limerat | 9449691939856bd53ccb28071c5fec85da01ba6e113e9088f545857171b5f7a3

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02-03-2024 08:39

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General

Target

0x0008000000012314-78.exe
Size

28KB
MD5

7cf120a9dad95a45232d7d6f3f87b067
SHA1

55b96683b6b78888e1d0463fed961b30c014dde7
SHA256

9449691939856bd53ccb28071c5fec85da01ba6e113e9088f545857171b5f7a3
SHA512

22eaa765f6ac881b3a47a5e614f1ef15abdb29f1aa8891fd90c05817faeb3a14a32c8661bae1760cace254784ff6b8079002ed9d06ff062390df976d15565efd
SSDEEP

384:GB+Sbj6NKaxg67XAHiHIYgqDNRoVybTvDKNrCeJE3WNgf50LRgDA2hLbbQro3lcx:8pay67XwmBRoVGT45NUOLwx11Wj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

13WHQ6XEobZYNAjHZPJHkDuzMS8TpgkRqm

Attributes

aes_key
key
antivm
true
c2_url
https://pastebin.com/raw/nW4J6TiP
delay
3
download_payload
false
install
true
install_name
windowsdefender.exe
main_folder
AppData
pin_spread
false
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/nW4J6TiP
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:

0x0008000000012314-78.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	0x0008000000012314-78.exe

Executes dropped EXE 1 IoCs

Processes:

windowsdefender.exe

pid process

1312 windowsdefender.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

26 pastebin.com
27 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

1780 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

windowsdefender.exe

description pid process

Token: SeDebugPrivilege 1312 windowsdefender.exe
Token: SeDebugPrivilege 1312 windowsdefender.exe

pid	process
1312	windowsdefender.exe

flow	ioc
26	pastebin.com
27	pastebin.com

pid	process
1780	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1312	windowsdefender.exe
Token: SeDebugPrivilege	1312	windowsdefender.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0x0008000000012314-78.exe

description	pid	process	target process
PID 704 wrote to memory of 1780	704	0x0008000000012314-78.exe	schtasks.exe
PID 704 wrote to memory of 1780	704	0x0008000000012314-78.exe	schtasks.exe
PID 704 wrote to memory of 1780	704	0x0008000000012314-78.exe	schtasks.exe
PID 704 wrote to memory of 1312	704	0x0008000000012314-78.exe	windowsdefender.exe
PID 704 wrote to memory of 1312	704	0x0008000000012314-78.exe	windowsdefender.exe
PID 704 wrote to memory of 1312	704	0x0008000000012314-78.exe	windowsdefender.exe

C:\Users\Admin\AppData\Local\Temp\0x0008000000012314-78.exe
"C:\Users\Admin\AppData\Local\Temp\0x0008000000012314-78.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:704

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\windowsdefender.exe'"
2⤵
- Creates scheduled task(s)
PID:1780

C:\Users\Admin\AppData\Roaming\windowsdefender.exe
"C:\Users\Admin\AppData\Roaming\windowsdefender.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1312

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Web Service

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\windowsdefender.exe
Filesize
28KB

MD5
7cf120a9dad95a45232d7d6f3f87b067

SHA1
55b96683b6b78888e1d0463fed961b30c014dde7

SHA256
9449691939856bd53ccb28071c5fec85da01ba6e113e9088f545857171b5f7a3

SHA512
22eaa765f6ac881b3a47a5e614f1ef15abdb29f1aa8891fd90c05817faeb3a14a32c8661bae1760cace254784ff6b8079002ed9d06ff062390df976d15565efd

Download Submit
memory/704-3-0x0000000005040000-0x00000000050A6000-memory.dmp

Filesize
408KB

Download
memory/704-2-0x0000000004F60000-0x0000000004FFC000-memory.dmp

Filesize
624KB

Download
memory/704-0-0x00000000006F0000-0x00000000006FC000-memory.dmp

Filesize
48KB

Download
memory/704-4-0x0000000005200000-0x0000000005210000-memory.dmp

Filesize
64KB

Download
memory/704-5-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/704-1-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/704-15-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1312-16-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1312-17-0x00000000049D0000-0x00000000049E0000-memory.dmp

Filesize
64KB

Download
memory/1312-18-0x0000000005740000-0x00000000057D2000-memory.dmp

Filesize
584KB

Download
memory/1312-19-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1312-20-0x00000000049D0000-0x00000000049E0000-memory.dmp

Filesize
64KB

Download