limerat | 46c414d0da7ab1033ae781c9da1a37914cfbc8eba076f1a77887c69d333daea1

General

Target

New-Client.exe
Size

28KB
MD5

b8813ba4749b8bea32e1ef702ad83c34
SHA1

aa849260f51fe5de7715c7891d2ecdb451d9d64c
SHA256

46c414d0da7ab1033ae781c9da1a37914cfbc8eba076f1a77887c69d333daea1
SHA512

0dee9b0cb061feabf7e19b680da7c937bbb579a372b0cc2c8835124f64488d19bfba7f6f92145e0aaca64ad28f4b9371e89e89e0380821f89c5d1273567df1f5
SSDEEP

768:3pe26nrwtRohTa8X345NjiQshjED80DPAgj:3pGrwtRodzIPBshjEDtcg

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
ashhook123
antivm
false
c2_url
https://pastebin.com/raw/aNRufvVn
delay
40
download_payload
false
install
true
install_name
svhost.exe
main_folder
AppData
pin_spread
false
sub_folder
\Sys\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/aNRufvVn
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
Limerat family
limerat

Executes dropped EXE 1 IoCs

pid	Process
2608	svhost.exe

Loads dropped DLL 2 IoCs

pid	Process
3048	New-Client.exe
3048	New-Client.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New-Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
316	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2608	svhost.exe
2608	svhost.exe
2608	svhost.exe
2608	svhost.exe
2608	svhost.exe
2608	svhost.exe
2608	svhost.exe
2608	svhost.exe
2608	svhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2608	svhost.exe
Token: SeDebugPrivilege	2608	svhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 316	3048	New-Client.exe	32
PID 3048 wrote to memory of 316	3048	New-Client.exe	32
PID 3048 wrote to memory of 316	3048	New-Client.exe	32
PID 3048 wrote to memory of 316	3048	New-Client.exe	32
PID 3048 wrote to memory of 2608	3048	New-Client.exe	34
PID 3048 wrote to memory of 2608	3048	New-Client.exe	34
PID 3048 wrote to memory of 2608	3048	New-Client.exe	34
PID 3048 wrote to memory of 2608	3048	New-Client.exe	34

C:\Users\Admin\AppData\Local\Temp\New-Client.exe
"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Sys\svhost.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:316
- C:\Users\Admin\AppData\Roaming\Sys\svhost.exe
  "C:\Users\Admin\AppData\Roaming\Sys\svhost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Sys\svhost.exe

Filesize
28KB

MD5
b8813ba4749b8bea32e1ef702ad83c34

SHA1
aa849260f51fe5de7715c7891d2ecdb451d9d64c

SHA256
46c414d0da7ab1033ae781c9da1a37914cfbc8eba076f1a77887c69d333daea1

SHA512
0dee9b0cb061feabf7e19b680da7c937bbb579a372b0cc2c8835124f64488d19bfba7f6f92145e0aaca64ad28f4b9371e89e89e0380821f89c5d1273567df1f5

Download Submit
memory/2608-15-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-13-0x0000000000C70000-0x0000000000C7C000-memory.dmp

Filesize
48KB

Download
memory/2608-16-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-17-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-18-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2608-19-0x00000000003F0000-0x000000000040E000-memory.dmp

Filesize
120KB

Download
memory/2608-20-0x0000000000410000-0x000000000041A000-memory.dmp

Filesize
40KB

Download
memory/2608-21-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-2-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/3048-1-0x00000000008F0000-0x00000000008FC000-memory.dmp

Filesize
48KB

Download
memory/3048-14-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads