limerat | edf986f6d02ea68efcece9629ef76df6caeef2110cc5426f4dd1e61971259325

Analysis

max time kernel
148s
max time network
149s
platform
windows10-1703_x64
resource
win10-20240221-en
resource tags

arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
submitted
28-03-2024 14:12

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General

Target

New-Client.exe
Size

28KB
MD5

0cdc2ae52c17aa3bbba1bdd58b7e9901
SHA1

9e6c1b392536c34f1434c61dbd9684c52c7c834a
SHA256

edf986f6d02ea68efcece9629ef76df6caeef2110cc5426f4dd1e61971259325
SHA512

e07ee332542237760ca54531a50ecab20f789fac03e372672710ca792ab5b83f30dd0a08b50c98bb55586a3b9d80bc5c3de96b5e36e08aa1803d55c781dc448d
SSDEEP

384:GB+Sbj6NK9506XbAHt6TiqDR82wijIPvDKNrCeJE3WNgS3uOf7s2oFcQro3lc7oo:8p9G6Xbwta8K0n45NoORosSj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
tobikjenegr
antivm
false
c2_url
https://pastebin.com/raw/DDTVwwbu
delay
3
download_payload
false
install
true
install_name
fsds.exe
main_folder
AppData
pin_spread
true
sub_folder
\fasdasfdfsdfsda\
usb_spread
true

Extracted

Family

limerat

Attributes

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

Processes:

fsds.exe

pid process

1520 fsds.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

1 pastebin.com
2 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

3008 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

fsds.exe

description pid process

Token: SeDebugPrivilege 1520 fsds.exe
Token: SeDebugPrivilege 1520 fsds.exe

pid	process
1520	fsds.exe

flow	ioc
1	pastebin.com
2	pastebin.com

pid	process
3008	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1520	fsds.exe
Token: SeDebugPrivilege	1520	fsds.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

New-Client.exe

description	pid	process	target process
PID 216 wrote to memory of 3008	216	New-Client.exe	schtasks.exe
PID 216 wrote to memory of 3008	216	New-Client.exe	schtasks.exe
PID 216 wrote to memory of 3008	216	New-Client.exe	schtasks.exe
PID 216 wrote to memory of 1520	216	New-Client.exe	fsds.exe
PID 216 wrote to memory of 1520	216	New-Client.exe	fsds.exe
PID 216 wrote to memory of 1520	216	New-Client.exe	fsds.exe

C:\Users\Admin\AppData\Local\Temp\New-Client.exe
"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:216

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe'"
2⤵
- Creates scheduled task(s)
PID:3008

C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe
"C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1520

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

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\fasdasfdfsdfsda\fsds.exe
Filesize
28KB

MD5
0cdc2ae52c17aa3bbba1bdd58b7e9901

SHA1
9e6c1b392536c34f1434c61dbd9684c52c7c834a

SHA256
edf986f6d02ea68efcece9629ef76df6caeef2110cc5426f4dd1e61971259325

SHA512
e07ee332542237760ca54531a50ecab20f789fac03e372672710ca792ab5b83f30dd0a08b50c98bb55586a3b9d80bc5c3de96b5e36e08aa1803d55c781dc448d

Download Submit
memory/216-1-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/216-0-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/216-2-0x0000000004A20000-0x0000000004ABC000-memory.dmp

Filesize
624KB

Download
memory/216-3-0x0000000004AC0000-0x0000000004B26000-memory.dmp

Filesize
408KB

Download
memory/216-4-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

Filesize
64KB

Download
memory/216-5-0x0000000005600000-0x0000000005AFE000-memory.dmp

Filesize
5.0MB

Download
memory/216-12-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/1520-13-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/1520-14-0x00000000028E0000-0x00000000028F0000-memory.dmp

Filesize
64KB

Download
memory/1520-15-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/1520-16-0x00000000028E0000-0x00000000028F0000-memory.dmp

Filesize
64KB

Download