Malware Analysis Report

2024-10-23 20:58

Sample ID 240410-tqsaksgg7x
Target eb77e3fcf43687da7bd89d4534b90dbd_JaffaCakes118
SHA256 a4f2a9ec9d6abb75a9f8604d88ef627a4895081f6db49708b0b064e90a5fb30c
Tags
expiro backdoor
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a4f2a9ec9d6abb75a9f8604d88ef627a4895081f6db49708b0b064e90a5fb30c

Threat Level: Known bad

The file eb77e3fcf43687da7bd89d4534b90dbd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

expiro backdoor

Expiro, m0yv

Expiro payload

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-10 16:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-10 16:16

Reported

2024-04-10 16:18

Platform

win10v2004-20240226-en

Max time kernel

115s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eb77e3fcf43687da7bd89d4534b90dbd_JaffaCakes118.exe"

Signatures

Expiro, m0yv

backdoor expiro

Expiro payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\eb77e3fcf43687da7bd89d4534b90dbd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\eb77e3fcf43687da7bd89d4534b90dbd_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,8281149332300504990,9122875031903898779,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 208.14.97.104.in-addr.arpa udp

Files

memory/1496-0-0x0000000000400000-0x0000000000504000-memory.dmp

memory/1496-1-0x0000000000400000-0x0000000000504000-memory.dmp

memory/1496-2-0x0000000000400000-0x0000000000504000-memory.dmp