Malware Analysis Report

2024-09-11 09:59

Sample ID 240508-yqagzsfc46
Target 267a4c85d232e2ac38129146e11076fe_JaffaCakes118
SHA256 861b6c9421ebe142f5a3c13817190ab30b5b7b5e68692e886639589b784086e4
Tags
limerat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

861b6c9421ebe142f5a3c13817190ab30b5b7b5e68692e886639589b784086e4

Threat Level: Known bad

The file 267a4c85d232e2ac38129146e11076fe_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Drops startup file

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-08 19:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 19:58

Reported

2024-05-08 20:01

Platform

win7-20240221-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vbc.url C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2872 set thread context of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
CA 23.249.161.100:80 tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.4.235:443 pastebin.com tcp

Files

memory/2872-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

memory/2872-1-0x00000000001F0000-0x0000000000294000-memory.dmp

memory/2872-2-0x00000000005E0000-0x0000000000664000-memory.dmp

memory/2872-3-0x00000000745B0000-0x0000000074C9E000-memory.dmp

memory/2872-4-0x0000000001F20000-0x0000000001F52000-memory.dmp

memory/2872-5-0x0000000001EC0000-0x0000000001EE6000-memory.dmp

memory/2872-11-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-9-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-8-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-19-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-45-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-57-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-53-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-59-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-55-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-51-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-49-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-47-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-43-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-41-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-60-0x0000000004090000-0x000000000409C000-memory.dmp

memory/2872-39-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-61-0x00000000745B0000-0x0000000074C9E000-memory.dmp

memory/2872-37-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-35-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-33-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-31-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-29-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-27-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-25-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-23-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-21-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-17-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-15-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2872-13-0x0000000001EC0000-0x0000000001EDF000-memory.dmp

memory/2348-62-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2348-72-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2348-70-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2348-68-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2348-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2348-65-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2348-64-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2872-73-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 19:58

Reported

2024-05-08 20:01

Platform

win10v2004-20240508-en

Max time kernel

94s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vbc.url C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1360 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1360 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1360 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\267a4c85d232e2ac38129146e11076fe_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.208:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 208.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/1360-0-0x000000007471E000-0x000000007471F000-memory.dmp

memory/1360-1-0x0000000000C40000-0x0000000000CE4000-memory.dmp

memory/1360-2-0x00000000055F0000-0x0000000005674000-memory.dmp

memory/1360-3-0x0000000074710000-0x0000000074EC0000-memory.dmp

memory/1360-4-0x0000000005680000-0x00000000056B2000-memory.dmp

memory/1360-5-0x00000000056B0000-0x00000000056D6000-memory.dmp

memory/1360-8-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-23-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-55-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-59-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-60-0x0000000005710000-0x000000000571C000-memory.dmp

memory/1360-61-0x00000000057F0000-0x000000000588C000-memory.dmp

memory/1360-63-0x0000000074710000-0x0000000074EC0000-memory.dmp

memory/1360-57-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-53-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-51-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-49-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-47-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-45-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-43-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-41-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-35-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-33-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-31-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-29-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-39-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-37-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-27-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-25-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-21-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-19-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-17-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-15-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-13-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-11-0x00000000056B0000-0x00000000056CF000-memory.dmp

memory/1360-9-0x00000000056B0000-0x00000000056CF000-memory.dmp