limerat | 70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d

Analysis

max time kernel
144s
max time network
169s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-01-2023 21:30

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General

Target

70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe
Size

490KB
MD5

d7c698bb604fa3cc4babbcc3a6c79a45
SHA1

a22e125421efcb351108e064944a4c9f10256df7
SHA256

70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d
SHA512

bff352f54437900b94ea2846310a00f8bfbf3732a45522e5e91130cd45bd43cf34798126b9e3d8554266760865a700382b55b4544a12808b588af95e30a5b6ba
SSDEEP

3072:Nuk730Xshh+ED085419v6fECJ7Y8XWIMij70ozw+sJF3XY0PGk:NT730jEYIK6fpJ7Y8HMK5KZ

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
IRj3SceatjDfweW/qMMw7g==
antivm
true
c2_url
https://pastebin.com/raw/Jpq3By4t
delay
3
download_payload
false
install
true
install_name
Audio Realtek Driver.exe
main_folder
AppData
pin_spread
false
sub_folder
\Audio Realtek Driver\
usb_spread
false

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat

Executes dropped EXE 2 IoCs

pid	Process
1448	Audio Realtek Driver.exe
1704	Audio Realtek Driver.exe

Loads dropped DLL 2 IoCs

pid	Process
2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe
1448	Audio Realtek Driver.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 936 set thread context of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 1448 set thread context of 1704	1448	Audio Realtek Driver.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
1540	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1704	Audio Realtek Driver.exe
Token: SeDebugPrivilege	1704	Audio Realtek Driver.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 936 wrote to memory of 2000	936	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	28
PID 2000 wrote to memory of 1540	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	30
PID 2000 wrote to memory of 1540	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	30
PID 2000 wrote to memory of 1540	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	30
PID 2000 wrote to memory of 1540	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	30
PID 2000 wrote to memory of 1448	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	32
PID 2000 wrote to memory of 1448	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	32
PID 2000 wrote to memory of 1448	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	32
PID 2000 wrote to memory of 1448	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	32
PID 2000 wrote to memory of 1448	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	32
PID 2000 wrote to memory of 1448	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	32
PID 2000 wrote to memory of 1448	2000	70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe	32
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33
PID 1448 wrote to memory of 1704	1448	Audio Realtek Driver.exe	33

C:\Users\Admin\AppData\Local\Temp\70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe
"C:\Users\Admin\AppData\Local\Temp\70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:936
- C:\Users\Admin\AppData\Local\Temp\70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe
  "C:\Users\Admin\AppData\Local\Temp\70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:1540
- - C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
    "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1448
  - - C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
      "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:1704

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

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\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
490KB

MD5
d7c698bb604fa3cc4babbcc3a6c79a45

SHA1
a22e125421efcb351108e064944a4c9f10256df7

SHA256
70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d

SHA512
bff352f54437900b94ea2846310a00f8bfbf3732a45522e5e91130cd45bd43cf34798126b9e3d8554266760865a700382b55b4544a12808b588af95e30a5b6ba

Download Submit
C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
490KB

MD5
d7c698bb604fa3cc4babbcc3a6c79a45

SHA1
a22e125421efcb351108e064944a4c9f10256df7

SHA256
70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d

SHA512
bff352f54437900b94ea2846310a00f8bfbf3732a45522e5e91130cd45bd43cf34798126b9e3d8554266760865a700382b55b4544a12808b588af95e30a5b6ba

Download Submit
C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
490KB

MD5
d7c698bb604fa3cc4babbcc3a6c79a45

SHA1
a22e125421efcb351108e064944a4c9f10256df7

SHA256
70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d

SHA512
bff352f54437900b94ea2846310a00f8bfbf3732a45522e5e91130cd45bd43cf34798126b9e3d8554266760865a700382b55b4544a12808b588af95e30a5b6ba

Download Submit
\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
490KB

MD5
d7c698bb604fa3cc4babbcc3a6c79a45

SHA1
a22e125421efcb351108e064944a4c9f10256df7

SHA256
70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d

SHA512
bff352f54437900b94ea2846310a00f8bfbf3732a45522e5e91130cd45bd43cf34798126b9e3d8554266760865a700382b55b4544a12808b588af95e30a5b6ba

Download Submit
\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
490KB

MD5
d7c698bb604fa3cc4babbcc3a6c79a45

SHA1
a22e125421efcb351108e064944a4c9f10256df7

SHA256
70f4c33eda2d8cdd793fe141489293be4ec4f70e29a55d3a4c63bac9b27d451d

SHA512
bff352f54437900b94ea2846310a00f8bfbf3732a45522e5e91130cd45bd43cf34798126b9e3d8554266760865a700382b55b4544a12808b588af95e30a5b6ba

Download Submit
memory/936-55-0x0000000000210000-0x0000000000218000-memory.dmp

Filesize
32KB

Download
memory/936-54-0x0000000000DD0000-0x0000000000E50000-memory.dmp

Filesize
512KB

Download
memory/1448-72-0x0000000000990000-0x0000000000A10000-memory.dmp

Filesize
512KB

Download
memory/2000-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2000-67-0x0000000076941000-0x0000000076943000-memory.dmp

Filesize
8KB

Download
memory/2000-65-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2000-63-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2000-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2000-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2000-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads