Malware Analysis Report

2024-10-19 07:12

Sample ID 240502-jbg6yscc9x
Target 0de2352089319039f8d662bb85060270_JaffaCakes118
SHA256 bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a
Tags
nanocore evasion keylogger persistence spyware stealer 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

bf001b36b3aab066d391faf62110d3512d618bc96915a1d853956f22e8de9f6a

Threat Level: Known bad

The file 0de2352089319039f8d662bb85060270_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger persistence spyware stealer trojan

Nanocore family

NanoCore

Adds Run key to start application

Checks whether UAC is enabled

Drops file in Program Files directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-02 07:29

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-02 07:29

Reported

2024-05-02 07:32

Platform

win7-20240221-en

Max time kernel

147s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Host = "C:\\Program Files (x86)\\NAS Host\\nashost.exe" C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe 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\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\NAS Host\nashost.exe C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\NAS Host\nashost.exe C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "NAS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1E98.tmp"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "NAS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1F45.tmp"

Network

Country Destination Domain Proto
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp

Files

memory/2352-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

memory/2352-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

memory/2352-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp1E98.tmp

MD5 dd9c8aa029090a1b70a2461b8609c012
SHA1 e27711b86a53acf35482af49b8fe2715294fdf33
SHA256 4148e632aab3643f38591eb8d6e946fae4cfd1f421db424d57e40339f5f32d63
SHA512 c7fda323419d6aa35fa2d1d6720d51d35b044e9efb30229f6dac4cd4aaa758ffc66caa459ec0086917a4fa5a0cb2cf421d26cc60e9642dc6b4c5378cc1f90da7

C:\Users\Admin\AppData\Local\Temp\tmp1F45.tmp

MD5 9f554f602c22cfc20079e966d177fadb
SHA1 789baa3425849bf239e47c6bcf352e6693a8c337
SHA256 4c760d5fe0c06cf4bf554170870f41181c61a217c37eb826903094dda86dd1f1
SHA512 b83e3e97dbe38ec4c64d9bef65e2521416f2d7434d78d05e66f729a2e0fbfea3f9bc6f6c4abaf76555af89a9565dfc0853d99067be9042dd66ed6246696eecbb

memory/2352-10-0x0000000074F00000-0x00000000754AB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-02 07:29

Reported

2024-05-02 07:32

Platform

win10v2004-20240419-en

Max time kernel

146s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe" C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe 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\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\DHCP Host\dhcphost.exe C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\DHCP Host\dhcphost.exe C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0de2352089319039f8d662bb85060270_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp36CF.tmp"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp372E.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
N/A 127.0.0.1:53896 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
N/A 127.0.0.1:53896 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
N/A 127.0.0.1:53896 tcp
US 8.8.8.8:53 34.251.17.2.in-addr.arpa udp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
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 55.36.223.20.in-addr.arpa udp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp
N/A 127.0.0.1:53896 tcp

Files

memory/3228-0-0x0000000074892000-0x0000000074893000-memory.dmp

memory/3228-1-0x0000000074890000-0x0000000074E41000-memory.dmp

memory/3228-2-0x0000000074890000-0x0000000074E41000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp36CF.tmp

MD5 dd9c8aa029090a1b70a2461b8609c012
SHA1 e27711b86a53acf35482af49b8fe2715294fdf33
SHA256 4148e632aab3643f38591eb8d6e946fae4cfd1f421db424d57e40339f5f32d63
SHA512 c7fda323419d6aa35fa2d1d6720d51d35b044e9efb30229f6dac4cd4aaa758ffc66caa459ec0086917a4fa5a0cb2cf421d26cc60e9642dc6b4c5378cc1f90da7

C:\Users\Admin\AppData\Local\Temp\tmp372E.tmp

MD5 0479d5f304ef2d7e3c15fb24a99f88c1
SHA1 8edbb1450a656fac5f5e96779ffe440ee8c1aec9
SHA256 112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc
SHA512 537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15

memory/3228-10-0x0000000074890000-0x0000000074E41000-memory.dmp

memory/3228-11-0x0000000074890000-0x0000000074E41000-memory.dmp

memory/3228-12-0x0000000074892000-0x0000000074893000-memory.dmp

memory/3228-13-0x0000000074890000-0x0000000074E41000-memory.dmp

memory/3228-14-0x0000000074890000-0x0000000074E41000-memory.dmp