Malware Analysis Report

2024-11-16 13:09

Sample ID 220612-22dwbsehd5
Target 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33
SHA256 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33
Tags
limerat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33

Threat Level: Known bad

The file 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33 was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Limerat family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Maps connected drives based on registry

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-12 23:04

Signatures

Limerat family

limerat

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-12 23:04

Reported

2022-06-13 04:55

Platform

win10v2004-20220414-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\shel\Shellters.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe N/A

Legitimate hosting services abused for malware hosting/C2

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\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Roaming\shel\Shellters.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Roaming\shel\Shellters.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\AppData\Roaming\shel\Shellters.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\shel\Shellters.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe

"C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe"

C:\Windows\SysWOW64\schtasks.exe

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

C:\Users\Admin\AppData\Roaming\shel\Shellters.exe

"C:\Users\Admin\AppData\Roaming\shel\Shellters.exe"

Network

Country Destination Domain Proto
US 20.42.65.88:443 tcp
US 8.8.8.8:53 pastebin.com udp
US 172.67.34.170:443 pastebin.com tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 87.248.202.1:80 tcp
US 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 2.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

memory/3568-130-0x0000000000F80000-0x0000000000F8C000-memory.dmp

memory/3568-131-0x0000000005950000-0x00000000059EC000-memory.dmp

memory/3568-132-0x00000000059F0000-0x0000000005A56000-memory.dmp

memory/3568-133-0x0000000006810000-0x0000000006DB4000-memory.dmp

memory/4136-134-0x0000000000000000-mapping.dmp

memory/1456-135-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\shel\Shellters.exe

MD5 85da8884dc74b154f352f92972951f43
SHA1 ea54269917851d963115a1612e137618eab3ca32
SHA256 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33
SHA512 d15fbbb677c49629a47ce63994d88b07d72f0d29a1be7fc799f762c4f5bfddd6bc3449f84e67ab56864bfbc6bc371604463f7ee6a17cb10ff5b12ef563d1cc6e

C:\Users\Admin\AppData\Roaming\shel\Shellters.exe

MD5 85da8884dc74b154f352f92972951f43
SHA1 ea54269917851d963115a1612e137618eab3ca32
SHA256 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33
SHA512 d15fbbb677c49629a47ce63994d88b07d72f0d29a1be7fc799f762c4f5bfddd6bc3449f84e67ab56864bfbc6bc371604463f7ee6a17cb10ff5b12ef563d1cc6e

memory/1456-138-0x0000000006170000-0x0000000006202000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-12 23:04

Reported

2022-06-13 04:55

Platform

win7-20220414-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\shel\Shellters.exe N/A

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Roaming\shel\Shellters.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Roaming\shel\Shellters.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\AppData\Roaming\shel\Shellters.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\shel\Shellters.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 960 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe C:\Windows\SysWOW64\schtasks.exe
PID 960 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe C:\Windows\SysWOW64\schtasks.exe
PID 960 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe C:\Windows\SysWOW64\schtasks.exe
PID 960 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe C:\Windows\SysWOW64\schtasks.exe
PID 960 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe C:\Users\Admin\AppData\Roaming\shel\Shellters.exe
PID 960 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe C:\Users\Admin\AppData\Roaming\shel\Shellters.exe
PID 960 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe C:\Users\Admin\AppData\Roaming\shel\Shellters.exe
PID 960 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe C:\Users\Admin\AppData\Roaming\shel\Shellters.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe

"C:\Users\Admin\AppData\Local\Temp\1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33.exe"

C:\Windows\SysWOW64\schtasks.exe

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

C:\Users\Admin\AppData\Roaming\shel\Shellters.exe

"C:\Users\Admin\AppData\Roaming\shel\Shellters.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.67.143:443 pastebin.com tcp

Files

memory/960-54-0x0000000000F20000-0x0000000000F2C000-memory.dmp

memory/1764-55-0x0000000000000000-mapping.dmp

memory/960-56-0x0000000076571000-0x0000000076573000-memory.dmp

\Users\Admin\AppData\Roaming\shel\Shellters.exe

MD5 85da8884dc74b154f352f92972951f43
SHA1 ea54269917851d963115a1612e137618eab3ca32
SHA256 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33
SHA512 d15fbbb677c49629a47ce63994d88b07d72f0d29a1be7fc799f762c4f5bfddd6bc3449f84e67ab56864bfbc6bc371604463f7ee6a17cb10ff5b12ef563d1cc6e

\Users\Admin\AppData\Roaming\shel\Shellters.exe

MD5 85da8884dc74b154f352f92972951f43
SHA1 ea54269917851d963115a1612e137618eab3ca32
SHA256 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33
SHA512 d15fbbb677c49629a47ce63994d88b07d72f0d29a1be7fc799f762c4f5bfddd6bc3449f84e67ab56864bfbc6bc371604463f7ee6a17cb10ff5b12ef563d1cc6e

memory/1912-59-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\shel\Shellters.exe

MD5 85da8884dc74b154f352f92972951f43
SHA1 ea54269917851d963115a1612e137618eab3ca32
SHA256 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33
SHA512 d15fbbb677c49629a47ce63994d88b07d72f0d29a1be7fc799f762c4f5bfddd6bc3449f84e67ab56864bfbc6bc371604463f7ee6a17cb10ff5b12ef563d1cc6e

C:\Users\Admin\AppData\Roaming\shel\Shellters.exe

MD5 85da8884dc74b154f352f92972951f43
SHA1 ea54269917851d963115a1612e137618eab3ca32
SHA256 1de541692724005757f82e407461e28b2a7f27d38041fa01e62195f6222fdc33
SHA512 d15fbbb677c49629a47ce63994d88b07d72f0d29a1be7fc799f762c4f5bfddd6bc3449f84e67ab56864bfbc6bc371604463f7ee6a17cb10ff5b12ef563d1cc6e

memory/1912-62-0x0000000000B70000-0x0000000000B7C000-memory.dmp