Malware Analysis Report

2025-08-05 17:02

Sample ID 240107-yb8fgacgap
Target 4985b594ad312f51603493649388ab25.exe
SHA256 89963cbea00dd448757c1f80e1f264f26becbb03c6830708bc6bb839b01c1df2
Tags
dridex 22201 botnet loader
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

89963cbea00dd448757c1f80e1f264f26becbb03c6830708bc6bb839b01c1df2

Threat Level: Known bad

The file 4985b594ad312f51603493649388ab25.exe was found to be: Known bad.

Malicious Activity Summary

dridex 22201 botnet loader

Dridex

Dridex Loader

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-07 19:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-07 19:37

Reported

2024-01-07 19:40

Platform

win7-20231129-en

Max time kernel

142s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 300

Network

N/A

Files

memory/2956-2-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2956-0-0x0000000074DA0000-0x0000000074DD0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-07 19:37

Reported

2024-01-07 19:40

Platform

win10v2004-20231215-en

Max time kernel

147s

Max time network

65s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1

Signatures

Dridex

botnet dridex

Dridex Loader

botnet loader
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4412 wrote to memory of 5028 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4412 wrote to memory of 5028 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4412 wrote to memory of 5028 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4985b594ad312f51603493649388ab25.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5028 -ip 5028

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 688

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 49.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 104.91.71.140:80 tcp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 55.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 udp
N/A 96.17.179.62:80 tcp
GB 96.17.179.55:80 tcp
GB 96.17.179.55:80 tcp
GB 96.17.179.55:80 tcp
N/A 96.17.179.62:80 tcp
GB 96.17.179.55:80 tcp
GB 96.17.179.55:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.64:80 tcp
N/A 96.17.179.139:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.139:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
US 8.8.8.8:53 udp
N/A 20.223.36.55:443 tcp
N/A 96.17.179.139:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp
US 20.231.121.79:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
N/A 96.17.179.139:80 tcp
US 8.8.8.8:53 udp
N/A 52.111.227.13:443 tcp
N/A 96.17.179.139:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.139:80 tcp
US 8.8.8.8:53 udp
N/A 104.91.71.134:80 tcp
N/A 104.91.71.134:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.60:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.60:80 tcp
US 8.8.8.8:53 udp
GB 96.16.110.114:80 tcp
US 20.231.121.79:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
US 8.8.8.8:53 udp
N/A 20.103.156.88:443 tcp
N/A 20.103.156.88:443 tcp
N/A 20.103.156.88:443 tcp
N/A 96.17.179.60:80 tcp
US 8.8.8.8:53 udp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
US 8.8.8.8:53 udp
N/A 52.142.223.178:80 tcp
N/A 96.17.179.60:80 tcp
N/A 96.17.179.60:80 tcp
US 8.8.8.8:53 udp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
US 8.8.8.8:53 udp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
GB 104.91.71.140:80 tcp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.190:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
N/A 96.17.179.46:80 tcp
N/A 96.17.179.46:80 tcp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp
N/A 52.142.223.178:80 tcp
US 8.8.8.8:53 udp
GB 104.91.71.140:80 tcp
GB 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
US 8.8.8.8:53 udp
N/A 20.189.173.10:443 tcp
N/A 96.17.179.56:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
US 8.8.8.8:53 udp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
N/A 96.17.179.56:80 tcp
US 192.229.221.95:80 tcp
N/A 96.17.179.56:80 tcp

Files

memory/5028-0-0x0000000075210000-0x0000000075240000-memory.dmp

memory/5028-2-0x00000000007E0000-0x00000000007E6000-memory.dmp

memory/5028-3-0x0000000075210000-0x0000000075240000-memory.dmp