Malware Analysis Report

2024-11-30 21:31

Sample ID 231231-a823ysacgm
Target 224e1496de28a6190aee2b283b5f3280
SHA256 774641bc71bfda2cb0075b125a5bfb6c93472f4c9762cc635265ae30cf4472ad
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

774641bc71bfda2cb0075b125a5bfb6c93472f4c9762cc635265ae30cf4472ad

Threat Level: Known bad

The file 224e1496de28a6190aee2b283b5f3280 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 00:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 00:53

Reported

2024-01-01 17:18

Platform

win7-20231129-en

Max time kernel

3s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\224e1496de28a6190aee2b283b5f3280.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\224e1496de28a6190aee2b283b5f3280.dll,#1

C:\Users\Admin\AppData\Local\fedAX8x\TpmInit.exe

C:\Users\Admin\AppData\Local\fedAX8x\TpmInit.exe

C:\Windows\system32\TpmInit.exe

C:\Windows\system32\TpmInit.exe

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Users\Admin\AppData\Local\BYZu\wermgr.exe

C:\Users\Admin\AppData\Local\BYZu\wermgr.exe

C:\Windows\system32\rdpinit.exe

C:\Windows\system32\rdpinit.exe

C:\Users\Admin\AppData\Local\d5LMRM5Jj\rdpinit.exe

C:\Users\Admin\AppData\Local\d5LMRM5Jj\rdpinit.exe

Network

N/A

Files

memory/2928-1-0x0000000000390000-0x0000000000397000-memory.dmp

memory/2928-0-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-4-0x00000000774F6000-0x00000000774F7000-memory.dmp

memory/1380-12-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-25-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-38-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-42-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-41-0x0000000002E00000-0x0000000002E07000-memory.dmp

memory/1380-53-0x0000000077760000-0x0000000077762000-memory.dmp

memory/1380-50-0x0000000077601000-0x0000000077602000-memory.dmp

memory/1380-60-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-49-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-65-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/2496-78-0x0000000140000000-0x00000001401FA000-memory.dmp

memory/2496-83-0x0000000140000000-0x00000001401FA000-memory.dmp

memory/2496-81-0x0000000000200000-0x0000000000207000-memory.dmp

memory/1380-69-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-40-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-39-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-37-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-36-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-35-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-34-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-33-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-32-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-31-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-30-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-29-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-28-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-27-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-26-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-24-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-23-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-22-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/2692-104-0x0000000000320000-0x0000000000327000-memory.dmp

memory/1380-21-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-20-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-19-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-18-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-17-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-16-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-15-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-14-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-13-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-11-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-10-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-9-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/2928-8-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-7-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1380-5-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

memory/2652-119-0x0000000000110000-0x0000000000117000-memory.dmp

memory/1380-147-0x00000000774F6000-0x00000000774F7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 00:53

Reported

2024-01-01 17:20

Platform

win10v2004-20231215-en

Max time kernel

0s

Max time network

140s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\224e1496de28a6190aee2b283b5f3280.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\224e1496de28a6190aee2b283b5f3280.dll,#1

C:\Windows\system32\Netplwiz.exe

C:\Windows\system32\Netplwiz.exe

C:\Users\Admin\AppData\Local\Et8\Netplwiz.exe

C:\Users\Admin\AppData\Local\Et8\Netplwiz.exe

C:\Users\Admin\AppData\Local\nPgGebNFm\mmc.exe

C:\Users\Admin\AppData\Local\nPgGebNFm\mmc.exe

C:\Windows\system32\mmc.exe

C:\Windows\system32\mmc.exe

C:\Users\Admin\AppData\Local\aq866\CustomShellHost.exe

C:\Users\Admin\AppData\Local\aq866\CustomShellHost.exe

C:\Windows\system32\CustomShellHost.exe

C:\Windows\system32\CustomShellHost.exe

Network

Country Destination Domain Proto
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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.181.190.20.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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.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 8.8.8.8:53 184.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 50.134.221.88.in-addr.arpa udp
NL 20.31.169.57:443 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
GB 88.221.134.42:80 tcp
US 8.8.8.8:53 42.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 195.178.17.96.in-addr.arpa udp
GB 88.221.134.42:80 tcp

Files

memory/1300-1-0x000001B4B7160000-0x000001B4B7167000-memory.dmp

memory/1300-0-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/1300-8-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-14-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-21-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-28-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-33-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-40-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-41-0x0000000008040000-0x0000000008047000-memory.dmp

memory/3492-49-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-59-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-61-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/2148-71-0x0000000140000000-0x00000001401FA000-memory.dmp

memory/2148-76-0x0000000140000000-0x00000001401FA000-memory.dmp

memory/2148-70-0x00000219A8380000-0x00000219A8387000-memory.dmp

memory/4124-90-0x0000000002C60000-0x0000000002C67000-memory.dmp

memory/4124-92-0x0000000140000000-0x00000001401FA000-memory.dmp

memory/1472-101-0x000001387D8F0000-0x000001387D8F7000-memory.dmp

memory/1472-107-0x0000000140000000-0x00000001401FA000-memory.dmp

memory/3492-50-0x00007FFFD5F80000-0x00007FFFD5F90000-memory.dmp

memory/3492-42-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-38-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-39-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-37-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-36-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-35-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-34-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-32-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-31-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-30-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-29-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-27-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-26-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-25-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-24-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-23-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-22-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-20-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-19-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-18-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-17-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-16-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-15-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-13-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-12-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-11-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-10-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-9-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-7-0x0000000140000000-0x00000001401F9000-memory.dmp

memory/3492-5-0x00007FFFD5D1A000-0x00007FFFD5D1B000-memory.dmp

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