limerat | e17ccf577de45924b8667a25fed7a0bbcf88a0f39b453887a915cacb0dd66761

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 14:49

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General

Target

3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe
Size

28KB
MD5

3a998d2d3e89f9faa6049ab5f558dc5c
SHA1

dbe718ca2975f66c1fe71c2e3f90875f3c5dda65
SHA256

e17ccf577de45924b8667a25fed7a0bbcf88a0f39b453887a915cacb0dd66761
SHA512

5a1ccdc7d794bdc9a09f0d26a3b279c06da8efe7f39dcf50f8018e4730c605998ffee5938a5cba31e806f48aa940f4e861cbd29a360f856f08a59da9338c7c61
SSDEEP

384:62+Sbj6NKUSs6/DAt9iXCqDtS7H+ovDKNrCeJE3WNgLOGngyFT3DKSNQro3lcSMQ:npUP6/Dq9GS7H+m45N8//3DKSDj

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/ECrBZ5F2
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

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
5100	Yoooo.exe

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

Web Service

T1102

flow	ioc
17	pastebin.com
18	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	Yoooo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.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
4140	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5100	Yoooo.exe
Token: SeDebugPrivilege	5100	Yoooo.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 4140	4704	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	87
PID 4704 wrote to memory of 4140	4704	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	87
PID 4704 wrote to memory of 4140	4704	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	87
PID 4704 wrote to memory of 5100	4704	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	89
PID 4704 wrote to memory of 5100	4704	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	89
PID 4704 wrote to memory of 5100	4704	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Yoooo\Yoooo.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4140
- C:\Users\Admin\AppData\Roaming\Yoooo\Yoooo.exe
  "C:\Users\Admin\AppData\Roaming\Yoooo\Yoooo.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Yoooo\Yoooo.exe

Filesize
28KB

MD5
3a998d2d3e89f9faa6049ab5f558dc5c

SHA1
dbe718ca2975f66c1fe71c2e3f90875f3c5dda65

SHA256
e17ccf577de45924b8667a25fed7a0bbcf88a0f39b453887a915cacb0dd66761

SHA512
5a1ccdc7d794bdc9a09f0d26a3b279c06da8efe7f39dcf50f8018e4730c605998ffee5938a5cba31e806f48aa940f4e861cbd29a360f856f08a59da9338c7c61

Download Submit
memory/4704-0-0x0000000074752000-0x0000000074753000-memory.dmp

Filesize
4KB

Download
memory/4704-1-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/4704-2-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/4704-12-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/5100-14-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/5100-13-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/5100-15-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/5100-16-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads