Malware Analysis Report

2024-09-11 10:03

Sample ID 240327-pt5mvsfd4v
Target 9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af
SHA256 9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af
Tags
limerat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af

Threat Level: Known bad

The file 9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af was found to be: Known bad.

Malicious Activity Summary

limerat rat

Limerat family

LimeRAT

Checks computer location settings

Executes dropped EXE

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

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

2024-03-27 12:38

Signatures

Limerat family

limerat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-27 12:38

Reported

2024-03-27 12:40

Platform

win11-20240214-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\system11.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\Roaming\Microsoft\system11.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Windows\SysWOW64\schtasks.exe
PID 2232 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Windows\SysWOW64\schtasks.exe
PID 2232 wrote to memory of 4548 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Windows\SysWOW64\schtasks.exe
PID 2232 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe
PID 2232 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe
PID 2232 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe

"C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe'"

C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 172.67.34.170:443 pastebin.com tcp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 170.34.67.172.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp

Files

memory/2232-0-0x00000000009D0000-0x00000000009DC000-memory.dmp

memory/2232-1-0x00000000743C0000-0x0000000074B71000-memory.dmp

memory/2232-2-0x00000000054D0000-0x000000000556C000-memory.dmp

memory/2232-3-0x0000000005430000-0x0000000005496000-memory.dmp

memory/2232-4-0x0000000005700000-0x0000000005710000-memory.dmp

memory/2232-5-0x0000000006140000-0x00000000066E6000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe

MD5 e3c80bd4160a930c6a18814bd404f114
SHA1 ba054718db83cb3bc88cbffc0e744f970284012a
SHA256 9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af
SHA512 44e1555c5676e7e861a7156cc6c1d0a1d2c07596445f6d468b26311220b398b521b6ebe09b61abdebfc63f1d358b2ddd18a8f079dea88398696587f511814ea3

memory/1828-16-0x00000000743C0000-0x0000000074B71000-memory.dmp

memory/2232-15-0x00000000743C0000-0x0000000074B71000-memory.dmp

memory/1828-17-0x00000000031F0000-0x0000000003200000-memory.dmp

memory/1828-18-0x00000000743C0000-0x0000000074B71000-memory.dmp

memory/1828-19-0x00000000031F0000-0x0000000003200000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-27 12:38

Reported

2024-03-27 12:40

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe"

Signatures

LimeRAT

rat limerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\system11.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\Roaming\Microsoft\system11.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3080 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Windows\SysWOW64\schtasks.exe
PID 3080 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Windows\SysWOW64\schtasks.exe
PID 3080 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Windows\SysWOW64\schtasks.exe
PID 3080 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe
PID 3080 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe
PID 3080 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe

"C:\Users\Admin\AppData\Local\Temp\9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe'"

C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 5.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 20.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.67.143:443 pastebin.com tcp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 143.67.20.104.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 64.134.221.88.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 29.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 34.179.17.96.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
UA 194.147.140.239:8878 tcp
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
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 31.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
UA 194.147.140.239:8878 tcp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp
UA 194.147.140.239:8878 tcp

Files

memory/3080-1-0x00000000749C0000-0x0000000075170000-memory.dmp

memory/3080-0-0x0000000000A20000-0x0000000000A2C000-memory.dmp

memory/3080-2-0x0000000005420000-0x00000000054BC000-memory.dmp

memory/3080-3-0x00000000054E0000-0x0000000005546000-memory.dmp

memory/3080-4-0x00000000055D0000-0x00000000055E0000-memory.dmp

memory/3080-5-0x0000000006090000-0x0000000006634000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\system11.exe

MD5 e3c80bd4160a930c6a18814bd404f114
SHA1 ba054718db83cb3bc88cbffc0e744f970284012a
SHA256 9e416d0dbd3c5dc595ed19abafef21b70c10093c82d2ea57fe19ac0a9abb01af
SHA512 44e1555c5676e7e861a7156cc6c1d0a1d2c07596445f6d468b26311220b398b521b6ebe09b61abdebfc63f1d358b2ddd18a8f079dea88398696587f511814ea3

memory/3416-15-0x00000000749C0000-0x0000000075170000-memory.dmp

memory/3080-16-0x00000000749C0000-0x0000000075170000-memory.dmp

memory/3416-17-0x00000000057E0000-0x00000000057F0000-memory.dmp

memory/3416-18-0x00000000749C0000-0x0000000075170000-memory.dmp

memory/3416-19-0x00000000057E0000-0x00000000057F0000-memory.dmp