Malware Analysis Report

2025-08-06 00:44

Sample ID 240403-xlcacaaa72
Target 1.exe
SHA256 577066c5dd6d992ef8879cec6c006a820706d4199406efa2ac60e7191c8ed481
Tags
persistence spyware stealer
score
7/10

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
7/10

SHA256

577066c5dd6d992ef8879cec6c006a820706d4199406efa2ac60e7191c8ed481

Threat Level: Shows suspicious behavior

The file 1.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence spyware stealer

Reads user/profile data of web browsers

Loads dropped DLL

Reads user/profile data of local email clients

Executes dropped EXE

Accesses cryptocurrency files/wallets, possible credential harvesting

Enumerates connected drives

Looks up external IP address via web service

Adds Run key to start application

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: RenamesItself

Modifies registry class

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Enumerates processes with tasklist

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-03 18:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 18:56

Reported

2024-04-03 18:58

Platform

win7-20240221-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 18:56

Reported

2024-04-03 18:58

Platform

win10v2004-20240226-en

Max time kernel

114s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\resource.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\resource = "C:\\Users\\Admin\\AppData\\Local\\Temp\\resource.exe " C:\Users\Admin\AppData\Local\Temp\resource.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A

Enumerates processes with tasklist

Description Indicator Process Target
N/A N/A C:\Windows\system32\tasklist.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1904519900-954640453-4250331663-1000\{91B6E63C-0284-43DD-BB60-48112E44023C} C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\resource.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\tasklist.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 780 wrote to memory of 4584 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\schtasks.exe
PID 780 wrote to memory of 4584 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\schtasks.exe
PID 780 wrote to memory of 728 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\schtasks.exe
PID 780 wrote to memory of 728 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\schtasks.exe
PID 780 wrote to memory of 1892 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\cmd.exe
PID 780 wrote to memory of 1892 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\cmd.exe
PID 1892 wrote to memory of 4776 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\tasklist.exe
PID 1892 wrote to memory of 4776 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\tasklist.exe
PID 780 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\resource.exe
PID 780 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\resource.exe
PID 780 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\cmd.exe
PID 780 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\cmd.exe
PID 1812 wrote to memory of 4456 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 1812 wrote to memory of 4456 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 1812 wrote to memory of 4328 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 1812 wrote to memory of 4328 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 1812 wrote to memory of 1124 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\findstr.exe
PID 1812 wrote to memory of 1124 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\findstr.exe
PID 780 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\cmd.exe
PID 780 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\system32\cmd.exe
PID 3116 wrote to memory of 1036 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 3116 wrote to memory of 1036 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 3116 wrote to memory of 4352 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 3116 wrote to memory of 4352 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

C:\Windows\system32\schtasks.exe

"schtasks" /Delete /TN Sandisk /F

C:\Windows\system32\schtasks.exe

"schtasks" /Create /SC ONLOGON /TN Sandisk /TR "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1.exe" /RL HIGHEST

C:\Windows\system32\cmd.exe

"cmd" /C tasklist

C:\Windows\system32\tasklist.exe

tasklist

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

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

C:\Windows\system32\cmd.exe

"cmd" /C "chcp 65001 && netsh wlan show profile | findstr All"

C:\Windows\system32\chcp.com

chcp 65001

C:\Windows\system32\netsh.exe

netsh wlan show profile

C:\Windows\system32\findstr.exe

findstr All

C:\Windows\system32\cmd.exe

"cmd" /C "chcp 65001 && netsh wlan show networks mode=bssid"

C:\Windows\system32\chcp.com

chcp 65001

C:\Windows\system32\netsh.exe

netsh wlan show networks mode=bssid

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=1292 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 241.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
FR 185.163.124.133:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 213.122.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\escapi.dll

MD5 568aea1ddacf0948fc623e6695796e04
SHA1 69033dca65bbc0e4bc0ef3bddb81924871f58014
SHA256 e6134f3dca8c2d281f1af92eaf2551a737a46d88ab6eec1c09ffd7d4719a4fff
SHA512 60cef3fec3cfb1810328dc7eb8649e96f046ce1c9c7fc933dbfe8407a8bbd96767cc5388966f28c1346e77bd613cafc5bcb87c3c5fcdbbf2a8de8de19072a63c

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

MD5 398c0cabb362a8d4cc626812d3a9cec2
SHA1 19ba4ff142f01761ff8478bbc0f2a4461072c820
SHA256 fab3200d5dbf7038d094d3c283244b212d3bb59c27da008ab26227bd642ee3cc
SHA512 f5c9bb44b9ae292e61c9bd300da2fd12fcfa0f4cce16c85df7382baa67fe633229b3bbf2d847dfb544ae13feecdf1db655403f798175b04ef1129bba5fb7bca3