Malware Analysis Report

2024-11-30 21:05

Sample ID 231230-reeh8sedcr
Target 1af146424fd76848203b85f2f6453299
SHA256 78aeff7ca28319e5e631b36f864e63152e6c87245ae1ee506b3baa31172cee79
Tags
dridex botnet evasion payload persistence trojan
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

78aeff7ca28319e5e631b36f864e63152e6c87245ae1ee506b3baa31172cee79

Threat Level: Known bad

The file 1af146424fd76848203b85f2f6453299 was found to be: Known bad.

Malicious Activity Summary

dridex botnet evasion payload persistence trojan

Dridex

Dridex Shellcode

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Checks whether UAC is enabled

Unsigned PE

Uses Task Scheduler COM API

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-30 14:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-30 14:06

Reported

2024-01-01 01:33

Platform

win7-20231215-en

Max time kernel

96s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1af146424fd76848203b85f2f6453299.dll,#1

Signatures

Dridex

botnet dridex

Dridex Shellcode

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A C:\Users\Admin\AppData\Local\Qz6\consent.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\tTWJ6i\mfpmp.exe N/A
N/A N/A N/A N/A
N/A N/A C:\Users\Admin\AppData\Local\vA8Lv\javaws.exe 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\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\Bsfvntd = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Themes\\L65CHn\\mfpmp.exe" N/A N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\system32\rundll32.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Qz6\consent.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\tTWJ6i\mfpmp.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\vA8Lv\javaws.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
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Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1076 wrote to memory of 1988 N/A N/A C:\Windows\system32\consent.exe
PID 1076 wrote to memory of 1988 N/A N/A C:\Windows\system32\consent.exe
PID 1076 wrote to memory of 1988 N/A N/A C:\Windows\system32\consent.exe
PID 1076 wrote to memory of 676 N/A N/A C:\Users\Admin\AppData\Local\Qz6\consent.exe
PID 1076 wrote to memory of 676 N/A N/A C:\Users\Admin\AppData\Local\Qz6\consent.exe
PID 1076 wrote to memory of 676 N/A N/A C:\Users\Admin\AppData\Local\Qz6\consent.exe
PID 1076 wrote to memory of 2028 N/A N/A C:\Windows\system32\mfpmp.exe
PID 1076 wrote to memory of 2028 N/A N/A C:\Windows\system32\mfpmp.exe
PID 1076 wrote to memory of 2028 N/A N/A C:\Windows\system32\mfpmp.exe
PID 1076 wrote to memory of 1624 N/A N/A C:\Users\Admin\AppData\Local\tTWJ6i\mfpmp.exe
PID 1076 wrote to memory of 1624 N/A N/A C:\Users\Admin\AppData\Local\tTWJ6i\mfpmp.exe
PID 1076 wrote to memory of 1624 N/A N/A C:\Users\Admin\AppData\Local\tTWJ6i\mfpmp.exe
PID 1076 wrote to memory of 1072 N/A N/A C:\Windows\system32\javaws.exe
PID 1076 wrote to memory of 1072 N/A N/A C:\Windows\system32\javaws.exe
PID 1076 wrote to memory of 1072 N/A N/A C:\Windows\system32\javaws.exe
PID 1076 wrote to memory of 2140 N/A N/A C:\Users\Admin\AppData\Local\vA8Lv\javaws.exe
PID 1076 wrote to memory of 2140 N/A N/A C:\Users\Admin\AppData\Local\vA8Lv\javaws.exe
PID 1076 wrote to memory of 2140 N/A N/A C:\Users\Admin\AppData\Local\vA8Lv\javaws.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1af146424fd76848203b85f2f6453299.dll,#1

C:\Users\Admin\AppData\Local\Qz6\consent.exe

C:\Users\Admin\AppData\Local\Qz6\consent.exe

C:\Windows\system32\consent.exe

C:\Windows\system32\consent.exe

C:\Users\Admin\AppData\Local\tTWJ6i\mfpmp.exe

C:\Users\Admin\AppData\Local\tTWJ6i\mfpmp.exe

C:\Windows\system32\mfpmp.exe

C:\Windows\system32\mfpmp.exe

C:\Users\Admin\AppData\Local\vA8Lv\javaws.exe

C:\Users\Admin\AppData\Local\vA8Lv\javaws.exe

C:\Windows\system32\javaws.exe

C:\Windows\system32\javaws.exe

Network

N/A

Files

memory/2392-0-0x0000000140000000-0x000000014020A000-memory.dmp

memory/2392-1-0x00000000005C0000-0x00000000005C7000-memory.dmp

memory/1076-4-0x0000000077046000-0x0000000077047000-memory.dmp

memory/1076-5-0x0000000002F20000-0x0000000002F21000-memory.dmp

memory/2392-8-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-13-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-25-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-32-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-43-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-49-0x0000000002EF0000-0x0000000002EF7000-memory.dmp

memory/1076-48-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-57-0x0000000077251000-0x0000000077252000-memory.dmp

memory/1076-67-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-72-0x0000000140000000-0x000000014020A000-memory.dmp

memory/676-87-0x0000000000110000-0x0000000000117000-memory.dmp

memory/1076-76-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-61-0x00000000773B0000-0x00000000773B2000-memory.dmp

memory/1076-56-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-47-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-46-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-45-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-44-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-42-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-41-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-40-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-39-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-38-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-37-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-36-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-35-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-34-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-33-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-31-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-30-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-29-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-28-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1624-111-0x0000000001F20000-0x0000000001F27000-memory.dmp

memory/1076-27-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-26-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-24-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-23-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-22-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-21-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-20-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-19-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-18-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-17-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-16-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-15-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-14-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-12-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-11-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-10-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-9-0x0000000140000000-0x000000014020A000-memory.dmp

memory/2140-129-0x0000000000100000-0x0000000000107000-memory.dmp

memory/1076-7-0x0000000140000000-0x000000014020A000-memory.dmp

memory/1076-155-0x0000000077046000-0x0000000077047000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-30 14:06

Reported

2024-01-01 01:33

Platform

win10v2004-20231215-en

Max time kernel

0s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1af146424fd76848203b85f2f6453299.dll,#1

Signatures

Dridex

botnet dridex

Dridex Shellcode

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1af146424fd76848203b85f2f6453299.dll,#1

C:\Users\Admin\AppData\Local\mLWkCr\RdpSa.exe

C:\Users\Admin\AppData\Local\mLWkCr\RdpSa.exe

C:\Windows\system32\dpapimig.exe

C:\Windows\system32\dpapimig.exe

C:\Windows\system32\RdpSa.exe

C:\Windows\system32\RdpSa.exe

C:\Windows\system32\SystemSettingsAdminFlows.exe

C:\Windows\system32\SystemSettingsAdminFlows.exe

C:\Users\Admin\AppData\Local\yFjJuA0\dpapimig.exe

C:\Users\Admin\AppData\Local\yFjJuA0\dpapimig.exe

C:\Users\Admin\AppData\Local\gxShwwx0\SystemSettingsAdminFlows.exe

C:\Users\Admin\AppData\Local\gxShwwx0\SystemSettingsAdminFlows.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 5.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4944-1-0x0000000140000000-0x000000014020A000-memory.dmp

memory/4944-0-0x000001FCF3F40000-0x000001FCF3F47000-memory.dmp

memory/4944-7-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-8-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-14-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-22-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-29-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-36-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-44-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-48-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-49-0x00000000012C0000-0x00000000012C7000-memory.dmp

memory/3432-57-0x00007FFB726E0000-0x00007FFB726F0000-memory.dmp

memory/3432-56-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-68-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3576-77-0x0000000140000000-0x000000014020C000-memory.dmp

memory/3576-83-0x0000000140000000-0x000000014020C000-memory.dmp

memory/3576-79-0x00000173260C0000-0x00000173260C7000-memory.dmp

memory/3432-66-0x0000000140000000-0x000000014020A000-memory.dmp

memory/4816-96-0x00000230C7B80000-0x00000230C7B87000-memory.dmp

memory/4816-94-0x0000000140000000-0x0000000140250000-memory.dmp

memory/3432-47-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-46-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-45-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3216-112-0x00000242C39B0000-0x00000242C39B7000-memory.dmp

memory/3432-43-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-42-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-41-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-40-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-39-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-38-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-37-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-35-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-34-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-33-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-32-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-31-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-30-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-28-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-27-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-26-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-25-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-24-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-23-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-21-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-20-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-19-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-18-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-17-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-16-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-15-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-13-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-12-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-11-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-10-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-9-0x00007FFB70B7A000-0x00007FFB70B7B000-memory.dmp

memory/3432-6-0x0000000140000000-0x000000014020A000-memory.dmp

memory/3432-4-0x0000000003150000-0x0000000003151000-memory.dmp