Malware Analysis Report

2024-10-19 07:12

Sample ID 240505-ch85paee28
Target 157da6effe1931be4dc4a6bd35020fa6_JaffaCakes118
SHA256 b0c4a7e65bfc48a683c26dcbe952937e10bca231df8a17d16fab0312afb13345
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

b0c4a7e65bfc48a683c26dcbe952937e10bca231df8a17d16fab0312afb13345

Threat Level: Known bad

The file 157da6effe1931be4dc4a6bd35020fa6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger persistence spyware stealer trojan

NanoCore

Maps connected drives based on registry

Checks whether UAC is enabled

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-05 02:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-05 02:05

Reported

2024-05-05 02:08

Platform

win7-20240221-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\ezcqb = "C:\\QGTQZTRE\\ezcqbS\\ezcqbSMhP.vbs" C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2328 set thread context of 2984 N/A C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 baby.ausluggage.com udp
US 8.8.4.4:53 baby.ausluggage.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp
US 8.8.8.8:53 mama.rnatrixgn.com udp
US 8.8.4.4:53 mama.rnatrixgn.com udp

Files

memory/2328-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

memory/2328-1-0x0000000001110000-0x00000000012C4000-memory.dmp

memory/2328-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

memory/2328-3-0x0000000000CA0000-0x0000000000D10000-memory.dmp

memory/2984-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2984-11-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2328-12-0x00000000743F0000-0x0000000074ADE000-memory.dmp

memory/2984-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2328-7-0x00000000743F0000-0x0000000074ADE000-memory.dmp

memory/2984-13-0x00000000744F2000-0x00000000744F4000-memory.dmp

memory/2984-15-0x00000000744F2000-0x00000000744F4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-05 02:05

Reported

2024-05-05 02:08

Platform

win10v2004-20240419-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ezcqb = "C:\\EXNCLZLI\\ezcqbS\\ezcqbSMhP.vbs" C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Inquiry List.pdf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

memory/948-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

memory/948-1-0x00000000008B0000-0x0000000000A64000-memory.dmp

memory/948-2-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/948-3-0x0000000005430000-0x00000000054A0000-memory.dmp

memory/948-4-0x0000000005AB0000-0x0000000006054000-memory.dmp

memory/948-7-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/948-9-0x00000000747C0000-0x0000000074F70000-memory.dmp