Malware Analysis Report

2024-10-18 23:06

Sample ID 240724-jrn97sydja
Target 6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118
SHA256 b420570c3c9666d83a2ca09d06ae5263079428a261f9e92bced8ae2c5c1f8b2b
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

b420570c3c9666d83a2ca09d06ae5263079428a261f9e92bced8ae2c5c1f8b2b

Threat Level: Known bad

The file 6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118 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

Drops file in System32 directory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-24 07:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-24 07:54

Reported

2024-07-24 07:56

Platform

win7-20240708-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.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\AAMRUI\EKJ.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\EKJ Start = "C:\\Windows\\SysWOW64\\AAMRUI\\EKJ.exe" C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A

Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\AAMRUI\EKJ.002 C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\AAMRUI\AKV.exe C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\AAMRUI\EKJ.exe C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\AAMRUI\ C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A
File created C:\Windows\SysWOW64\AAMRUI\EKJ.004 C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\AAMRUI\EKJ.001 C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe"

C:\Windows\SysWOW64\AAMRUI\EKJ.exe

"C:\Windows\system32\AAMRUI\EKJ.exe"

Network

N/A

Files

\Windows\SysWOW64\AAMRUI\EKJ.exe

MD5 0aaffc12ef1b416b9276bdc3fdec9dff
SHA1 9f38d7cf6241d867da58f89db9ff26544314b938
SHA256 42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b
SHA512 bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

memory/2024-15-0x0000000000230000-0x0000000000231000-memory.dmp

C:\Windows\SysWOW64\AAMRUI\EKJ.004

MD5 f630ad324032b17b956bda8e9aadbfd7
SHA1 a1c92fe699e470fbaa5fde32306da9fd8d3243e9
SHA256 2dfc44b673f7e5fb0ad879b06a251d851a971abfd80ea9ad2600d03688bf297b
SHA512 98edbc98d190fbf1cdfb82b6f26987cf42c1b2dfe578fb8ffb2265dfe8a90daab2a9ff5a996e683fba0165c26ef928e987e38f174a1168dc651cfbd7b5eb0e97

C:\Windows\SysWOW64\AAMRUI\EKJ.002

MD5 093e599a1281e943ce1592f61d9591af
SHA1 6896810fe9b7efe4f5ae68bf280fec637e97adf5
SHA256 1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009
SHA512 64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

C:\Windows\SysWOW64\AAMRUI\EKJ.001

MD5 31c866d8e4448c28ae63660a0521cd92
SHA1 0e4dcb44e3c8589688b8eacdd8cc463a920baab9
SHA256 dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1
SHA512 1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

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

MD5 1f29b1075a91b3da0ccc0b9c49eece56
SHA1 048e675f087181035aedece9e7b11d065c6355cc
SHA256 4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e
SHA512 7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060

memory/2024-17-0x0000000000230000-0x0000000000231000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-24 07:54

Reported

2024-07-24 07:56

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A

Loads dropped DLL

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

Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\AAMRUI\EKJ.004 C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\AAMRUI\EKJ.001 C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\AAMRUI\EKJ.002 C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\AAMRUI\AKV.exe C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\AAMRUI\EKJ.exe C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\AAMRUI\ C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A
N/A N/A C:\Windows\SysWOW64\AAMRUI\EKJ.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe"

C:\Windows\SysWOW64\AAMRUI\EKJ.exe

"C:\Windows\system32\AAMRUI\EKJ.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 34.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 68.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

C:\Windows\SysWOW64\AAMRUI\EKJ.exe

MD5 0aaffc12ef1b416b9276bdc3fdec9dff
SHA1 9f38d7cf6241d867da58f89db9ff26544314b938
SHA256 42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b
SHA512 bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

C:\Windows\SysWOW64\AAMRUI\EKJ.004

MD5 f630ad324032b17b956bda8e9aadbfd7
SHA1 a1c92fe699e470fbaa5fde32306da9fd8d3243e9
SHA256 2dfc44b673f7e5fb0ad879b06a251d851a971abfd80ea9ad2600d03688bf297b
SHA512 98edbc98d190fbf1cdfb82b6f26987cf42c1b2dfe578fb8ffb2265dfe8a90daab2a9ff5a996e683fba0165c26ef928e987e38f174a1168dc651cfbd7b5eb0e97

C:\Windows\SysWOW64\AAMRUI\EKJ.002

MD5 093e599a1281e943ce1592f61d9591af
SHA1 6896810fe9b7efe4f5ae68bf280fec637e97adf5
SHA256 1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009
SHA512 64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

C:\Windows\SysWOW64\AAMRUI\EKJ.001

MD5 31c866d8e4448c28ae63660a0521cd92
SHA1 0e4dcb44e3c8589688b8eacdd8cc463a920baab9
SHA256 dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1
SHA512 1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

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

MD5 1f29b1075a91b3da0ccc0b9c49eece56
SHA1 048e675f087181035aedece9e7b11d065c6355cc
SHA256 4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e
SHA512 7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060

memory/4940-17-0x0000000000730000-0x0000000000731000-memory.dmp