Malware Analysis Report

2024-10-18 23:04

Sample ID 240118-br661sagb9
Target 641cd74ae74576b277820fea5bdb9aec
SHA256 aeae5d2ac39cc5f21e360b31a9185f9633321d13a57c3da8768db40be55855ea
Tags
ardamax discovery keylogger persistence stealer
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

aeae5d2ac39cc5f21e360b31a9185f9633321d13a57c3da8768db40be55855ea

Threat Level: Known bad

The file 641cd74ae74576b277820fea5bdb9aec was found to be: Known bad.

Malicious Activity Summary

ardamax discovery keylogger persistence stealer

Ardamax

Ardamax main executable

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Checks installed software on the system

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-18 01:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-18 01:23

Reported

2024-01-18 01:26

Platform

win7-20231129-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe"

Signatures

Ardamax

keylogger stealer ardamax

Ardamax main executable

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SNC Start = "C:\\Windows\\SysWOW64\\EXKMTO\\SNC.exe" C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\EXKMTO\SNC.001 C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
File created C:\Windows\SysWOW64\EXKMTO\SNC.002 C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
File created C:\Windows\SysWOW64\EXKMTO\AKV.exe C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
File created C:\Windows\SysWOW64\EXKMTO\SNC.exe C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
File opened for modification C:\Windows\SysWOW64\EXKMTO\ C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
File created C:\Windows\SysWOW64\EXKMTO\SNC.004 C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe

"C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe"

C:\Windows\SysWOW64\EXKMTO\SNC.exe

"C:\Windows\system32\EXKMTO\SNC.exe"

Network

N/A

Files

\Windows\SysWOW64\EXKMTO\SNC.exe

MD5 68c19411dc10799efff9cfdb1dfa6ea3
SHA1 b337a16ee1a383ff4406fdaf65816f67174a6ec6
SHA256 a8565859541d680f0d8c74acdc0e0fee438de817785f4f596e470bdbefca0855
SHA512 16a2d576df4a24fa7f973e8e588f8cc79281d03343510344e6ef4ff8e3903e3a7751f38ef4f1c9fa2f8bdfaf3181b4fecae6905833df861c98e5b7b993a429d3

C:\Windows\SysWOW64\EXKMTO\SNC.004

MD5 67986c892cf3630e19b1199e7b5ade6b
SHA1 7ad1fc8f4487fcfc36fb520a39ae34e32e93e8b0
SHA256 711945de361a344b5baa0db6bec8bfe9653a134b7ad48dc9577d073bf622f9cc
SHA512 968652acadc8ab2f6c1edff06375fe763b6347dd9d6846803713d61a4a2b8709699e79360bc6af317448c6faa9acbc01ee5fdf08e52c8e4d00e141312a532a52

C:\Windows\SysWOW64\EXKMTO\SNC.002

MD5 52f41f282445a7a75238c2bf31ff7b7d
SHA1 5b5c5eb4066e2c583137dff7e1333b89640514a7
SHA256 3a9e12f314bf9b5f043f3f05556b244a7ba244d3625f8adbd9cb59e9385ac4f3
SHA512 bc6e2959be659a86a2de4bb1dbae8171a6b02e39fd98e948c1c40e96e101e73af274e6ceb590fd5aa5e5cb558e8e80fb79aac0162cdc2266ab1b173bda419107

C:\Windows\SysWOW64\EXKMTO\SNC.001

MD5 2666d675f8905ce58b7e961ffbfe8f61
SHA1 afa6625a916d27da14a591feba03352b2afb91cc
SHA256 1594c6986d0e4339825e2c812791c54c912d8358a76b6058da0bf6bba5f5c697
SHA512 81193afcb9406ea906db628ae434f576b6e4e2959674902cf8c2b11f5c7007b384a8e0385a6889637506f289d4849dd8dcb32dee9302363834333ef7813a2778

memory/2996-15-0x0000000000230000-0x0000000000231000-memory.dmp

C:\Windows\SysWOW64\EXKMTO\AKV.exe

MD5 eb9f503f6859a5161bcb9aeac042ceab
SHA1 d46039f98020e296bbd6455c834c6299528c821b
SHA256 51fc5b6f1711fd6b4b5945d935d37f57609eafa68d865c1ec1464b0ab221830c
SHA512 fa034d6292e0c16bb4958f1efe2b51577db99df6ccdb2223ba3fee4bab1796a5d4fa37667c077296da22e4c67d39ae0667a428f774aa2d5d3c7750a28320d33d

memory/2996-17-0x0000000000230000-0x0000000000231000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-18 01:23

Reported

2024-01-18 01:26

Platform

win10v2004-20231215-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe"

Signatures

Ardamax

keylogger stealer ardamax

Ardamax main executable

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SNC Start = "C:\\Windows\\SysWOW64\\EXKMTO\\SNC.exe" C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\EXKMTO\SNC.exe C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
File opened for modification C:\Windows\SysWOW64\EXKMTO\ C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
File created C:\Windows\SysWOW64\EXKMTO\SNC.004 C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
File created C:\Windows\SysWOW64\EXKMTO\SNC.001 C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
File created C:\Windows\SysWOW64\EXKMTO\SNC.002 C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A
File created C:\Windows\SysWOW64\EXKMTO\AKV.exe C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A
N/A N/A C:\Windows\SysWOW64\EXKMTO\SNC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe

"C:\Users\Admin\AppData\Local\Temp\641cd74ae74576b277820fea5bdb9aec.exe"

C:\Windows\SysWOW64\EXKMTO\SNC.exe

"C:\Windows\system32\EXKMTO\SNC.exe"

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 43.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp

Files

C:\Windows\SysWOW64\EXKMTO\SNC.exe

MD5 68c19411dc10799efff9cfdb1dfa6ea3
SHA1 b337a16ee1a383ff4406fdaf65816f67174a6ec6
SHA256 a8565859541d680f0d8c74acdc0e0fee438de817785f4f596e470bdbefca0855
SHA512 16a2d576df4a24fa7f973e8e588f8cc79281d03343510344e6ef4ff8e3903e3a7751f38ef4f1c9fa2f8bdfaf3181b4fecae6905833df861c98e5b7b993a429d3

C:\Windows\SysWOW64\EXKMTO\AKV.exe

MD5 eb9f503f6859a5161bcb9aeac042ceab
SHA1 d46039f98020e296bbd6455c834c6299528c821b
SHA256 51fc5b6f1711fd6b4b5945d935d37f57609eafa68d865c1ec1464b0ab221830c
SHA512 fa034d6292e0c16bb4958f1efe2b51577db99df6ccdb2223ba3fee4bab1796a5d4fa37667c077296da22e4c67d39ae0667a428f774aa2d5d3c7750a28320d33d

C:\Windows\SysWOW64\EXKMTO\SNC.004

MD5 67986c892cf3630e19b1199e7b5ade6b
SHA1 7ad1fc8f4487fcfc36fb520a39ae34e32e93e8b0
SHA256 711945de361a344b5baa0db6bec8bfe9653a134b7ad48dc9577d073bf622f9cc
SHA512 968652acadc8ab2f6c1edff06375fe763b6347dd9d6846803713d61a4a2b8709699e79360bc6af317448c6faa9acbc01ee5fdf08e52c8e4d00e141312a532a52

C:\Windows\SysWOW64\EXKMTO\SNC.002

MD5 52f41f282445a7a75238c2bf31ff7b7d
SHA1 5b5c5eb4066e2c583137dff7e1333b89640514a7
SHA256 3a9e12f314bf9b5f043f3f05556b244a7ba244d3625f8adbd9cb59e9385ac4f3
SHA512 bc6e2959be659a86a2de4bb1dbae8171a6b02e39fd98e948c1c40e96e101e73af274e6ceb590fd5aa5e5cb558e8e80fb79aac0162cdc2266ab1b173bda419107

C:\Windows\SysWOW64\EXKMTO\SNC.001

MD5 2666d675f8905ce58b7e961ffbfe8f61
SHA1 afa6625a916d27da14a591feba03352b2afb91cc
SHA256 1594c6986d0e4339825e2c812791c54c912d8358a76b6058da0bf6bba5f5c697
SHA512 81193afcb9406ea906db628ae434f576b6e4e2959674902cf8c2b11f5c7007b384a8e0385a6889637506f289d4849dd8dcb32dee9302363834333ef7813a2778

memory/2056-16-0x00000000006A0000-0x00000000006A1000-memory.dmp

memory/2056-18-0x00000000006A0000-0x00000000006A1000-memory.dmp