Malware Analysis Report

2025-08-11 06:11

Sample ID 240610-1feeas1elf
Target 47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04
SHA256 47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04
Tags
upx persistence
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

47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04

Threat Level: Known bad

The file 47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04 was found to be: Known bad.

Malicious Activity Summary

upx persistence

UPX dump on OEP (original entry point)

UPX dump on OEP (original entry point)

UPX packed file

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 21:35

Signatures

UPX dump on OEP (original entry point)

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

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 21:35

Reported

2024-06-10 21:37

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04.exe"

Signatures

UPX dump on OEP (original entry point)

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Update\WwanSvc.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run" C:\Users\Admin\AppData\Local\Temp\47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04.exe

"C:\Users\Admin\AppData\Local\Temp\47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04.exe"

C:\ProgramData\Update\WwanSvc.exe

"C:\ProgramData\Update\WwanSvc.exe" /run

Network

Country Destination Domain Proto
CA 158.69.115.115:443 tcp

Files

memory/1608-1-0x0000000000B50000-0x0000000000B78000-memory.dmp

\ProgramData\Update\WwanSvc.exe

MD5 c28bf521ec93c37e3278335de3a51891
SHA1 734f12695ded815be2805037287195d601776421
SHA256 2ff727e931c63a2b631ce8ad6334eb92e5cec21dc1448bf3a2e886ec157214d1
SHA512 dc71e1bb13f02ea18a11c0613ecff5df97e4e9a2eb8b7f51ab2a30ca53d8d2b0aa4dac6c68e54583c61e53ab7656a94beb94b297a524c67fc1458911276dc0e7

memory/1608-4-0x0000000000170000-0x0000000000198000-memory.dmp

memory/1896-7-0x0000000001290000-0x00000000012B8000-memory.dmp

memory/1608-8-0x0000000000B50000-0x0000000000B78000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 21:35

Reported

2024-06-10 21:37

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04.exe"

Signatures

UPX dump on OEP (original entry point)

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Update\WwanSvc.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run" C:\Users\Admin\AppData\Local\Temp\47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04.exe

"C:\Users\Admin\AppData\Local\Temp\47c77c69cd8fbaf270ab41bc96f8da0c2c3c10e22dc02fe78947028df54c6e04.exe"

C:\ProgramData\Update\WwanSvc.exe

"C:\ProgramData\Update\WwanSvc.exe" /run

Network

Country Destination Domain Proto
CA 158.69.115.115:443 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3148-0-0x0000000000600000-0x0000000000628000-memory.dmp

C:\ProgramData\Update\WwanSvc.exe

MD5 33e9ee1ce8743f7894b3d6503f71f62c
SHA1 b58a1f7124f1cd00be4bc07e4914e06c4c2cf0c1
SHA256 b354a14668108e3842c96e1545a7b99edeef048bc9e73987a90da5e0953b2819
SHA512 ea0028d79ba5c14e78b4fe9f8ce83a1f856bd8640a1f9f3324587e843aac710aab945ca8ae5aab8c3b227b911d61538357f1389ba56aa9dc11b16d9aec0df001

memory/3156-6-0x0000000000B90000-0x0000000000BB8000-memory.dmp

memory/3148-5-0x0000000000600000-0x0000000000628000-memory.dmp

memory/3156-7-0x0000000000B90000-0x0000000000BB8000-memory.dmp