Malware Analysis Report

2024-09-11 10:20

Sample ID 240717-j8n1rsselk
Target 522c91c145451787b1ab02d9c34293fb_JaffaCakes118
SHA256 8208318d614b3d51d47a634a6d7ddc60d2d40732b0d51460ff78df5d7cd49124
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

8208318d614b3d51d47a634a6d7ddc60d2d40732b0d51460ff78df5d7cd49124

Threat Level: Known bad

The file 522c91c145451787b1ab02d9c34293fb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Drops startup file

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
Peripheral Device Discovery
T1120
System Information Discovery
T1082
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

2024-07-17 08:20

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

2024-07-17 08:20

Reported

2024-07-17 08:23

Platform

win7-20240705-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_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\MaxxAudioMeters64.url C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_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

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2708 set thread context of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2708 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.3.235:443 pastebin.com tcp

Files

memory/2708-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2132-7-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2132-8-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2132-1-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2132-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2132-2-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2132-13-0x000000007433E000-0x000000007433F000-memory.dmp

memory/2132-14-0x0000000074330000-0x0000000074A1E000-memory.dmp

memory/2132-15-0x000000007433E000-0x000000007433F000-memory.dmp

memory/2132-16-0x0000000074330000-0x0000000074A1E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 08:20

Reported

2024-07-17 08:23

Platform

win10v2004-20240709-en

Max time kernel

145s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_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\MaxxAudioMeters64.url C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_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

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3552 set thread context of 4296 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3552 wrote to memory of 4296 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3552 wrote to memory of 4296 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3552 wrote to memory of 4296 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3552 wrote to memory of 4296 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3552 wrote to memory of 4296 N/A C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\522c91c145451787b1ab02d9c34293fb_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
US 8.8.8.8:53 24.19.67.172.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4296-0-0x0000000000400000-0x000000000040C000-memory.dmp

memory/3552-4-0x0000000000730000-0x0000000000731000-memory.dmp

memory/4296-9-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

memory/4296-10-0x0000000005290000-0x000000000532C000-memory.dmp

memory/4296-11-0x0000000005330000-0x0000000005396000-memory.dmp

memory/4296-12-0x0000000073EC0000-0x0000000074670000-memory.dmp

memory/4296-13-0x0000000006020000-0x00000000065C4000-memory.dmp

memory/4296-14-0x00000000068B0000-0x0000000006942000-memory.dmp

memory/4296-15-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

memory/4296-16-0x0000000073EC0000-0x0000000074670000-memory.dmp