limerat | 538edc7ac07999b9551153f7db6a90b7a4ba95cd0307d1e617a3ecde2d486d73

General

Target

BLTools 2.5 by Lukyy.exe
Size

95KB
MD5

e6df3f5026e18a97eb35edf5c0e495c9
SHA1

ca6735634fb04ee28e71cab27fb1fe1de150315e
SHA256

538edc7ac07999b9551153f7db6a90b7a4ba95cd0307d1e617a3ecde2d486d73
SHA512

1eb49e6b47688c5352936926ec1e07afbc6012613067da183425976b6114bb28178008a9f88b337d3c53948a41d69fd63935a4dcc0dd01399205428d6e13107e
SSDEEP

768:6pRS6bcwLoR9hy245NLxW+FjJ0eSvH9ZcTyrzgEhR2nsCt7CNFd7mic2knK+:6p5cwL4IXfxb1nC9ZcKOsCtKjb+

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Wallets

bc1q0gmdxcfwzc5wnfpk36nmvuyqnuhz775nzlassz

Attributes

aes_key
hakai
antivm
true
c2_url
https://pastebin.com/raw/CpekHPPQ
delay
5
download_payload
false
install
true
install_name
Microsoft.exe
main_folder
AppData
pin_spread
false
sub_folder
\Microsoft\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/CpekHPPQ
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
Limerat family
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:

BLTools 2.5 by Lukyy.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	BLTools 2.5 by Lukyy.exe

Executes dropped EXE 1 IoCs

Processes:

Microsoft.exe

pid process

3156 Microsoft.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

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

System Information Discovery
T1082

pid	process
3156	Microsoft.exe

flow	ioc
22	pastebin.com
21	pastebin.com

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

schtasks.exeMicrosoft.exeBLTools 2.5 by Lukyy.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BLTools 2.5 by Lukyy.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

780 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Microsoft.exe

pid process

3156 Microsoft.exe
3156 Microsoft.exe
3156 Microsoft.exe
3156 Microsoft.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Microsoft.exe

description pid process

Token: SeDebugPrivilege 3156 Microsoft.exe
Token: SeDebugPrivilege 3156 Microsoft.exe

pid	process
780	schtasks.exe

pid	process
3156	Microsoft.exe
3156	Microsoft.exe
3156	Microsoft.exe
3156	Microsoft.exe

description	pid	process
Token: SeDebugPrivilege	3156	Microsoft.exe
Token: SeDebugPrivilege	3156	Microsoft.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

BLTools 2.5 by Lukyy.exe

description	pid	process	target process
PID 4916 wrote to memory of 780	4916	BLTools 2.5 by Lukyy.exe	schtasks.exe
PID 4916 wrote to memory of 780	4916	BLTools 2.5 by Lukyy.exe	schtasks.exe
PID 4916 wrote to memory of 780	4916	BLTools 2.5 by Lukyy.exe	schtasks.exe
PID 4916 wrote to memory of 3156	4916	BLTools 2.5 by Lukyy.exe	Microsoft.exe
PID 4916 wrote to memory of 3156	4916	BLTools 2.5 by Lukyy.exe	Microsoft.exe
PID 4916 wrote to memory of 3156	4916	BLTools 2.5 by Lukyy.exe	Microsoft.exe

C:\Users\Admin\AppData\Local\Temp\BLTools 2.5 by Lukyy.exe
"C:\Users\Admin\AppData\Local\Temp\BLTools 2.5 by Lukyy.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Microsoft\Microsoft.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:780
- C:\Users\Admin\AppData\Roaming\Microsoft\Microsoft.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Microsoft.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Microsoft.exe

Filesize
95KB

MD5
e6df3f5026e18a97eb35edf5c0e495c9

SHA1
ca6735634fb04ee28e71cab27fb1fe1de150315e

SHA256
538edc7ac07999b9551153f7db6a90b7a4ba95cd0307d1e617a3ecde2d486d73

SHA512
1eb49e6b47688c5352936926ec1e07afbc6012613067da183425976b6114bb28178008a9f88b337d3c53948a41d69fd63935a4dcc0dd01399205428d6e13107e

Download Submit
memory/3156-20-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3156-19-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3156-18-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/3156-16-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3156-15-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/4916-3-0x00000000053F0000-0x0000000005456000-memory.dmp

Filesize
408KB

Download
memory/4916-5-0x00000000060D0000-0x0000000006674000-memory.dmp

Filesize
5.6MB

Download
memory/4916-4-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/4916-17-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/4916-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/4916-2-0x0000000005350000-0x00000000053EC000-memory.dmp

Filesize
624KB

Download
memory/4916-1-0x0000000000970000-0x000000000098E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads