Malware Analysis Report

2025-01-19 07:03

Sample ID 240625-nzllhaxgpc
Target 0df51cc3d751230017e8319aac7d1ef5_JaffaCakes118
SHA256 6ef711a016ef3c9a3451be2100ff6a41e28c1f5d2b04ae304bf5d489fd7d5c6a
Tags
ramnit banker spyware stealer trojan worm
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

6ef711a016ef3c9a3451be2100ff6a41e28c1f5d2b04ae304bf5d489fd7d5c6a

Threat Level: Known bad

The file 0df51cc3d751230017e8319aac7d1ef5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ramnit banker spyware stealer trojan worm

Ramnit

Ramnit family

Checks BIOS information in registry

Drops startup file

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 11:50

Signatures

Ramnit family

ramnit

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 11:50

Reported

2024-06-25 11:52

Platform

win7-20240611-en

Max time kernel

122s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0df51cc3d751230017e8319aac7d1ef5_JaffaCakes118.dll,#1

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Windows\SysWOW64\rundll32.exe N/A

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\phunuoxj.exe C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\dmlconf.dat C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\hbdbklos\px7955.tmp C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification C:\Program Files (x86)\hbdbklos\phunuoxj.exe C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1916 wrote to memory of 2648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 2648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 2648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 2648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 2648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 2648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 2648 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0df51cc3d751230017e8319aac7d1ef5_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0df51cc3d751230017e8319aac7d1ef5_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2648-0-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2648-1-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 11:50

Reported

2024-06-25 11:52

Platform

win10v2004-20240226-en

Max time kernel

140s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0df51cc3d751230017e8319aac7d1ef5_JaffaCakes118.dll,#1

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Windows\SysWOW64\rundll32.exe N/A

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hqhvlwmk.exe C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\dmlconf.dat C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\ynpjbwdw\px52BF.tmp C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification C:\Program Files (x86)\ynpjbwdw\hqhvlwmk.exe C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 8 wrote to memory of 1500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 8 wrote to memory of 1500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 8 wrote to memory of 1500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0df51cc3d751230017e8319aac7d1ef5_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\0df51cc3d751230017e8319aac7d1ef5_JaffaCakes118.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 88.65.42.20.in-addr.arpa udp

Files

memory/1500-0-0x0000000010000000-0x0000000010023000-memory.dmp