Malware Analysis Report

2024-09-11 09:59

Sample ID 240512-kwl63scb53
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 family

LimeRAT

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-12 08:57

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 08:57

Reported

2024-05-12 08:59

Platform

win7-20240508-en

Max time kernel

145s

Max time network

146s

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

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 2320 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 2320 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 2320 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 2320 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Windows\SysWOW64\schtasks.exe
PID 2320 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe
PID 2320 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe
PID 2320 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe C:\Users\Admin\AppData\Local\Temp\system\Google.exe
PID 2320 wrote to memory of 2652 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 172.67.19.24:443 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

Files

memory/2320-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

memory/2320-1-0x0000000000EA0000-0x0000000000EAE000-memory.dmp

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

MD5 cc893a8b514d6874965dd29c0c473732
SHA1 69f56d454e6facba1eadffbdc7c2bf826b01ceaf
SHA256 369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a
SHA512 9ce978051ec948e2178a2cbbaf3b72d8367b0b711772ab7c903c34362c0ad848d152fd73babdeca5b86a775460075f526e42ddd4a0062b7b0330b45d495ac9e9

memory/2652-12-0x0000000000FA0000-0x0000000000FAE000-memory.dmp

memory/2320-13-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/2652-14-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/2652-15-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/2652-16-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/2652-17-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-12 08:57

Reported

2024-05-12 08:59

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

149s

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-1-5-21-1181767204-2009306918-3718769404-1000\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

Processes

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3988,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=1036 /prefetch:8

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 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 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
NL 23.62.61.152:443 www.bing.com tcp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 152.61.62.23.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
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 172.210.232.199.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 19.229.111.52.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
N/A 127.0.0.1:4577 tcp
US 8.8.8.8:53 25.140.123.92.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
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/1816-0-0x000000007500E000-0x000000007500F000-memory.dmp

memory/1816-1-0x00000000009F0000-0x00000000009FE000-memory.dmp

memory/1816-2-0x0000000005230000-0x00000000052CC000-memory.dmp

memory/1816-3-0x00000000052F0000-0x0000000005356000-memory.dmp

memory/1816-4-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/1816-5-0x0000000006050000-0x00000000065F4000-memory.dmp

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

MD5 cc893a8b514d6874965dd29c0c473732
SHA1 69f56d454e6facba1eadffbdc7c2bf826b01ceaf
SHA256 369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a
SHA512 9ce978051ec948e2178a2cbbaf3b72d8367b0b711772ab7c903c34362c0ad848d152fd73babdeca5b86a775460075f526e42ddd4a0062b7b0330b45d495ac9e9

memory/3212-16-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/1816-15-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/3212-17-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/3212-18-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/3212-19-0x0000000075000000-0x00000000757B0000-memory.dmp