Malware Analysis Report

2024-10-18 23:04

Sample ID 240122-leqcvadec4
Target 6f508563ea940ab46a84f48211f208fa
SHA256 46f3133bf678fd9038fffd1a6f096aaed1e2e3a5c6f949373e3252dfbe00e4c4
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

46f3133bf678fd9038fffd1a6f096aaed1e2e3a5c6f949373e3252dfbe00e4c4

Threat Level: Known bad

The file 6f508563ea940ab46a84f48211f208fa was found to be: Known bad.

Malicious Activity Summary

ardamax discovery keylogger persistence stealer

Ardamax main executable

Ardamax

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Checks installed software on the system

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-22 09:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-22 09:27

Reported

2024-01-22 09:29

Platform

win7-20231215-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NeoMc.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\HISQCS\REO.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NeoMC (second).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\REO Start = "C:\\Windows\\SysWOW64\\HISQCS\\REO.exe" C:\Windows\SysWOW64\HISQCS\REO.exe N/A

Checks installed software on the system

discovery

Drops file in System32 directory

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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NeoMC (second).exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NeoMc.exe

"C:\Users\Admin\AppData\Local\Temp\NeoMc.exe"

C:\Windows\SysWOW64\HISQCS\REO.exe

"C:\Windows\system32\HISQCS\REO.exe"

C:\Users\Admin\AppData\Local\Temp\NeoMC (second).exe

"C:\Users\Admin\AppData\Local\Temp\NeoMC (second).exe"

Network

N/A

Files

\Windows\SysWOW64\HISQCS\REO.exe

MD5 27a49221ba75a90934342bbe70f6c954
SHA1 751e322d6f7e46c132f0f97c56d60344248f1959
SHA256 946611f5091452aa46310d3ba8a885e808617b8ae9c57a468f7fe3abda4b052d
SHA512 9476f49d2e3c10f3e5cd91313e03405f944bc9887fd65e6c2236caab3a42e2c9a5392d7c34f6c5787a7dc8c3cfd43a3a90a6e052176aa60a43da0327d7ff78d6

C:\Windows\SysWOW64\HISQCS\REO.001

MD5 29136121b1c0307a02a8826477995613
SHA1 4dffe908036a21be56a9caa739ec1bf1cf9bd0ca
SHA256 f9dd403e696d2128cafe9a4bab54a28161745934df6d3479a066083a61515402
SHA512 2c7077ff82e948b9a9b6b16214dfdd11e222f07fb0a75aec59a9dafc29906907f24e0c625cefd5032321cc7883c00fd0abc7801f185983190f353b6dff2774c7

C:\Windows\SysWOW64\HISQCS\REO.004

MD5 38af9146b8acaee4103cb00d0b56bcc6
SHA1 5cb1b54b72175625eb1163ce51ef0cef0717deb8
SHA256 2cf50e952e1564d7760a6257a3efe1cb7fe63f7252de5f0f5026a270cb46a817
SHA512 c98a4a8ac89ec66f92fa1c9887a8b4a542b2c16ebee240f0552034c73e0451c0183c403c5dc6e9027386ba8435c94bcef00d04a40d3493c691383b116591992a

memory/3016-16-0x0000000000230000-0x0000000000231000-memory.dmp

C:\Windows\SysWOW64\HISQCS\REO.002

MD5 d977f26d7f7ffcb0f002813b55ff032d
SHA1 7e17b642dc1286908c18caba6fedb890de8fcc86
SHA256 2ce6c66843f0d0f156ae523f25d2cf4c9886fcae7b4f69deefbde4bc5328bf29
SHA512 e291f6acf5df88c52eb9232d55eb43fc08cbd423b7ae46148f710de909db49c04fc1d64e05b8e307ddd880134c525188109b94182ca99ea5934b66b9316e9e25

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

MD5 c49125a39e0ae69b1cc77040ba8a9441
SHA1 92941e9559d9b1a0a944595377b6c5d44b53a6a4
SHA256 f7e3d70532b7a0b04bde2fc3a9439b8a95ba7b89eff5f214ef53041a58c97524
SHA512 f61f42e500ebdd0559c420f05849265964e58aba7bb2be1095d41dddc1393ccf2191de0ed61d5fefd3957c4890c61fced1497481b76f158a12f7d95e626224c6

\Users\Admin\AppData\Local\Temp\NeoMC (second).exe

MD5 18efdb37e71d23292eec9932df472512
SHA1 4be8a740f6c7eee22fb7a313f044466e9fe33d18
SHA256 59695317a1359b4d366e2cc3b9741e54f1efc4a76b5472b03e46259cdff4bb1a
SHA512 bcddeda7e87c073cea1d0d855f18693a197e49bd98fcaeaf5dac2d5b2b76590f2d6c8fc2c41405f9139f38e03dec61441198f871fbac40ed52489004b79bf8f9

memory/604-26-0x0000000000C30000-0x0000000000C5E000-memory.dmp

memory/604-24-0x0000000000C30000-0x0000000000C5E000-memory.dmp

memory/3016-27-0x0000000000230000-0x0000000000231000-memory.dmp

memory/604-28-0x0000000000C30000-0x0000000000C5E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-22 09:27

Reported

2024-01-22 09:29

Platform

win10v2004-20231215-en

Max time kernel

139s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NeoMc.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\NeoMc.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\NeoMC (second).exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.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\REO Start = "C:\\Windows\\SysWOW64\\HISQCS\\REO.exe" C:\Windows\SysWOW64\HISQCS\REO.exe N/A

Checks installed software on the system

discovery

Drops file in System32 directory

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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NeoMC (second).exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A
N/A N/A C:\Windows\SysWOW64\HISQCS\REO.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NeoMc.exe

"C:\Users\Admin\AppData\Local\Temp\NeoMc.exe"

C:\Windows\SysWOW64\HISQCS\REO.exe

"C:\Windows\system32\HISQCS\REO.exe"

C:\Users\Admin\AppData\Local\Temp\NeoMC (second).exe

"C:\Users\Admin\AppData\Local\Temp\NeoMC (second).exe"

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

C:\Windows\SysWOW64\HISQCS\REO.exe

MD5 27a49221ba75a90934342bbe70f6c954
SHA1 751e322d6f7e46c132f0f97c56d60344248f1959
SHA256 946611f5091452aa46310d3ba8a885e808617b8ae9c57a468f7fe3abda4b052d
SHA512 9476f49d2e3c10f3e5cd91313e03405f944bc9887fd65e6c2236caab3a42e2c9a5392d7c34f6c5787a7dc8c3cfd43a3a90a6e052176aa60a43da0327d7ff78d6

C:\Users\Admin\AppData\Local\Temp\NeoMC (second).exe

MD5 18efdb37e71d23292eec9932df472512
SHA1 4be8a740f6c7eee22fb7a313f044466e9fe33d18
SHA256 59695317a1359b4d366e2cc3b9741e54f1efc4a76b5472b03e46259cdff4bb1a
SHA512 bcddeda7e87c073cea1d0d855f18693a197e49bd98fcaeaf5dac2d5b2b76590f2d6c8fc2c41405f9139f38e03dec61441198f871fbac40ed52489004b79bf8f9

memory/2856-19-0x0000000000B30000-0x0000000000B5E000-memory.dmp

C:\Windows\SysWOW64\HISQCS\REO.004

MD5 38af9146b8acaee4103cb00d0b56bcc6
SHA1 5cb1b54b72175625eb1163ce51ef0cef0717deb8
SHA256 2cf50e952e1564d7760a6257a3efe1cb7fe63f7252de5f0f5026a270cb46a817
SHA512 c98a4a8ac89ec66f92fa1c9887a8b4a542b2c16ebee240f0552034c73e0451c0183c403c5dc6e9027386ba8435c94bcef00d04a40d3493c691383b116591992a

memory/4816-24-0x0000000000750000-0x0000000000751000-memory.dmp

C:\Windows\SysWOW64\HISQCS\REO.002

MD5 d977f26d7f7ffcb0f002813b55ff032d
SHA1 7e17b642dc1286908c18caba6fedb890de8fcc86
SHA256 2ce6c66843f0d0f156ae523f25d2cf4c9886fcae7b4f69deefbde4bc5328bf29
SHA512 e291f6acf5df88c52eb9232d55eb43fc08cbd423b7ae46148f710de909db49c04fc1d64e05b8e307ddd880134c525188109b94182ca99ea5934b66b9316e9e25

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

MD5 c49125a39e0ae69b1cc77040ba8a9441
SHA1 92941e9559d9b1a0a944595377b6c5d44b53a6a4
SHA256 f7e3d70532b7a0b04bde2fc3a9439b8a95ba7b89eff5f214ef53041a58c97524
SHA512 f61f42e500ebdd0559c420f05849265964e58aba7bb2be1095d41dddc1393ccf2191de0ed61d5fefd3957c4890c61fced1497481b76f158a12f7d95e626224c6

C:\Windows\SysWOW64\HISQCS\REO.001

MD5 29136121b1c0307a02a8826477995613
SHA1 4dffe908036a21be56a9caa739ec1bf1cf9bd0ca
SHA256 f9dd403e696d2128cafe9a4bab54a28161745934df6d3479a066083a61515402
SHA512 2c7077ff82e948b9a9b6b16214dfdd11e222f07fb0a75aec59a9dafc29906907f24e0c625cefd5032321cc7883c00fd0abc7801f185983190f353b6dff2774c7

memory/2856-26-0x0000000000B30000-0x0000000000B5E000-memory.dmp

memory/2856-28-0x0000000000B30000-0x0000000000B5E000-memory.dmp

memory/4816-29-0x0000000000750000-0x0000000000751000-memory.dmp