Malware Analysis Report

2024-09-11 09:57

Sample ID 240429-qlsh1abh3x
Target 07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118
SHA256 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be
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

37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be

Threat Level: Known bad

The file 07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

limerat rat

Limerat family

LimeRAT

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Maps connected drives based on registry

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Persistence
TA0003
Scheduled Task/Job
T1053
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
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

2024-04-29 13:21

Signatures

Limerat family

limerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-29 13:21

Reported

2024-04-29 13:23

Platform

win7-20240221-en

Max time kernel

133s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\VM\RuntimeBroker.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\VM\RuntimeBroker.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\VM\RuntimeBroker.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\VM\RuntimeBroker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\VM\RuntimeBroker.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1796 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1796 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1796 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1796 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1796 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Users\Admin\VM\RuntimeBroker.exe
PID 1796 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Users\Admin\VM\RuntimeBroker.exe
PID 1796 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Users\Admin\VM\RuntimeBroker.exe
PID 1796 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Users\Admin\VM\RuntimeBroker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\VM\RuntimeBroker.exe'"

C:\Users\Admin\VM\RuntimeBroker.exe

"C:\Users\Admin\VM\RuntimeBroker.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.3.235:443 pastebin.com tcp
IT 185.25.207.147:9987 tcp
IT 185.25.207.147:9987 tcp
IT 185.25.207.147:9987 tcp
IT 185.25.207.147:9987 tcp
IT 185.25.207.147:9987 tcp
IT 185.25.207.147:9987 tcp

Files

memory/1796-0-0x00000000000C0000-0x00000000000CC000-memory.dmp

memory/1796-1-0x00000000740C0000-0x00000000747AE000-memory.dmp

memory/1796-3-0x0000000004470000-0x00000000044B0000-memory.dmp

\Users\Admin\VM\RuntimeBroker.exe

MD5 07c27d514bfbde4482b8e1b6ea27b456
SHA1 535e1b3f81abcfcbae2066f28f3bcbded60e6829
SHA256 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be
SHA512 f69492a2c8a6eca0abfb57f4b7e0d9bd347f8c8b6e952ce1998b13bf0df898e47ad87dfb3d28f6a47ff8e7652fd4ed3305fce5103b4c3e9ec29fd8af599555d2

memory/1736-13-0x0000000001360000-0x000000000136C000-memory.dmp

memory/1736-14-0x00000000740C0000-0x00000000747AE000-memory.dmp

memory/1796-15-0x00000000740C0000-0x00000000747AE000-memory.dmp

memory/1736-16-0x0000000001300000-0x0000000001340000-memory.dmp

memory/1736-17-0x00000000740C0000-0x00000000747AE000-memory.dmp

memory/1736-18-0x0000000001300000-0x0000000001340000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-29 13:21

Reported

2024-04-29 13:23

Platform

win10v2004-20240419-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\VM\RuntimeBroker.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:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\VM\RuntimeBroker.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\VM\RuntimeBroker.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\VM\RuntimeBroker.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\VM\RuntimeBroker.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2768 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2768 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2768 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2768 wrote to memory of 5528 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Users\Admin\VM\RuntimeBroker.exe
PID 2768 wrote to memory of 5528 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Users\Admin\VM\RuntimeBroker.exe
PID 2768 wrote to memory of 5528 N/A C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe C:\Users\Admin\VM\RuntimeBroker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\07c27d514bfbde4482b8e1b6ea27b456_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\VM\RuntimeBroker.exe'"

C:\Users\Admin\VM\RuntimeBroker.exe

"C:\Users\Admin\VM\RuntimeBroker.exe"

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.160:443 www.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 160.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.4.235:443 pastebin.com tcp
IT 185.25.207.147:9987 tcp
US 8.8.8.8:53 235.4.20.104.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
IT 185.25.207.147:9987 tcp
IT 185.25.207.147:9987 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
IT 185.25.207.147:9987 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
IT 185.25.207.147:9987 tcp
IT 185.25.207.147:9987 tcp
IT 185.25.207.147:9987 tcp

Files

memory/2768-1-0x0000000075340000-0x0000000075AF0000-memory.dmp

memory/2768-0-0x0000000000180000-0x000000000018C000-memory.dmp

memory/2768-2-0x0000000004B40000-0x0000000004BDC000-memory.dmp

memory/2768-3-0x0000000004BE0000-0x0000000004C46000-memory.dmp

memory/2768-4-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

memory/2768-5-0x0000000005900000-0x0000000005EA4000-memory.dmp

C:\Users\Admin\VM\RuntimeBroker.exe

MD5 07c27d514bfbde4482b8e1b6ea27b456
SHA1 535e1b3f81abcfcbae2066f28f3bcbded60e6829
SHA256 37d6832272f4b87fd9194539e17c5da57b8c4508d54e586b8c6bcf8b856f82be
SHA512 f69492a2c8a6eca0abfb57f4b7e0d9bd347f8c8b6e952ce1998b13bf0df898e47ad87dfb3d28f6a47ff8e7652fd4ed3305fce5103b4c3e9ec29fd8af599555d2

memory/2768-15-0x0000000075340000-0x0000000075AF0000-memory.dmp

memory/5528-16-0x0000000075340000-0x0000000075AF0000-memory.dmp

memory/5528-17-0x0000000075340000-0x0000000075AF0000-memory.dmp