limerat | 47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
18-05-2024 01:08

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General

Target

47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe

Executes dropped EXE 1 IoCs

pid	Process
1492	WinRAR.exe

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

Web Service

T1102

flow	ioc
31	pastebin.com
32	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
4748	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	WinRAR.exe
Token: SeDebugPrivilege	1492	WinRAR.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 4748	1892	47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe	93
PID 1892 wrote to memory of 4748	1892	47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe	93
PID 1892 wrote to memory of 4748	1892	47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe	93
PID 1892 wrote to memory of 1492	1892	47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe	96
PID 1892 wrote to memory of 1492	1892	47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe	96
PID 1892 wrote to memory of 1492	1892	47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe	96

C:\Users\Admin\AppData\Local\Temp\47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe
"C:\Users\Admin\AppData\Local\Temp\47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1892
- 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:4748
- 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:1492

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

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Downloads

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

Filesize
28KB

MD5
1bb96e140f557472fc121bd147c7fef2

SHA1
f1dca9840d4619ed536c733e618f301748041f82

SHA256
47415dc54f54a881e0fdd0c02c26b994cf881af13f849428153ae4e42bc12ed6

SHA512
8611b8a6a4eae862d412de1e13047b36cd9854bad75b1e8224a820f91630977908c9e560326da8a538dab097cf51b9407ed17a6050535df6ce98e8bd68b4a48d

Download Submit
memory/1492-15-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/1492-17-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/1492-18-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/1892-0-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/1892-1-0x0000000000170000-0x000000000017C000-memory.dmp

Filesize
48KB

Download
memory/1892-2-0x0000000004B00000-0x0000000004B9C000-memory.dmp

Filesize
624KB

Download
memory/1892-3-0x0000000004BA0000-0x0000000004C06000-memory.dmp

Filesize
408KB

Download
memory/1892-4-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/1892-5-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/1892-16-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads