limerat | 47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17-05-2024 11:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

WinRAR.exe
Size

28KB
MD5

1bb96e140f557472fc121bd147c7fef2
SHA1

f1dca9840d4619ed536c733e618f301748041f82
SHA256

47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6
SHA512

8611b8a6a4eae862d412de1e13047b36cd9854bad75b1e8224a820f91630977908c9e560326da8a538dab097cf51b9407ed17a6050535df6ce98e8bd68b4a48d
SSDEEP

768:+pOL6TvwdHRv3Jx5LY45N6voFBANLM37/j:+pJvwdH93JjlWwFBA96

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
1111
antivm
true
c2_url
https://pastebin.com/raw/Qik1mEQY
delay
3
download_payload
false
install
true
install_name
WinRAR.exe
main_folder
AppData
pin_spread
false
sub_folder
\System\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/Qik1mEQY
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	WinRAR.exe

Executes dropped EXE 1 IoCs

pid	Process
976	WinRAR.exe

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

Web Service

T1102

flow	ioc
27	pastebin.com
29	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

pid	Process
3228	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	WinRAR.exe
Token: SeDebugPrivilege	976	WinRAR.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 3228	1988	WinRAR.exe	93
PID 1988 wrote to memory of 3228	1988	WinRAR.exe	93
PID 1988 wrote to memory of 3228	1988	WinRAR.exe	93
PID 1988 wrote to memory of 976	1988	WinRAR.exe	95
PID 1988 wrote to memory of 976	1988	WinRAR.exe	95
PID 1988 wrote to memory of 976	1988	WinRAR.exe	95

C:\Users\Admin\AppData\Local\Temp\WinRAR.exe
"C:\Users\Admin\AppData\Local\Temp\WinRAR.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\System\WinRAR.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3228
- C:\Users\Admin\AppData\Roaming\System\WinRAR.exe
  "C:\Users\Admin\AppData\Roaming\System\WinRAR.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:976

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\WinRAR.exe.log

Filesize
709B

MD5
8a1197be130e48aa5aeeafd43eb6bb9f

SHA1
cb790c7c216e41524348eaa0e5b74926e78dbfc6

SHA256
547474087ec8f71dfd32b76f9b74c86f9844addf5082df37562a2c2c0cae4bfb

SHA512
4ad9d8dbbc253c8d7b1c2b4ec5f115c770f02bdbbc21ca0b422e251a3a98331e169c5062cabf7da81d5ae0d295b3778ef105ef82709df1a4ace71be288b8f166

Download Submit
C:\Users\Admin\AppData\Roaming\System\WinRAR.exe

Filesize
28KB

MD5
1bb96e140f557472fc121bd147c7fef2

SHA1
f1dca9840d4619ed536c733e618f301748041f82

SHA256
47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6

SHA512
8611b8a6a4eae862d412de1e13047b36cd9854bad75b1e8224a820f91630977908c9e560326da8a538dab097cf51b9407ed17a6050535df6ce98e8bd68b4a48d

Download Submit
memory/976-17-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/976-18-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/976-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1988-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/1988-1-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/1988-2-0x0000000004A20000-0x0000000004ABC000-memory.dmp

Filesize
624KB

Download
memory/1988-3-0x0000000004AC0000-0x0000000004B26000-memory.dmp

Filesize
408KB

Download
memory/1988-4-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1988-5-0x00000000056A0000-0x0000000005C44000-memory.dmp

Filesize
5.6MB

Download
memory/1988-16-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads