro, m0yv

Expiro family

Expiro payload

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-03 17:10

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-03 17:10

Reported

2025-01-03 17:13

Platform

win7-20240708-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe"

Signatures

Expiro family

expiro

Expiro, m0yv

backdoor expiro

Expiro payload

backdoor
Description Indicator Process Target
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe"

Network

N/A

Files

memory/2320-0-0x0000000001000000-0x00000000011DB000-memory.dmp

memory/2320-1-0x0000000001003000-0x0000000001004000-memory.dmp

memory/2320-2-0x0000000001000000-0x00000000011DB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-03 17:10

Reported

2025-01-03 17:13

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe"

Signatures

Expiro family

expiro

Expiro, m0yv

backdoor expiro

Expiro payload

backdoor
Description Indicator Process Target
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/3124-0-0x0000000001000000-0x00000000011DB000-memory.dmp

memory/3124-1-0x0000000001003000-0x0000000001004000-memory.dmp

memory/3124-2-0x0000000001000000-0x00000000011DB000-memory.dmp