limerat | fd3a5396eaa4725e9e17e35ef05fd34f0762a2f04fb302c43bb7052e53ab5ad6

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28/04/2023, 16:43

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

notarat.exe
Size

28KB
MD5

196ef3b30548e414e2b4a76dd0609201
SHA1

09fb2eb488a32c37ca99c3d34dcf065531fcf2e8
SHA256

fd3a5396eaa4725e9e17e35ef05fd34f0762a2f04fb302c43bb7052e53ab5ad6
SHA512

bece8365964fdd6c3a8586c6e5e35b52b8aceb729231ce8c2bd3388e78530c9b72f9d163d0082c39a595cfaac0c22843e14b016831de95dd22fb45b52ad3c4ed
SSDEEP

384:WB+Sbj6NKSZE6nrAHtRopHBqDMl5peN9dAvDKNrCeJE3WNg6TDOJqAHjgR988fuC:MpS26nrwtRo1lCNPu45NvQnHjeUHuj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
1111
antivm
false
c2_url
https://pastebin.com/raw/hq1MSJc0
delay
3
download_payload
false
install
true
install_name
FLOPPA.exe
main_folder
UserProfile
pin_spread
false
sub_folder
\FLopping\
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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	notarat.exe

Executes dropped EXE 1 IoCs

pid	Process
4616	FLOPPA.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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

T1053

pid	Process
1200	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4616	FLOPPA.exe
Token: SeDebugPrivilege	4616	FLOPPA.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 1200	4088	notarat.exe	86
PID 4088 wrote to memory of 1200	4088	notarat.exe	86
PID 4088 wrote to memory of 1200	4088	notarat.exe	86
PID 4088 wrote to memory of 4616	4088	notarat.exe	88
PID 4088 wrote to memory of 4616	4088	notarat.exe	88
PID 4088 wrote to memory of 4616	4088	notarat.exe	88

C:\Users\Admin\AppData\Local\Temp\notarat.exe
"C:\Users\Admin\AppData\Local\Temp\notarat.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\FLopping\FLOPPA.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:1200
- C:\Users\Admin\FLopping\FLOPPA.exe
  "C:\Users\Admin\FLopping\FLOPPA.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Web Service

T1102

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\FLopping\FLOPPA.exe

Filesize
28KB

MD5
196ef3b30548e414e2b4a76dd0609201

SHA1
09fb2eb488a32c37ca99c3d34dcf065531fcf2e8

SHA256
fd3a5396eaa4725e9e17e35ef05fd34f0762a2f04fb302c43bb7052e53ab5ad6

SHA512
bece8365964fdd6c3a8586c6e5e35b52b8aceb729231ce8c2bd3388e78530c9b72f9d163d0082c39a595cfaac0c22843e14b016831de95dd22fb45b52ad3c4ed

Download Submit
C:\Users\Admin\FLopping\FLOPPA.exe

Filesize
28KB

MD5
196ef3b30548e414e2b4a76dd0609201

SHA1
09fb2eb488a32c37ca99c3d34dcf065531fcf2e8

SHA256
fd3a5396eaa4725e9e17e35ef05fd34f0762a2f04fb302c43bb7052e53ab5ad6

SHA512
bece8365964fdd6c3a8586c6e5e35b52b8aceb729231ce8c2bd3388e78530c9b72f9d163d0082c39a595cfaac0c22843e14b016831de95dd22fb45b52ad3c4ed

Download Submit
C:\Users\Admin\FLopping\FLOPPA.exe

Filesize
28KB

MD5
196ef3b30548e414e2b4a76dd0609201

SHA1
09fb2eb488a32c37ca99c3d34dcf065531fcf2e8

SHA256
fd3a5396eaa4725e9e17e35ef05fd34f0762a2f04fb302c43bb7052e53ab5ad6

SHA512
bece8365964fdd6c3a8586c6e5e35b52b8aceb729231ce8c2bd3388e78530c9b72f9d163d0082c39a595cfaac0c22843e14b016831de95dd22fb45b52ad3c4ed

Download Submit
memory/4088-133-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/4088-134-0x0000000004F10000-0x0000000004FAC000-memory.dmp

Filesize
624KB

Download
memory/4088-135-0x0000000004FD0000-0x0000000005036000-memory.dmp

Filesize
408KB

Download
memory/4088-136-0x0000000005090000-0x00000000050A0000-memory.dmp

Filesize
64KB

Download
memory/4088-137-0x0000000005BE0000-0x0000000006184000-memory.dmp

Filesize
5.6MB

Download
memory/4616-147-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/4616-148-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads