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

796 windows.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

3464 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

windows.exe

description pid process

Token: SeDebugPrivilege 796 windows.exe
Token: SeDebugPrivilege 796 windows.exe

pid	process
796	windows.exe

pid	process
3464	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	796	windows.exe
Token: SeDebugPrivilege	796	windows.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

jRPSjUSf.exe

description	pid	process	target process
PID 3424 wrote to memory of 3464	3424	jRPSjUSf.exe	schtasks.exe
PID 3424 wrote to memory of 3464	3424	jRPSjUSf.exe	schtasks.exe
PID 3424 wrote to memory of 3464	3424	jRPSjUSf.exe	schtasks.exe
PID 3424 wrote to memory of 796	3424	jRPSjUSf.exe	windows.exe
PID 3424 wrote to memory of 796	3424	jRPSjUSf.exe	windows.exe
PID 3424 wrote to memory of 796	3424	jRPSjUSf.exe	windows.exe

C:\Users\Admin\AppData\Local\Temp\jRPSjUSf.exe
"C:\Users\Admin\AppData\Local\Temp\jRPSjUSf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3424

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:3464

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:796

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
memory/796-121-0x0000000000000000-mapping.dmp

Download
memory/796-128-0x0000000005740000-0x0000000005741000-memory.dmp

Filesize
4KB

Download
memory/3424-114-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/3424-116-0x00000000049F0000-0x00000000049F1000-memory.dmp

Filesize
4KB

Download
memory/3424-117-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/3424-118-0x0000000004970000-0x0000000004971000-memory.dmp

Filesize
4KB

Download
memory/3424-119-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/3464-120-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads