limerat | 162fcc034bd2479de3b947f8251f1de0c8439bd020d41f3c2d889909b0c09e05

General

Target

New-Client.exe
Size

28KB
MD5

4acf3e373f17ff0c1a97b045e7deb394
SHA1

afddbcc3edcc7669831f7046f3593aab8eef482d
SHA256

162fcc034bd2479de3b947f8251f1de0c8439bd020d41f3c2d889909b0c09e05
SHA512

4e925dc2a9355de5b261e82289735d9f86509343a830800fb5430485b515c389d5299779da8cfc849a927b57946d6a06bcb27f8d3b02fd03cff71a41c9b833d2
SSDEEP

384:+B+Sbj6NKPnt6MPAHHC6KqD/CkyHcwvDKNrCeJE3WNgfSny4g2Ots8IwLQro3lcy:0pPt6MPwHJCky8+45NBD9Oq8IwXTj

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
kiToldeOjIuzvoFoiw9dlgb26LfNMKK3ocaThYk+L+rw5nsYE43ThxWMz5EkWJbE
antivm
false
c2_url
https://pastebin.com/raw/DDTVwwbu
delay
3
download_payload
false
install
true
install_name
pluh.exe
main_folder
AppData
pin_spread
false
sub_folder
\yes\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/DDTVwwbu
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

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-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	New-Client.exe

Executes dropped EXE 1 IoCs

pid	Process
1704	pluh.exe

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

Web Service

T1102

flow	ioc
30	pastebin.com
29	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	pluh.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
1768	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1704	pluh.exe
Token: SeDebugPrivilege	1704	pluh.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 1768	4416	New-Client.exe	94
PID 4416 wrote to memory of 1768	4416	New-Client.exe	94
PID 4416 wrote to memory of 1768	4416	New-Client.exe	94
PID 4416 wrote to memory of 1704	4416	New-Client.exe	96
PID 4416 wrote to memory of 1704	4416	New-Client.exe	96
PID 4416 wrote to memory of 1704	4416	New-Client.exe	96

C:\Users\Admin\AppData\Local\Temp\New-Client.exe
"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\yes\pluh.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1768
- C:\Users\Admin\AppData\Roaming\yes\pluh.exe
  "C:\Users\Admin\AppData\Roaming\yes\pluh.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1704

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\yes\pluh.exe

Filesize
28KB

MD5
4acf3e373f17ff0c1a97b045e7deb394

SHA1
afddbcc3edcc7669831f7046f3593aab8eef482d

SHA256
162fcc034bd2479de3b947f8251f1de0c8439bd020d41f3c2d889909b0c09e05

SHA512
4e925dc2a9355de5b261e82289735d9f86509343a830800fb5430485b515c389d5299779da8cfc849a927b57946d6a06bcb27f8d3b02fd03cff71a41c9b833d2

Download Submit
memory/1704-16-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/1704-17-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/1704-18-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/1704-19-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/4416-1-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/4416-2-0x0000000004940000-0x00000000049DC000-memory.dmp

Filesize
624KB

Download
memory/4416-3-0x0000000004880000-0x00000000048E6000-memory.dmp

Filesize
408KB

Download
memory/4416-4-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4416-5-0x0000000005690000-0x0000000005C34000-memory.dmp

Filesize
5.6MB

Download
memory/4416-15-0x0000000074D00000-0x00000000754B0000-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