Malware Analysis Report

2024-11-30 21:30

Sample ID 231231-ggwv7aghfk
Target 2a94c4c23ec0536cbe791a896d3b2a00
SHA256 c8bae9191e2af7c7d89cbaab9fc0257cf2b97fb2f031482e93db4520c95cb194
Tags
dridex botnet payload evasion 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

c8bae9191e2af7c7d89cbaab9fc0257cf2b97fb2f031482e93db4520c95cb194

Threat Level: Known bad

The file 2a94c4c23ec0536cbe791a896d3b2a00 was found to be: Known bad.

Malicious Activity Summary

dridex botnet payload evasion persistence trojan

Dridex

Dridex Shellcode

Executes dropped EXE

Loads dropped DLL

Checks whether UAC is enabled

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-31 05:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 05:47

Reported

2024-01-02 09:00

Platform

win7-20231215-en

Max time kernel

3s

Max time network

118s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2a94c4c23ec0536cbe791a896d3b2a00.dll

Signatures

Dridex

botnet dridex

Dridex Shellcode

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2a94c4c23ec0536cbe791a896d3b2a00.dll

C:\Users\Admin\AppData\Local\ssSf0Sm2a\SystemPropertiesHardware.exe

C:\Users\Admin\AppData\Local\ssSf0Sm2a\SystemPropertiesHardware.exe

C:\Windows\system32\SystemPropertiesHardware.exe

C:\Windows\system32\SystemPropertiesHardware.exe

C:\Windows\system32\dpapimig.exe

C:\Windows\system32\dpapimig.exe

C:\Users\Admin\AppData\Local\x8dZ2\dpapimig.exe

C:\Users\Admin\AppData\Local\x8dZ2\dpapimig.exe

C:\Users\Admin\AppData\Local\ty7\mmc.exe

C:\Users\Admin\AppData\Local\ty7\mmc.exe

C:\Windows\system32\mmc.exe

C:\Windows\system32\mmc.exe

Network

N/A

Files

memory/2552-1-0x0000000140000000-0x000000014018C000-memory.dmp

memory/2552-0-0x00000000002A0000-0x00000000002A7000-memory.dmp

memory/1192-4-0x0000000077AA6000-0x0000000077AA7000-memory.dmp

memory/1192-15-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-30-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-48-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-52-0x0000000002D50000-0x0000000002D57000-memory.dmp

memory/1192-61-0x0000000077E10000-0x0000000077E12000-memory.dmp

memory/1192-70-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-76-0x0000000140000000-0x000000014018C000-memory.dmp

memory/2280-90-0x0000000000100000-0x0000000000107000-memory.dmp

memory/1192-60-0x0000000077CB1000-0x0000000077CB2000-memory.dmp

memory/1192-59-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-51-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-50-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-49-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-47-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-46-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-45-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-44-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-43-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-42-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-41-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-40-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-39-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-38-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-37-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-36-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-35-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-34-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-33-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1096-105-0x0000000000180000-0x0000000000187000-memory.dmp

memory/1192-32-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-31-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-29-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-28-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-27-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-26-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-25-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-24-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-23-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-22-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-21-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-20-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-19-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-18-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-17-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-16-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-14-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-13-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1892-125-0x0000000000370000-0x0000000000377000-memory.dmp

memory/1192-12-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-11-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-10-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-9-0x0000000140000000-0x000000014018C000-memory.dmp

memory/2552-8-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-7-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1192-5-0x0000000002D70000-0x0000000002D71000-memory.dmp

memory/1192-153-0x0000000077AA6000-0x0000000077AA7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 05:47

Reported

2024-01-02 09:01

Platform

win10v2004-20231215-en

Max time kernel

24s

Max time network

190s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2a94c4c23ec0536cbe791a896d3b2a00.dll

Signatures

Dridex

botnet dridex

Dridex Shellcode

botnet payload
Description Indicator Process Target
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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qoccyyzfzcu = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Windows\\STARTM~1\\Programs\\MAINTE~1\\AYQ9CP~1\\osk.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:\Users\Admin\AppData\Local\EJbxVF9\dxgiadaptercache.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\i9L\osk.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\PIcR28\SnippingTool.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
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Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3560 wrote to memory of 4000 N/A N/A C:\Windows\system32\dxgiadaptercache.exe
PID 3560 wrote to memory of 4000 N/A N/A C:\Windows\system32\dxgiadaptercache.exe
PID 3560 wrote to memory of 4760 N/A N/A C:\Users\Admin\AppData\Local\EJbxVF9\dxgiadaptercache.exe
PID 3560 wrote to memory of 4760 N/A N/A C:\Users\Admin\AppData\Local\EJbxVF9\dxgiadaptercache.exe
PID 3560 wrote to memory of 2444 N/A N/A C:\Windows\system32\osk.exe
PID 3560 wrote to memory of 2444 N/A N/A C:\Windows\system32\osk.exe
PID 3560 wrote to memory of 1056 N/A N/A C:\Users\Admin\AppData\Local\i9L\osk.exe
PID 3560 wrote to memory of 1056 N/A N/A C:\Users\Admin\AppData\Local\i9L\osk.exe
PID 3560 wrote to memory of 3520 N/A N/A C:\Windows\system32\SnippingTool.exe
PID 3560 wrote to memory of 3520 N/A N/A C:\Windows\system32\SnippingTool.exe
PID 3560 wrote to memory of 2016 N/A N/A C:\Users\Admin\AppData\Local\PIcR28\SnippingTool.exe
PID 3560 wrote to memory of 2016 N/A N/A C:\Users\Admin\AppData\Local\PIcR28\SnippingTool.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2a94c4c23ec0536cbe791a896d3b2a00.dll

C:\Windows\system32\dxgiadaptercache.exe

C:\Windows\system32\dxgiadaptercache.exe

C:\Users\Admin\AppData\Local\EJbxVF9\dxgiadaptercache.exe

C:\Users\Admin\AppData\Local\EJbxVF9\dxgiadaptercache.exe

C:\Windows\system32\osk.exe

C:\Windows\system32\osk.exe

C:\Users\Admin\AppData\Local\i9L\osk.exe

C:\Users\Admin\AppData\Local\i9L\osk.exe

C:\Windows\system32\SnippingTool.exe

C:\Windows\system32\SnippingTool.exe

C:\Users\Admin\AppData\Local\PIcR28\SnippingTool.exe

C:\Users\Admin\AppData\Local\PIcR28\SnippingTool.exe

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 190.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 91.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 64.134.221.88.in-addr.arpa udp

Files

memory/772-0-0x0000000140000000-0x000000014018C000-memory.dmp

memory/772-2-0x0000000000A50000-0x0000000000A57000-memory.dmp

memory/3560-6-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-11-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-17-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-23-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-27-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-32-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-38-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-42-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-46-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-50-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-52-0x0000000004CD0000-0x0000000004CD7000-memory.dmp

memory/3560-51-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-49-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-59-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-60-0x00007FFA3AB80000-0x00007FFA3AB90000-memory.dmp

memory/3560-69-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-71-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-48-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-47-0x0000000140000000-0x000000014018C000-memory.dmp

memory/4760-81-0x000001DD55750000-0x000001DD55757000-memory.dmp

memory/4760-82-0x0000000140000000-0x000000014018D000-memory.dmp

memory/3560-45-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-44-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-43-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-40-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-41-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-39-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-37-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-36-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-35-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-34-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-33-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-31-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-30-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-29-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-28-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-26-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-25-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-24-0x0000000140000000-0x000000014018C000-memory.dmp

memory/1056-98-0x000001A29D8D0000-0x000001A29D8D7000-memory.dmp

memory/3560-22-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-21-0x0000000140000000-0x000000014018C000-memory.dmp

memory/2016-115-0x0000019E4B9F0000-0x0000019E4B9F7000-memory.dmp

memory/3560-20-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-19-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-18-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-16-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-15-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-14-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-13-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-12-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-10-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-8-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-9-0x00007FFA38C3A000-0x00007FFA38C3B000-memory.dmp

memory/772-7-0x0000000140000000-0x000000014018C000-memory.dmp

memory/3560-4-0x0000000007010000-0x0000000007011000-memory.dmp