limerat | b8bd1f2001371580a5d4ec4ede4878a2fd564a349e0cf66422bba7f0870e4f22

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/01/2024, 13:27

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General

Target

84890393814f5b5f09d7f41d6f0a90d6.exe
Size

276KB
MD5

84890393814f5b5f09d7f41d6f0a90d6
SHA1

9718f38173cb56d3ea7b2bf5893c61bc77810efd
SHA256

b8bd1f2001371580a5d4ec4ede4878a2fd564a349e0cf66422bba7f0870e4f22
SHA512

2d5e149035f731af62b9a7cc69a039a4b620e639e994b027e1b90e74a65cd5adc4a6fa0e8e351c09257b09d619d9523a9833925bbf929f2d4e2bfa748d96d50e
SSDEEP

3072:x+CCSpjGZodtSu2XkePqH1A0feINRDpepu/VeprFUU5jpPPxhkjXlj:QbYjGCSuykaoXfKsVepaUVnfYX

Score

10^/10

limerat rat

Malware Config

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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	84890393814f5b5f09d7f41d6f0a90d6.exe

Executes dropped EXE 1 IoCs

pid	Process
3748	Wservices.exe

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

pid	Process
220	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3748	Wservices.exe
Token: SeDebugPrivilege	3748	Wservices.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 220	2148	84890393814f5b5f09d7f41d6f0a90d6.exe	88
PID 2148 wrote to memory of 220	2148	84890393814f5b5f09d7f41d6f0a90d6.exe	88
PID 2148 wrote to memory of 220	2148	84890393814f5b5f09d7f41d6f0a90d6.exe	88
PID 2148 wrote to memory of 3748	2148	84890393814f5b5f09d7f41d6f0a90d6.exe	90
PID 2148 wrote to memory of 3748	2148	84890393814f5b5f09d7f41d6f0a90d6.exe	90
PID 2148 wrote to memory of 3748	2148	84890393814f5b5f09d7f41d6f0a90d6.exe	90

C:\Users\Admin\AppData\Local\Temp\84890393814f5b5f09d7f41d6f0a90d6.exe
"C:\Users\Admin\AppData\Local\Temp\84890393814f5b5f09d7f41d6f0a90d6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Wservices.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:220
- C:\Users\Admin\AppData\Roaming\Wservices.exe
  "C:\Users\Admin\AppData\Roaming\Wservices.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3748

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

Exfiltration

Impact

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Downloads

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

Filesize
276KB

MD5
84890393814f5b5f09d7f41d6f0a90d6

SHA1
9718f38173cb56d3ea7b2bf5893c61bc77810efd

SHA256
b8bd1f2001371580a5d4ec4ede4878a2fd564a349e0cf66422bba7f0870e4f22

SHA512
2d5e149035f731af62b9a7cc69a039a4b620e639e994b027e1b90e74a65cd5adc4a6fa0e8e351c09257b09d619d9523a9833925bbf929f2d4e2bfa748d96d50e

Download Submit
memory/2148-1-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/2148-0-0x00000000002E0000-0x000000000032C000-memory.dmp

Filesize
304KB

Download
memory/2148-2-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

Filesize
64KB

Download
memory/2148-3-0x0000000004D50000-0x0000000004DEC000-memory.dmp

Filesize
624KB

Download
memory/2148-4-0x0000000004DF0000-0x0000000004E56000-memory.dmp

Filesize
408KB

Download
memory/2148-5-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/2148-15-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/3748-16-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/3748-17-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/3748-18-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/3748-19-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads