Malware Analysis Report

2024-09-11 10:02

Sample ID 240512-bgb8wscb45
Target 369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe
SHA256 369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a
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

369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a

Threat Level: Known bad

The file 369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Limerat family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

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
System Information Discovery
T1082
Query Registry
T1012
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

2024-05-12 01:06

Signatures

Limerat family

limerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-12 01:06

Reported

2024-05-12 01:09

Platform

win7-20240221-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.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

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\AppData\Local\Temp\system\Google.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\system\Google.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1936 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 1936 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 1936 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 1936 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 1936 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe
PID 1936 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe
PID 1936 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe
PID 1936 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe

Processes

C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe

"C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\system\Google.exe'"

C:\Users\Admin\AppData\Local\Temp\system\Google.exe

"C:\Users\Admin\AppData\Local\Temp\system\Google.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.3.235:443 pastebin.com tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp

Files

memory/1936-0-0x000000007423E000-0x000000007423F000-memory.dmp

memory/1936-1-0x0000000000D90000-0x0000000000D9E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\system\Google.exe

MD5 cc893a8b514d6874965dd29c0c473732
SHA1 69f56d454e6facba1eadffbdc7c2bf826b01ceaf
SHA256 369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a
SHA512 9ce978051ec948e2178a2cbbaf3b72d8367b0b711772ab7c903c34362c0ad848d152fd73babdeca5b86a775460075f526e42ddd4a0062b7b0330b45d495ac9e9

memory/2484-12-0x0000000000200000-0x000000000020E000-memory.dmp

memory/1936-13-0x0000000074230000-0x000000007491E000-memory.dmp

memory/2484-14-0x0000000074230000-0x000000007491E000-memory.dmp

memory/2484-15-0x0000000074230000-0x000000007491E000-memory.dmp

memory/2484-16-0x0000000074230000-0x000000007491E000-memory.dmp

memory/2484-17-0x0000000074230000-0x000000007491E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-12 01:06

Reported

2024-05-12 01:09

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe"

Signatures

LimeRAT

rat limerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\system\Google.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

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\AppData\Local\Temp\system\Google.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\system\Google.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 556 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 556 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 556 wrote to memory of 2012 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 556 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe
PID 556 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe
PID 556 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe

Processes

C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe

"C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\system\Google.exe'"

C:\Users\Admin\AppData\Local\Temp\system\Google.exe

"C:\Users\Admin\AppData\Local\Temp\system\Google.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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 24.19.67.172.in-addr.arpa udp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 26.35.223.20.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
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 204.201.50.20.in-addr.arpa udp

Files

memory/556-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

memory/556-1-0x0000000000EB0000-0x0000000000EBE000-memory.dmp

memory/556-2-0x0000000005910000-0x00000000059AC000-memory.dmp

memory/556-3-0x0000000005870000-0x00000000058D6000-memory.dmp

memory/556-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/556-5-0x0000000006520000-0x0000000006AC4000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\system\Google.exe

MD5 cc893a8b514d6874965dd29c0c473732
SHA1 69f56d454e6facba1eadffbdc7c2bf826b01ceaf
SHA256 369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a
SHA512 9ce978051ec948e2178a2cbbaf3b72d8367b0b711772ab7c903c34362c0ad848d152fd73babdeca5b86a775460075f526e42ddd4a0062b7b0330b45d495ac9e9

memory/1512-15-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/556-16-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/1512-17-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/1512-18-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/1512-19-0x0000000074D20000-0x00000000754D0000-memory.dmp