Malware Analysis Report

2024-09-11 10:19

Sample ID 240604-vrydnadf8t
Target 95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118
SHA256 4494a60d6eb89d80d93eb50682240a69ee88e21ceae5f15639a93c912db9299d
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

4494a60d6eb89d80d93eb50682240a69ee88e21ceae5f15639a93c912db9299d

Threat Level: Known bad

The file 95a3fc6b59f410da7cb82cfad6f8e25f_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

2024-06-04 17:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 17:14

Reported

2024-06-04 17:16

Platform

win7-20240508-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_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\95a3fc6b59f410da7cb82cfad6f8e25f_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 2348 set thread context of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_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\95a3fc6b59f410da7cb82cfad6f8e25f_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 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2348 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_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 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp

Files

memory/2348-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

memory/2348-1-0x0000000000B60000-0x0000000000BEC000-memory.dmp

memory/2348-2-0x00000000002B0000-0x00000000002E2000-memory.dmp

memory/2348-3-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2348-6-0x0000000073F80000-0x000000007466E000-memory.dmp

memory/2348-7-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-16-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-40-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-10-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-18-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-44-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-58-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-56-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-54-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-52-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-50-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-48-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-46-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-42-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-38-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-37-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-34-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-32-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-59-0x0000000000630000-0x000000000063C000-memory.dmp

memory/2348-60-0x0000000073F80000-0x000000007466E000-memory.dmp

memory/2348-30-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-28-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-26-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-24-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-22-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-20-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-14-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-12-0x0000000000400000-0x000000000041F000-memory.dmp

memory/2348-8-0x0000000000400000-0x000000000041F000-memory.dmp

memory/3004-61-0x0000000000400000-0x000000000040C000-memory.dmp

memory/3004-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3004-71-0x0000000000400000-0x000000000040C000-memory.dmp

memory/3004-69-0x0000000000400000-0x000000000040C000-memory.dmp

memory/3004-65-0x0000000000400000-0x000000000040C000-memory.dmp

memory/3004-63-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2348-74-0x0000000073F80000-0x000000007466E000-memory.dmp

memory/3004-75-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 17:14

Reported

2024-06-04 17:16

Platform

win10v2004-20240508-en

Max time kernel

134s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_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\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1680 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1680 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1680 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\95a3fc6b59f410da7cb82cfad6f8e25f_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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 88.221.83.224:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 224.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 150.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/1680-0-0x0000000074FCE000-0x0000000074FCF000-memory.dmp

memory/1680-1-0x0000000000A30000-0x0000000000ABC000-memory.dmp

memory/1680-2-0x0000000002C10000-0x0000000002C42000-memory.dmp

memory/1680-3-0x0000000002C60000-0x0000000002C86000-memory.dmp

memory/1680-6-0x0000000074FC0000-0x0000000075770000-memory.dmp

memory/1680-36-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-40-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-44-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-42-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-38-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-34-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-33-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-30-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-28-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-26-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-24-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-22-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-20-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-56-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-58-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-60-0x0000000005410000-0x00000000054AC000-memory.dmp

memory/1680-59-0x00000000052B0000-0x00000000052BC000-memory.dmp

memory/1680-54-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-50-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-48-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-52-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-46-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-18-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-16-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-14-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-12-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-8-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-7-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-10-0x0000000002C60000-0x0000000002C7F000-memory.dmp

memory/1680-62-0x0000000074FC0000-0x0000000075770000-memory.dmp