limerat | 47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6

Analysis

max time kernel
132s
max time network
141s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17-05-2024 11:44

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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

Executes dropped EXE 1 IoCs

pid	Process
2636	WinRAR.exe

Loads dropped DLL 2 IoCs

pid	Process
308	WinRAR.exe
308	WinRAR.exe

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

Web Service

T1102

flow	ioc
2	pastebin.com
3	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
2744	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	WinRAR.exe
Token: SeDebugPrivilege	2636	WinRAR.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 308 wrote to memory of 2744	308	WinRAR.exe	29
PID 308 wrote to memory of 2744	308	WinRAR.exe	29
PID 308 wrote to memory of 2744	308	WinRAR.exe	29
PID 308 wrote to memory of 2744	308	WinRAR.exe	29
PID 308 wrote to memory of 2636	308	WinRAR.exe	31
PID 308 wrote to memory of 2636	308	WinRAR.exe	31
PID 308 wrote to memory of 2636	308	WinRAR.exe	31
PID 308 wrote to memory of 2636	308	WinRAR.exe	31

C:\Users\Admin\AppData\Local\Temp\WinRAR.exe
"C:\Users\Admin\AppData\Local\Temp\WinRAR.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:308
- 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:2744
- 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:2636

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\System\WinRAR.exe

Filesize
28KB

MD5
1bb96e140f557472fc121bd147c7fef2

SHA1
f1dca9840d4619ed536c733e618f301748041f82

SHA256
47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6

SHA512
8611b8a6a4eae862d412de1e13047b36cd9854bad75b1e8224a820f91630977908c9e560326da8a538dab097cf51b9407ed17a6050535df6ce98e8bd68b4a48d

Download Submit
memory/308-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/308-1-0x0000000000FC0000-0x0000000000FCC000-memory.dmp

Filesize
48KB

Download
memory/308-13-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-12-0x0000000000350000-0x000000000035C000-memory.dmp

Filesize
48KB

Download
memory/2636-14-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-15-0x0000000074B30000-0x000000007521E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-16-0x0000000074B30000-0x000000007521E000-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