Malware Analysis Report

2024-12-07 22:46

Sample ID 240514-wpbybahg35
Target 426c363f03bef1b60bea03b7b4e63892_JaffaCakes118
SHA256 0176da378222189ea0718270abe02d6e1b88ec962b67a974b7a95140e40f604b
Tags
remcos rat upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

0176da378222189ea0718270abe02d6e1b88ec962b67a974b7a95140e40f604b

Threat Level: Known bad

The file 426c363f03bef1b60bea03b7b4e63892_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

remcos rat upx

Remcos

UPX packed file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-14 18:05

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-14 18:05

Reported

2024-05-14 18:07

Platform

win7-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\426c363f03bef1b60bea03b7b4e63892_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\426c363f03bef1b60bea03b7b4e63892_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\426c363f03bef1b60bea03b7b4e63892_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\System32\svchost.exe"

Network

Country Destination Domain Proto
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp

Files

memory/2548-0-0x0000000000150000-0x0000000000151000-memory.dmp

memory/1672-2-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1672-1-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1672-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1672-9-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1672-10-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1672-11-0x0000000000400000-0x0000000000426000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-14 18:05

Reported

2024-05-14 18:07

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\426c363f03bef1b60bea03b7b4e63892_JaffaCakes118.exe"

Signatures

Remcos

rat remcos

UPX packed file

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1612 set thread context of 4944 N/A C:\Users\Admin\AppData\Local\Temp\426c363f03bef1b60bea03b7b4e63892_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\426c363f03bef1b60bea03b7b4e63892_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\426c363f03bef1b60bea03b7b4e63892_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\System32\svchost.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\System32\svchost.exe"

Network

Country Destination Domain Proto
US 162.212.134.109:25354 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.200:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 200.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
BE 88.221.83.200:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 162.212.134.109:25354 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp
US 162.212.134.109:25354 tcp

Files

memory/1612-0-0x0000000001020000-0x0000000001021000-memory.dmp

memory/4944-1-0x0000000000400000-0x0000000000426000-memory.dmp

memory/4944-7-0x0000000000400000-0x0000000000426000-memory.dmp

memory/4944-8-0x0000000000400000-0x0000000000426000-memory.dmp

memory/4944-9-0x0000000000400000-0x0000000000426000-memory.dmp