limerat | 8f7d77448048b69eb7ca9e33f365bb93f33e56e4d83eaba4828891ac6a21a785

Analysis

max time kernel
81s
max time network
83s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27-05-2023 04:25

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General

Target

New-Client.exe
Size

28KB
MD5

5b98fc5cc5303ad8e266afed885a7557
SHA1

3577462adc8ac675532aa3003dbe61ad930219da
SHA256

8f7d77448048b69eb7ca9e33f365bb93f33e56e4d83eaba4828891ac6a21a785
SHA512

bbde692169cb741860c08e027fd4743ffbfa3ceefe3bb7e30521437dd17e3e730b3e31743dd91b696269413999ade34844356ab0ff77bcccbef6580ea0e3ed47
SSDEEP

384:IB+Sbj6NKcZc6vzAHdKc0qDHz2auUwvDKNrCeJE3WNgnv9js1jC1Ebc8wQro3lcJ:2pcu6vzwddz2auU+45NQypC6bGwj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
windows
antivm
false
c2_url
https://pastebin.com/raw/DDTVwwbu
delay
3
download_payload
false
install
true
install_name
Better-Discord.exe
main_folder
Temp
pin_spread
false
sub_folder
\BDiscord\
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	New-Client.exe

Executes dropped EXE 1 IoCs

pid	Process
3248	Better-Discord.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).

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

pid	Process
1664	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3248	Better-Discord.exe
Token: SeDebugPrivilege	3248	Better-Discord.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 1664	1804	New-Client.exe	84
PID 1804 wrote to memory of 1664	1804	New-Client.exe	84
PID 1804 wrote to memory of 1664	1804	New-Client.exe	84
PID 1804 wrote to memory of 3248	1804	New-Client.exe	86
PID 1804 wrote to memory of 3248	1804	New-Client.exe	86
PID 1804 wrote to memory of 3248	1804	New-Client.exe	86

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:1804
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\BDiscord\Better-Discord.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:1664
- C:\Users\Admin\AppData\Local\Temp\BDiscord\Better-Discord.exe
  "C:\Users\Admin\AppData\Local\Temp\BDiscord\Better-Discord.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BDiscord\Better-Discord.exe

Filesize
28KB

MD5
5b98fc5cc5303ad8e266afed885a7557

SHA1
3577462adc8ac675532aa3003dbe61ad930219da

SHA256
8f7d77448048b69eb7ca9e33f365bb93f33e56e4d83eaba4828891ac6a21a785

SHA512
bbde692169cb741860c08e027fd4743ffbfa3ceefe3bb7e30521437dd17e3e730b3e31743dd91b696269413999ade34844356ab0ff77bcccbef6580ea0e3ed47

Download Submit
C:\Users\Admin\AppData\Local\Temp\BDiscord\Better-Discord.exe

Filesize
28KB

MD5
5b98fc5cc5303ad8e266afed885a7557

SHA1
3577462adc8ac675532aa3003dbe61ad930219da

SHA256
8f7d77448048b69eb7ca9e33f365bb93f33e56e4d83eaba4828891ac6a21a785

SHA512
bbde692169cb741860c08e027fd4743ffbfa3ceefe3bb7e30521437dd17e3e730b3e31743dd91b696269413999ade34844356ab0ff77bcccbef6580ea0e3ed47

Download Submit
C:\Users\Admin\AppData\Local\Temp\BDiscord\Better-Discord.exe

Filesize
28KB

MD5
5b98fc5cc5303ad8e266afed885a7557

SHA1
3577462adc8ac675532aa3003dbe61ad930219da

SHA256
8f7d77448048b69eb7ca9e33f365bb93f33e56e4d83eaba4828891ac6a21a785

SHA512
bbde692169cb741860c08e027fd4743ffbfa3ceefe3bb7e30521437dd17e3e730b3e31743dd91b696269413999ade34844356ab0ff77bcccbef6580ea0e3ed47

Download Submit
memory/1804-133-0x00000000007A0000-0x00000000007AC000-memory.dmp

Filesize
48KB

Download
memory/1804-134-0x0000000005160000-0x00000000051FC000-memory.dmp

Filesize
624KB

Download
memory/1804-135-0x0000000005200000-0x0000000005266000-memory.dmp

Filesize
408KB

Download
memory/1804-136-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download
memory/1804-137-0x0000000005DC0000-0x0000000006364000-memory.dmp

Filesize
5.6MB

Download
memory/3248-147-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/3248-148-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads