limerat | c099fa2ba2c8b5ca61c360db0e77079a2ea3d60e810200d2efb65dcd4a718877

Analysis

max time kernel
154s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 03:57

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General

Target

0da6459b4a96fcbbaddd62302b6fdb53.exe
Size

28KB
MD5

0da6459b4a96fcbbaddd62302b6fdb53
SHA1

5bc4aceb282b835bcc6366b6d39b73476e200f08
SHA256

c099fa2ba2c8b5ca61c360db0e77079a2ea3d60e810200d2efb65dcd4a718877
SHA512

b85d75e9b8f1883990fc788a68725b91c3d72dcb1ff1e27c4f82844f82d3cc89cbeac86606eb61eb8db9796560ce1b4a7e9dda9056d8fad2941df3d9a02b5991
SSDEEP

384:NB+Sbj6NKQfA6h5AH9GduWeqDtGOwdvDKNrCeJE3WNgVYlrj219y3o9TWhQro3lo:npQI6h5w9+TGOwd45N3l3Y9y30Aej

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
lime
antivm
false
c2_url
https://pastebin.com/raw/d2wuKbQW
delay
3
download_payload
false
install
true
install_name
Wservices.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/d2wuKbQW
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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	0da6459b4a96fcbbaddd62302b6fdb53.exe

Executes dropped EXE 1 IoCs

pid	Process
4852	Wservices.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/Job

T1053

pid	Process
2656	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4852	Wservices.exe
Token: SeDebugPrivilege	4852	Wservices.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 2656	4544	0da6459b4a96fcbbaddd62302b6fdb53.exe	97
PID 4544 wrote to memory of 2656	4544	0da6459b4a96fcbbaddd62302b6fdb53.exe	97
PID 4544 wrote to memory of 2656	4544	0da6459b4a96fcbbaddd62302b6fdb53.exe	97
PID 4544 wrote to memory of 4852	4544	0da6459b4a96fcbbaddd62302b6fdb53.exe	106
PID 4544 wrote to memory of 4852	4544	0da6459b4a96fcbbaddd62302b6fdb53.exe	106
PID 4544 wrote to memory of 4852	4544	0da6459b4a96fcbbaddd62302b6fdb53.exe	106

C:\Users\Admin\AppData\Local\Temp\0da6459b4a96fcbbaddd62302b6fdb53.exe
"C:\Users\Admin\AppData\Local\Temp\0da6459b4a96fcbbaddd62302b6fdb53.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Wservices.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2656
- C:\Users\Admin\AppData\Local\Temp\Wservices.exe
  "C:\Users\Admin\AppData\Local\Temp\Wservices.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4852

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\Local\Temp\Wservices.exe

Filesize
28KB

MD5
0da6459b4a96fcbbaddd62302b6fdb53

SHA1
5bc4aceb282b835bcc6366b6d39b73476e200f08

SHA256
c099fa2ba2c8b5ca61c360db0e77079a2ea3d60e810200d2efb65dcd4a718877

SHA512
b85d75e9b8f1883990fc788a68725b91c3d72dcb1ff1e27c4f82844f82d3cc89cbeac86606eb61eb8db9796560ce1b4a7e9dda9056d8fad2941df3d9a02b5991

Download Submit
memory/4544-6-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/4544-2-0x00000000052C0000-0x000000000535C000-memory.dmp

Filesize
624KB

Download
memory/4544-3-0x00000000053D0000-0x0000000005436000-memory.dmp

Filesize
408KB

Download
memory/4544-4-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/4544-5-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/4544-0-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/4544-7-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/4544-1-0x0000000000930000-0x000000000093C000-memory.dmp

Filesize
48KB

Download
memory/4544-19-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/4852-16-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/4852-18-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/4852-20-0x0000000074FF0000-0x00000000757A0000-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