limerat | 76ccff988772b8703f093376be4b17204eb75ea5c94bfd698a956d03623826e4

Analysis

max time kernel
298s
max time network
300s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
11-05-2024 13:06

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General

Target

Google.exe
Size

31KB
MD5

cc893a8b514d6874965dd29c0c473732
SHA1

69f56d454e6facba1eadffbdc7c2bf826b01ceaf
SHA256

369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a
SHA512

9ce978051ec948e2178a2cbbaf3b72d8367b0b711772ab7c903c34362c0ad848d152fd73babdeca5b86a775460075f526e42ddd4a0062b7b0330b45d495ac9e9
SSDEEP

384:71B+Sbj6NKGHU637AHtKnDqD1Hg3IWcvDKNrCeJE3WNgW1+PgpQB6SDi5GbQro3j:7vpG0637wtJA3IWS45NL+PgSB4g8jEP

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
Venom
antivm
true
c2_url
https://pastebin.com/raw/9YkEF3aU
delay
3
download_payload
false
install
true
install_name
Google.exe
main_folder
Temp
pin_spread
true
sub_folder
\system\
usb_spread
true

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat
Executes dropped EXE 1 IoCs

Processes:

Google.exe

pid process

3200 Google.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

2 pastebin.com
1 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

964 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Google.exe

description pid process

Token: SeDebugPrivilege 3200 Google.exe
Token: SeDebugPrivilege 3200 Google.exe

pid	process
3200	Google.exe

flow	ioc
2	pastebin.com
1	pastebin.com

pid	process
964	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	3200	Google.exe
Token: SeDebugPrivilege	3200	Google.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Google.exe

description	pid	process	target process
PID 3664 wrote to memory of 964	3664	Google.exe	schtasks.exe
PID 3664 wrote to memory of 964	3664	Google.exe	schtasks.exe
PID 3664 wrote to memory of 964	3664	Google.exe	schtasks.exe
PID 3664 wrote to memory of 3200	3664	Google.exe	Google.exe
PID 3664 wrote to memory of 3200	3664	Google.exe	Google.exe
PID 3664 wrote to memory of 3200	3664	Google.exe	Google.exe

C:\Users\Admin\AppData\Local\Temp\Google.exe
"C:\Users\Admin\AppData\Local\Temp\Google.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\system\Google.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:964
- C:\Users\Admin\AppData\Local\Temp\system\Google.exe
  "C:\Users\Admin\AppData\Local\Temp\system\Google.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3200

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Google.exe.log

Filesize
709B

MD5
cee382b44a0a258c801e5df212da62dd

SHA1
85bbc4b6608782987db1a61729e62ec4a7e69371

SHA256
0bd749db0dc336f89c80dc04a6522df03c13bd3ca7ec1b5a54ab01413b6ad6c1

SHA512
41cd658e569f09ab15c46cc716c576f6ef4862fba47547b09a8576ffd05009465973643c0a5a25d0801adc7be6ba6d3ef7d1e62d0b8a1f0823dfe80c17930dd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\system\Google.exe

Filesize
31KB

MD5
cc893a8b514d6874965dd29c0c473732

SHA1
69f56d454e6facba1eadffbdc7c2bf826b01ceaf

SHA256
369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a

SHA512
9ce978051ec948e2178a2cbbaf3b72d8367b0b711772ab7c903c34362c0ad848d152fd73babdeca5b86a775460075f526e42ddd4a0062b7b0330b45d495ac9e9

Download Submit
memory/3200-16-0x00000000751F0000-0x00000000759A1000-memory.dmp

Filesize
7.7MB

Download
memory/3200-18-0x00000000751F0000-0x00000000759A1000-memory.dmp

Filesize
7.7MB

Download
memory/3200-19-0x00000000751F0000-0x00000000759A1000-memory.dmp

Filesize
7.7MB

Download
memory/3664-0-0x00000000751FE000-0x00000000751FF000-memory.dmp

Filesize
4KB

Download
memory/3664-1-0x00000000008A0000-0x00000000008AE000-memory.dmp

Filesize
56KB

Download
memory/3664-2-0x00000000052F0000-0x000000000538C000-memory.dmp

Filesize
624KB

Download
memory/3664-3-0x00000000053F0000-0x0000000005456000-memory.dmp

Filesize
408KB

Download
memory/3664-4-0x00000000751F0000-0x00000000759A1000-memory.dmp

Filesize
7.7MB

Download
memory/3664-5-0x0000000006110000-0x00000000066B6000-memory.dmp

Filesize
5.6MB

Download
memory/3664-17-0x00000000751F0000-0x00000000759A1000-memory.dmp

Filesize
7.7MB

Download