Malware Analysis Report

2024-10-18 23:06

Sample ID 240723-nhhtaatakg
Target 67628b599cdd0811b8a4609222d308f9_JaffaCakes118
SHA256 79a22aaad1e463d05cf45d54bdb87262af972f000b1c80ddd71220a024ff1ea6
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

79a22aaad1e463d05cf45d54bdb87262af972f000b1c80ddd71220a024ff1ea6

Threat Level: Known bad

The file 67628b599cdd0811b8a4609222d308f9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ardamax discovery keylogger persistence stealer

Ardamax

Ardamax main executable

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Checks installed software on the system

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-23 11:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-23 11:23

Reported

2024-07-23 11:43

Platform

win7-20240704-en

Max time kernel

122s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_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\LKPFCJ\KPO.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\KPO Start = "C:\\Windows\\SysWOW64\\LKPFCJ\\KPO.exe" C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A

Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\LKPFCJ\KPO.004 C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\KPO.001 C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\KPO.002 C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\AKV.exe C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\KPO.exe C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\LKPFCJ\ C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe"

C:\Windows\SysWOW64\LKPFCJ\KPO.exe

"C:\Windows\system32\LKPFCJ\KPO.exe"

Network

N/A

Files

\Windows\SysWOW64\LKPFCJ\KPO.exe

MD5 3cd29c0df98a7aeb69a9692843ca3edb
SHA1 7c86aea093f1979d18901bd1b89a2b02a60ac3e2
SHA256 5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32
SHA512 e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

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

MD5 51507d91d43683b9c4b8fafeb4d888f8
SHA1 ead2f68338da7af4720378cd46133589fc9405ba
SHA256 71b3aecefd36e4855a369019ac5871c544d39f8889d23cd455466a24cdecce6b
SHA512 a5a7ff3f8ffb72719b7e2c9dc2719c99ea32bd68994918ea027c0d7d54cfe0c80bfd34486dd8d3cdd390376bc4c8d1f7d97de4b98b7d39a3e10c3e2682c07d1c

C:\Windows\SysWOW64\LKPFCJ\KPO.004

MD5 862fa1b118b311a5636bcbeb857e653d
SHA1 fe921c7a59234fc790ec71f0af75ae99b05b7196
SHA256 e7d53d435078b30e4deee7f5f2e861de71ec578b87c361c85b42fe0b79f588ce
SHA512 cc4faebb78b493a4b4e49b3024ee3fddeed2db45e27b4b74f7a6294c023f4bceaa9e69f26e65816ecaa758834f189268dfcd9a5aec1447e68f825ca908e63656

memory/2708-15-0x00000000003B0000-0x00000000003B1000-memory.dmp

C:\Windows\SysWOW64\LKPFCJ\KPO.002

MD5 93df156c4bd9d7341f4c4a4847616a69
SHA1 c7663b32c3c8e247bc16b51aff87b45484652dc1
SHA256 e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e
SHA512 ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

C:\Windows\SysWOW64\LKPFCJ\KPO.001

MD5 383d5f5d4240d590e7dec3f7312a4ac7
SHA1 f6bcade8d37afb80cf52a89b3e84683f4643fbce
SHA256 7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422
SHA512 e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

memory/2708-17-0x00000000003B0000-0x00000000003B1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 11:23

Reported

2024-07-23 11:43

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A

Loads dropped DLL

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

Checks installed software on the system

discovery

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\LKPFCJ\ C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\KPO.004 C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\KPO.001 C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\KPO.002 C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\AKV.exe C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\LKPFCJ\KPO.exe C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A
N/A N/A C:\Windows\SysWOW64\LKPFCJ\KPO.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\67628b599cdd0811b8a4609222d308f9_JaffaCakes118.exe"

C:\Windows\SysWOW64\LKPFCJ\KPO.exe

"C:\Windows\system32\LKPFCJ\KPO.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

C:\Windows\SysWOW64\LKPFCJ\KPO.exe

MD5 3cd29c0df98a7aeb69a9692843ca3edb
SHA1 7c86aea093f1979d18901bd1b89a2b02a60ac3e2
SHA256 5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32
SHA512 e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

C:\Windows\SysWOW64\LKPFCJ\KPO.004

MD5 862fa1b118b311a5636bcbeb857e653d
SHA1 fe921c7a59234fc790ec71f0af75ae99b05b7196
SHA256 e7d53d435078b30e4deee7f5f2e861de71ec578b87c361c85b42fe0b79f588ce
SHA512 cc4faebb78b493a4b4e49b3024ee3fddeed2db45e27b4b74f7a6294c023f4bceaa9e69f26e65816ecaa758834f189268dfcd9a5aec1447e68f825ca908e63656

C:\Windows\SysWOW64\LKPFCJ\KPO.002

MD5 93df156c4bd9d7341f4c4a4847616a69
SHA1 c7663b32c3c8e247bc16b51aff87b45484652dc1
SHA256 e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e
SHA512 ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

C:\Windows\SysWOW64\LKPFCJ\KPO.001

MD5 383d5f5d4240d590e7dec3f7312a4ac7
SHA1 f6bcade8d37afb80cf52a89b3e84683f4643fbce
SHA256 7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422
SHA512 e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

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

MD5 51507d91d43683b9c4b8fafeb4d888f8
SHA1 ead2f68338da7af4720378cd46133589fc9405ba
SHA256 71b3aecefd36e4855a369019ac5871c544d39f8889d23cd455466a24cdecce6b
SHA512 a5a7ff3f8ffb72719b7e2c9dc2719c99ea32bd68994918ea027c0d7d54cfe0c80bfd34486dd8d3cdd390376bc4c8d1f7d97de4b98b7d39a3e10c3e2682c07d1c

memory/4784-17-0x0000000000770000-0x0000000000771000-memory.dmp