Malware Analysis Report

2025-01-02 03:36

Sample ID 240509-t4rk7sbf8x
Target 2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118
SHA256 2266f8df698c5a41573578ef9662f8497543dd774c01f6c4086802e9bab9dc6a
Tags
remcos bpa rat
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

2266f8df698c5a41573578ef9662f8497543dd774c01f6c4086802e9bab9dc6a

Threat Level: Known bad

The file 2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

remcos bpa rat

Remcos

Drops startup file

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 16:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 16:36

Reported

2024-05-09 16:39

Platform

win7-20240221-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe"

Signatures

Remcos

rat remcos

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msboot.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msboot.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2868 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe
PID 2868 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 msic10.quintetoffshore.com udp

Files

memory/2868-0-0x000000007469E000-0x000000007469F000-memory.dmp

memory/2868-1-0x0000000000160000-0x00000000001C6000-memory.dmp

memory/2868-2-0x0000000002040000-0x000000000207E000-memory.dmp

memory/2868-3-0x0000000074690000-0x0000000074D7E000-memory.dmp

memory/2868-4-0x0000000000370000-0x000000000037A000-memory.dmp

memory/2868-6-0x0000000000350000-0x000000000035C000-memory.dmp

memory/2868-7-0x0000000001FF0000-0x0000000001FF8000-memory.dmp

memory/2524-8-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-16-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2524-13-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-12-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-11-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-10-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-9-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2868-18-0x0000000074690000-0x0000000074D7E000-memory.dmp

memory/2524-19-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-20-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-21-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-24-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2524-28-0x0000000000400000-0x0000000000420000-memory.dmp

C:\Users\Admin\AppData\Roaming\winslog\logs.dat

MD5 7d1ccf2f4fb14e5f9b183c176521f8fd
SHA1 72a246eef02a3fecc99df02d6eafdfcca301c60c
SHA256 c4fae4e3721e08d151f9e257bcccc5795797b61c4ca7275a38a6342d5cde312d
SHA512 9de0ba12e879c8205457a11574ebe1dfdcc301919501e3c2218ecf2a8c2872899e1e75249941a8d577d55942295ebaad512d5c5e084db625383dd8c71728947d

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 16:36

Reported

2024-05-09 16:39

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msboot.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msboot.exe C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2ae2dc17dfe816e90c672e0fbc19922f_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
BE 2.17.196.91:443 www.bing.com tcp
US 8.8.8.8:53 91.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 144.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/216-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

memory/216-1-0x0000000000D50000-0x0000000000DB6000-memory.dmp

memory/216-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

memory/216-3-0x0000000005780000-0x0000000005812000-memory.dmp

memory/216-4-0x0000000005850000-0x000000000588E000-memory.dmp

memory/216-5-0x00000000059B0000-0x0000000005A4C000-memory.dmp

memory/216-6-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

memory/216-7-0x00000000751E0000-0x0000000075990000-memory.dmp

memory/216-9-0x0000000005AA0000-0x0000000005AAC000-memory.dmp

memory/216-10-0x0000000005CE0000-0x0000000005D46000-memory.dmp

memory/216-11-0x00000000751EE000-0x00000000751EF000-memory.dmp

memory/216-12-0x00000000751E0000-0x0000000075990000-memory.dmp