Malware Analysis Report

2024-11-30 21:30

Sample ID 231231-a1d16agfem
Target 22093fda92006421180434cc9e18da14
SHA256 e8ad0afeafef691fb95d89979900a825bacfa1d86802ba14ac2f914c03dcc0d8
Tags
dridex botnet evasion payload 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

e8ad0afeafef691fb95d89979900a825bacfa1d86802ba14ac2f914c03dcc0d8

Threat Level: Known bad

The file 22093fda92006421180434cc9e18da14 was found to be: Known bad.

Malicious Activity Summary

dridex botnet evasion payload trojan

Dridex

Dridex Shellcode

Checks whether UAC is enabled

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-31 00:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 00:40

Reported

2024-01-01 16:42

Platform

win7-20231129-en

Max time kernel

3s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\22093fda92006421180434cc9e18da14.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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\22093fda92006421180434cc9e18da14.dll,#1

C:\Windows\system32\rdpshell.exe

C:\Windows\system32\rdpshell.exe

C:\Users\Admin\AppData\Local\mTVg\rdpshell.exe

C:\Users\Admin\AppData\Local\mTVg\rdpshell.exe

C:\Windows\system32\OptionalFeatures.exe

C:\Windows\system32\OptionalFeatures.exe

C:\Users\Admin\AppData\Local\HtZwTHnA\OptionalFeatures.exe

C:\Users\Admin\AppData\Local\HtZwTHnA\OptionalFeatures.exe

C:\Windows\system32\taskmgr.exe

C:\Windows\system32\taskmgr.exe

C:\Users\Admin\AppData\Local\OsNr\taskmgr.exe

C:\Users\Admin\AppData\Local\OsNr\taskmgr.exe

Network

N/A

Files

memory/2332-1-0x0000000000390000-0x0000000000397000-memory.dmp

memory/2332-0-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-4-0x0000000077486000-0x0000000077487000-memory.dmp

memory/1356-13-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-25-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-39-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-54-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-55-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-53-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-58-0x0000000002980000-0x0000000002987000-memory.dmp

memory/1356-63-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-67-0x00000000776F0000-0x00000000776F2000-memory.dmp

memory/1356-74-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-64-0x0000000077591000-0x0000000077592000-memory.dmp

memory/2472-92-0x00000000001A0000-0x00000000001A7000-memory.dmp

memory/1356-52-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-51-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-50-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-49-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-48-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-47-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-46-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-45-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-44-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-43-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-42-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-41-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-40-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-38-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-37-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-36-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-35-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-34-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-33-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-32-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-31-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-30-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-29-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1748-118-0x0000000000280000-0x0000000000287000-memory.dmp

memory/1356-28-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-27-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-26-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-24-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-23-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-22-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-21-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-20-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-19-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-18-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-17-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-16-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-15-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-14-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-12-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-11-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-10-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-9-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/2332-8-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-7-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1356-5-0x00000000029A0000-0x00000000029A1000-memory.dmp

memory/1356-170-0x0000000077486000-0x0000000077487000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 00:40

Reported

2024-01-01 16:42

Platform

win10v2004-20231215-en

Max time kernel

0s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\22093fda92006421180434cc9e18da14.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\22093fda92006421180434cc9e18da14.dll,#1

C:\Windows\system32\CustomShellHost.exe

C:\Windows\system32\CustomShellHost.exe

C:\Users\Admin\AppData\Local\SoDbr81F\printfilterpipelinesvc.exe

C:\Users\Admin\AppData\Local\SoDbr81F\printfilterpipelinesvc.exe

C:\Windows\system32\printfilterpipelinesvc.exe

C:\Windows\system32\printfilterpipelinesvc.exe

C:\Users\Admin\AppData\Local\USof2fz\dialer.exe

C:\Users\Admin\AppData\Local\USof2fz\dialer.exe

C:\Windows\system32\dialer.exe

C:\Windows\system32\dialer.exe

C:\Users\Admin\AppData\Local\tzwfounXa\CustomShellHost.exe

C:\Users\Admin\AppData\Local\tzwfounXa\CustomShellHost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 21.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 189.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 8.8.8.8:53 205.47.74.20.in-addr.arpa udp

Files

memory/4592-0-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/4592-1-0x0000025E9E450000-0x0000025E9E457000-memory.dmp

memory/4592-7-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-14-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-22-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-29-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-35-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-40-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-47-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-53-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-55-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-56-0x0000000008040000-0x0000000008047000-memory.dmp

memory/3492-64-0x00007FFFD5F80000-0x00007FFFD5F90000-memory.dmp

memory/3492-75-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-73-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/1260-84-0x000001FF16BA0000-0x000001FF16BA7000-memory.dmp

memory/4852-104-0x000001D0BC830000-0x000001D0BC837000-memory.dmp

memory/4932-123-0x0000026830A90000-0x0000026830A97000-memory.dmp

memory/3492-63-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-54-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-52-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-51-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-50-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-49-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-48-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-46-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-45-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-44-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-43-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-42-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-41-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-39-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-38-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-37-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-36-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-34-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-33-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-32-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-31-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-30-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-28-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-27-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-26-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-25-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-24-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-23-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-21-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-20-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-19-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-18-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-17-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-16-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-15-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-13-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-12-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-11-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-10-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-9-0x00007FFFD5D1A000-0x00007FFFD5D1B000-memory.dmp

memory/3492-8-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-6-0x0000000140000000-0x00000001401D5000-memory.dmp

memory/3492-4-0x0000000008060000-0x0000000008061000-memory.dmp