limerat | edf986f6d02ea68efcece9629ef76df6caeef2110cc5426f4dd1e61971259325

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 14:12

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General

Target

New-Client.exe
Size

28KB
MD5

0cdc2ae52c17aa3bbba1bdd58b7e9901
SHA1

9e6c1b392536c34f1434c61dbd9684c52c7c834a
SHA256

edf986f6d02ea68efcece9629ef76df6caeef2110cc5426f4dd1e61971259325
SHA512

e07ee332542237760ca54531a50ecab20f789fac03e372672710ca792ab5b83f30dd0a08b50c98bb55586a3b9d80bc5c3de96b5e36e08aa1803d55c781dc448d
SSDEEP

384:GB+Sbj6NK9506XbAHt6TiqDR82wijIPvDKNrCeJE3WNgS3uOf7s2oFcQro3lc7oo:8p9G6Xbwta8K0n45NoORosSj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
tobikjenegr
antivm
false
c2_url
https://pastebin.com/raw/DDTVwwbu
delay
3
download_payload
false
install
true
install_name
fsds.exe
main_folder
AppData
pin_spread
true
sub_folder
\fasdasfdfsdfsda\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/DDTVwwbu
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:

New-Client.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	New-Client.exe

Executes dropped EXE 1 IoCs

Processes:

fsds.exe

pid process

2284 fsds.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

19 pastebin.com
20 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

3932 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

fsds.exe

description pid process

Token: SeDebugPrivilege 2284 fsds.exe
Token: SeDebugPrivilege 2284 fsds.exe

pid	process
2284	fsds.exe

flow	ioc
19	pastebin.com
20	pastebin.com

pid	process
3932	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2284	fsds.exe
Token: SeDebugPrivilege	2284	fsds.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

New-Client.exe

description	pid	process	target process
PID 4280 wrote to memory of 3932	4280	New-Client.exe	schtasks.exe
PID 4280 wrote to memory of 3932	4280	New-Client.exe	schtasks.exe
PID 4280 wrote to memory of 3932	4280	New-Client.exe	schtasks.exe
PID 4280 wrote to memory of 2284	4280	New-Client.exe	fsds.exe
PID 4280 wrote to memory of 2284	4280	New-Client.exe	fsds.exe
PID 4280 wrote to memory of 2284	4280	New-Client.exe	fsds.exe

C:\Users\Admin\AppData\Local\Temp\New-Client.exe
"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3932
- C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe
  "C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2284

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\AppData\Roaming\fasdasfdfsdfsda\fsds.exe

Filesize
28KB

MD5
0cdc2ae52c17aa3bbba1bdd58b7e9901

SHA1
9e6c1b392536c34f1434c61dbd9684c52c7c834a

SHA256
edf986f6d02ea68efcece9629ef76df6caeef2110cc5426f4dd1e61971259325

SHA512
e07ee332542237760ca54531a50ecab20f789fac03e372672710ca792ab5b83f30dd0a08b50c98bb55586a3b9d80bc5c3de96b5e36e08aa1803d55c781dc448d

Download Submit
memory/2284-16-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/2284-17-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/2284-18-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/2284-19-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/4280-0-0x0000000000A90000-0x0000000000A9C000-memory.dmp

Filesize
48KB

Download
memory/4280-1-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/4280-2-0x0000000005420000-0x00000000054BC000-memory.dmp

Filesize
624KB

Download
memory/4280-3-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/4280-4-0x0000000005670000-0x0000000005680000-memory.dmp

Filesize
64KB

Download
memory/4280-5-0x00000000060F0000-0x0000000006694000-memory.dmp

Filesize
5.6MB

Download
memory/4280-15-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download