limerat | 5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3

Analysis

max time kernel
132s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2024 01:25

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General

Target

5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe
Size

28KB
MD5

4d404ac646564376d34cfbabbfe508ec
SHA1

ffa0d8f480c4f39037be40d1eba0a6b6f9016420
SHA256

5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3
SHA512

6eaa4a5a60bcc3162adc3b7c6247717b602f06de137283e68bd3d1b6f95d80b5b0396fcfa464d056f44b068ec59299d3dca8f10aa04546eb9ed74d8a8944edc5
SSDEEP

384:MB+Sbj6NKanim6txrAHN6XxAqDCkwrEWAvDKNrCeJE3WNgYpkynz4smES05VHED/:qpGx6txrwNpkQEWu45Nsyz4s9SeVYxj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
79ad_com
antivm
true
c2_url
https://pastebin.com/raw/87JTjcjz
delay
3
download_payload
false
install
true
install_name
services.exe
main_folder
UserProfile
pin_spread
false
sub_folder
\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/87JTjcjz
download_payload
false
install
false
pin_spread
false
usb_spread
false

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe

Executes dropped EXE 1 IoCs

Processes:

services.exe

pid process

4188 services.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

11 pastebin.com
12 pastebin.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2096 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

services.exe

description pid process

Token: SeDebugPrivilege 4188 services.exe
Token: SeDebugPrivilege 4188 services.exe

pid	process
4188	services.exe

flow	ioc
11	pastebin.com
12	pastebin.com

pid	process
2096	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	4188	services.exe
Token: SeDebugPrivilege	4188	services.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe

description	pid	process	target process
PID 672 wrote to memory of 2096	672	5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe	schtasks.exe
PID 672 wrote to memory of 2096	672	5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe	schtasks.exe
PID 672 wrote to memory of 2096	672	5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe	schtasks.exe
PID 672 wrote to memory of 4188	672	5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe	services.exe
PID 672 wrote to memory of 4188	672	5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe	services.exe
PID 672 wrote to memory of 4188	672	5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe
"C:\Users\Admin\AppData\Local\Temp\5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:672
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\services.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2096
- C:\Users\Admin\services.exe
  "C:\Users\Admin\services.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\services.exe

Filesize
28KB

MD5
4d404ac646564376d34cfbabbfe508ec

SHA1
ffa0d8f480c4f39037be40d1eba0a6b6f9016420

SHA256
5ec2650940db1e24271b84e5553d8454f17a7c99cbb36579aa843aa09798efe3

SHA512
6eaa4a5a60bcc3162adc3b7c6247717b602f06de137283e68bd3d1b6f95d80b5b0396fcfa464d056f44b068ec59299d3dca8f10aa04546eb9ed74d8a8944edc5

Download Submit
memory/672-0-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/672-1-0x00000000007A0000-0x00000000007AC000-memory.dmp

Filesize
48KB

Download
memory/672-2-0x0000000005130000-0x00000000051CC000-memory.dmp

Filesize
624KB

Download
memory/672-3-0x0000000005220000-0x0000000005286000-memory.dmp

Filesize
408KB

Download
memory/672-4-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/672-5-0x0000000005DF0000-0x0000000006394000-memory.dmp

Filesize
5.6MB

Download
memory/672-25-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-24-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-26-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download