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

Executes dropped EXE 1 IoCs

pid	Process
2928	Microsoft.exe

Loads dropped DLL 2 IoCs

pid	Process
1492	BLTools 2.5 by Lukyy.exe
1492	BLTools 2.5 by Lukyy.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com

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

System Information Discovery
T1082

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

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

pid	Process
2884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2928	Microsoft.exe
2928	Microsoft.exe
2928	Microsoft.exe
2928	Microsoft.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	Microsoft.exe
Token: SeDebugPrivilege	2928	Microsoft.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 2884	1492	BLTools 2.5 by Lukyy.exe	30
PID 1492 wrote to memory of 2884	1492	BLTools 2.5 by Lukyy.exe	30
PID 1492 wrote to memory of 2884	1492	BLTools 2.5 by Lukyy.exe	30
PID 1492 wrote to memory of 2884	1492	BLTools 2.5 by Lukyy.exe	30
PID 1492 wrote to memory of 2928	1492	BLTools 2.5 by Lukyy.exe	32
PID 1492 wrote to memory of 2928	1492	BLTools 2.5 by Lukyy.exe	32
PID 1492 wrote to memory of 2928	1492	BLTools 2.5 by Lukyy.exe	32
PID 1492 wrote to memory of 2928	1492	BLTools 2.5 by Lukyy.exe	32

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⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492
- 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:2884
- 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:2928

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

System Information Discovery

1

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

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

Filesize
95KB

MD5
e6df3f5026e18a97eb35edf5c0e495c9

SHA1
ca6735634fb04ee28e71cab27fb1fe1de150315e

SHA256
538edc7ac07999b9551153f7db6a90b7a4ba95cd0307d1e617a3ecde2d486d73

SHA512
1eb49e6b47688c5352936926ec1e07afbc6012613067da183425976b6114bb28178008a9f88b337d3c53948a41d69fd63935a4dcc0dd01399205428d6e13107e

Download Submit
memory/1492-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1492-1-0x0000000000270000-0x000000000028E000-memory.dmp

Filesize
120KB

Download
memory/1492-13-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-12-0x0000000000A20000-0x0000000000A3E000-memory.dmp

Filesize
120KB

Download
memory/2928-14-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-15-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-16-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-17-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads