limerat | a3269daa8b505dde535e55c76d5cc76236fb45323719cb34eedf9d120caf3be1

General

Target

jRPSjUSf.exe
Size

50KB
MD5

2887c6eca27dc9a071a5c56cbaaf16cd
SHA1

de501f95cb4f87369d8e4d50f953e8c00c1f1256
SHA256

a3269daa8b505dde535e55c76d5cc76236fb45323719cb34eedf9d120caf3be1
SHA512

1f19cb983e66938fe1ded86ddeb471e456c81d362d6fc7713ac547cca1e17306201130689e948034a68930e9788b1169e41757fcb3fb6b8dafb3e0260af6ac21

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
admin
antivm
false
c2_url
https://pastebin.com/raw/W7rdvrw6
delay
45
download_payload
false
install
true
install_name
windows.exe
main_folder
AppData
pin_spread
true
sub_folder
\windows\
usb_spread
false

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat
Executes dropped EXE 1 IoCs

Processes:

windows.exe

pid process

852 windows.exe
Loads dropped DLL 2 IoCs

Processes:

jRPSjUSf.exe

pid process

2004 jRPSjUSf.exe
2004 jRPSjUSf.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1792 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

windows.exe

description pid process

Token: SeDebugPrivilege 852 windows.exe
Token: SeDebugPrivilege 852 windows.exe

pid	process
852	windows.exe

pid	process
2004	jRPSjUSf.exe
2004	jRPSjUSf.exe

pid	process
1792	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	852	windows.exe
Token: SeDebugPrivilege	852	windows.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

jRPSjUSf.exe

description	pid	process	target process
PID 2004 wrote to memory of 1792	2004	jRPSjUSf.exe	schtasks.exe
PID 2004 wrote to memory of 1792	2004	jRPSjUSf.exe	schtasks.exe
PID 2004 wrote to memory of 1792	2004	jRPSjUSf.exe	schtasks.exe
PID 2004 wrote to memory of 1792	2004	jRPSjUSf.exe	schtasks.exe
PID 2004 wrote to memory of 852	2004	jRPSjUSf.exe	windows.exe
PID 2004 wrote to memory of 852	2004	jRPSjUSf.exe	windows.exe
PID 2004 wrote to memory of 852	2004	jRPSjUSf.exe	windows.exe
PID 2004 wrote to memory of 852	2004	jRPSjUSf.exe	windows.exe

C:\Users\Admin\AppData\Local\Temp\jRPSjUSf.exe
"C:\Users\Admin\AppData\Local\Temp\jRPSjUSf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\windows\windows.exe'"
2⤵
- Creates scheduled task(s)
PID:1792

C:\Users\Admin\AppData\Roaming\windows\windows.exe
"C:\Users\Admin\AppData\Roaming\windows\windows.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:852

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\windows\windows.exe
MD5
2887c6eca27dc9a071a5c56cbaaf16cd

SHA1
de501f95cb4f87369d8e4d50f953e8c00c1f1256

SHA256
a3269daa8b505dde535e55c76d5cc76236fb45323719cb34eedf9d120caf3be1

SHA512
1f19cb983e66938fe1ded86ddeb471e456c81d362d6fc7713ac547cca1e17306201130689e948034a68930e9788b1169e41757fcb3fb6b8dafb3e0260af6ac21

Download Submit
C:\Users\Admin\AppData\Roaming\windows\windows.exe
MD5
2887c6eca27dc9a071a5c56cbaaf16cd

SHA1
de501f95cb4f87369d8e4d50f953e8c00c1f1256

SHA256
a3269daa8b505dde535e55c76d5cc76236fb45323719cb34eedf9d120caf3be1

SHA512
1f19cb983e66938fe1ded86ddeb471e456c81d362d6fc7713ac547cca1e17306201130689e948034a68930e9788b1169e41757fcb3fb6b8dafb3e0260af6ac21

Download Submit
\Users\Admin\AppData\Roaming\windows\windows.exe
MD5
2887c6eca27dc9a071a5c56cbaaf16cd

SHA1
de501f95cb4f87369d8e4d50f953e8c00c1f1256

SHA256
a3269daa8b505dde535e55c76d5cc76236fb45323719cb34eedf9d120caf3be1

SHA512
1f19cb983e66938fe1ded86ddeb471e456c81d362d6fc7713ac547cca1e17306201130689e948034a68930e9788b1169e41757fcb3fb6b8dafb3e0260af6ac21

Download Submit
\Users\Admin\AppData\Roaming\windows\windows.exe
MD5
2887c6eca27dc9a071a5c56cbaaf16cd

SHA1
de501f95cb4f87369d8e4d50f953e8c00c1f1256

SHA256
a3269daa8b505dde535e55c76d5cc76236fb45323719cb34eedf9d120caf3be1

SHA512
1f19cb983e66938fe1ded86ddeb471e456c81d362d6fc7713ac547cca1e17306201130689e948034a68930e9788b1169e41757fcb3fb6b8dafb3e0260af6ac21

Download Submit
memory/852-64-0x0000000000000000-mapping.dmp

Download
memory/852-67-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/852-70-0x00000000049A0000-0x00000000049A1000-memory.dmp

Filesize
4KB

Download
memory/1792-61-0x0000000000000000-mapping.dmp

Download
memory/2004-59-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/2004-69-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads