limerat | a99f94cf335d13cbd71ad98168f91c6375ac04915162e661d7ade4bca774cc0b

General

Target

New-Client.exe
Size

28KB
MD5

477ce98a3678a3fa62270962d2304eb3
SHA1

70844a960c9f74e256c85bf1f6d98762c9020a93
SHA256

a99f94cf335d13cbd71ad98168f91c6375ac04915162e661d7ade4bca774cc0b
SHA512

6c61244031cc0337b972cea921ea3e06794601e1ebb8a86a5a4a93e1b4b3a8af210e77b10a1648d6c7df552388794bade371f6c8b9f5401dda5b62911e615596
SSDEEP

384:WB+Sbj6NKAxQ6rHAHL03HHMqDdqgDfyEZLvDKNrCeJE3WNgA8X85dkMsIUn2XQre:MpAi6rHwLClqguEl45N75Tk2hj

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Wallets

bc1qj3rdwv02j3lpyjr4j2vjv87ajm5mz0prl8dau5

Attributes

aes_key
katfv
antivm
true
c2_url
https://pastebin.com/raw/Jh43dGvB
delay
3
download_payload
false
install
true
install_name
schtasks.exe
main_folder
Temp
pin_spread
true
sub_folder
\Windows\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/Jh43dGvB
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
2688	schtasks.exe

Loads dropped DLL 2 IoCs

pid	Process
1552	New-Client.exe
1552	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New-Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3060	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	schtasks.exe
Token: SeDebugPrivilege	2688	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 3060	1552	New-Client.exe	32
PID 1552 wrote to memory of 3060	1552	New-Client.exe	32
PID 1552 wrote to memory of 3060	1552	New-Client.exe	32
PID 1552 wrote to memory of 3060	1552	New-Client.exe	32
PID 1552 wrote to memory of 2688	1552	New-Client.exe	34
PID 1552 wrote to memory of 2688	1552	New-Client.exe	34
PID 1552 wrote to memory of 2688	1552	New-Client.exe	34
PID 1552 wrote to memory of 2688	1552	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:1552
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Windows\schtasks.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3060
- C:\Users\Admin\AppData\Local\Temp\Windows\schtasks.exe
  "C:\Users\Admin\AppData\Local\Temp\Windows\schtasks.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2688

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\Local\Temp\Windows\schtasks.exe

Filesize
28KB

MD5
477ce98a3678a3fa62270962d2304eb3

SHA1
70844a960c9f74e256c85bf1f6d98762c9020a93

SHA256
a99f94cf335d13cbd71ad98168f91c6375ac04915162e661d7ade4bca774cc0b

SHA512
6c61244031cc0337b972cea921ea3e06794601e1ebb8a86a5a4a93e1b4b3a8af210e77b10a1648d6c7df552388794bade371f6c8b9f5401dda5b62911e615596

Download Submit
memory/1552-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/1552-1-0x0000000000340000-0x000000000034C000-memory.dmp

Filesize
48KB

Download
memory/1552-13-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-12-0x0000000000180000-0x000000000018C000-memory.dmp

Filesize
48KB

Download
memory/2688-14-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-15-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-16-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-17-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads