limerat | 7a9a5279a3ced8e2aabcb0edf0c1f5f935d33b49807de894774ad8f9c51a02f8

General

Target

f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe
Size

380KB
MD5

f998121d523426ed0afed3d21dfb0d69
SHA1

fd4da5a1bd5ec4d6508c78a01f0002a3348df0e7
SHA256

7a9a5279a3ced8e2aabcb0edf0c1f5f935d33b49807de894774ad8f9c51a02f8
SHA512

c701c0bd0a129adb3593e66d6867f605f305a28c02351c3df607505f0e6bbe66d8755d8b9ac8ea22b550b233fed7335a179100b8bf889d843d6a8a540b1334f0
SSDEEP

6144:V6C4vUQ2R02etDfet3Agp0q9ygbX+1RzDU8vTMpcvEF:V7Q002e1saMJcR/VbKcvi

Score

10^/10

limerat agilenet rat

Malware Config

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/tDBQY6gT
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

Processes:

f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

Window Security Notification.exe

pid process

4952 Window Security Notification.exe
Loads dropped DLL 2 IoCs

Processes:

f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exeWindow Security Notification.exe

pid process

4764 f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe
4952 Window Security Notification.exe

pid	process
4952	Window Security Notification.exe

pid	process
4764	f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe
4952	Window Security Notification.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
C:\Users\Admin\System32\Window Security Notification.exe	agile_net

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

Web Service
T1102

Processes:

flow ioc

34 pastebin.com
35 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

3600 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Window Security Notification.exe

description pid process

Token: SeDebugPrivilege 4952 Window Security Notification.exe
Token: SeDebugPrivilege 4952 Window Security Notification.exe

flow	ioc
34	pastebin.com
35	pastebin.com

pid	process
3600	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	4952	Window Security Notification.exe
Token: SeDebugPrivilege	4952	Window Security Notification.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe

description	pid	process	target process
PID 4764 wrote to memory of 3600	4764	f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe	schtasks.exe
PID 4764 wrote to memory of 3600	4764	f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe	schtasks.exe
PID 4764 wrote to memory of 3600	4764	f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe	schtasks.exe
PID 4764 wrote to memory of 4952	4764	f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe	Window Security Notification.exe
PID 4764 wrote to memory of 4952	4764	f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe	Window Security Notification.exe
PID 4764 wrote to memory of 4952	4764	f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe	Window Security Notification.exe

C:\Users\Admin\AppData\Local\Temp\f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f998121d523426ed0afed3d21dfb0d69_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\System32\Window Security Notification.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3600
- C:\Users\Admin\System32\Window Security Notification.exe
  "C:\Users\Admin\System32\Window Security Notification.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  PID:4952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\658fe764-17b2-4bab-9272-0ccf7d8dc77a\AgileDotNetRT.dll

Filesize
140KB

MD5
edd74be9723cdc6a5692954f0e51c9f3

SHA1
e9fb66ceee1ba4ce7e5b8271b3e1ed7cb9acf686

SHA256
55ff1e0a4e5866d565ceeb9baafac73fdcb4464160fc6c78104d935009935cd7

SHA512
80abecdd07f364283f216d8f4d90a4da3efd4561900631fce05c2916afeb1b5bbce23ae92d57430b7b2b06c172b2ad701b2ab75b6dfd2a861abcf7edc38462f3

Download Submit
C:\Users\Admin\System32\Window Security Notification.exe

Filesize
380KB

MD5
f998121d523426ed0afed3d21dfb0d69

SHA1
fd4da5a1bd5ec4d6508c78a01f0002a3348df0e7

SHA256
7a9a5279a3ced8e2aabcb0edf0c1f5f935d33b49807de894774ad8f9c51a02f8

SHA512
c701c0bd0a129adb3593e66d6867f605f305a28c02351c3df607505f0e6bbe66d8755d8b9ac8ea22b550b233fed7335a179100b8bf889d843d6a8a540b1334f0

Download Submit
memory/4764-30-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/4764-1-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/4764-9-0x0000000001530000-0x0000000001540000-memory.dmp

Filesize
64KB

Download
memory/4764-11-0x0000000072F00000-0x0000000072F28000-memory.dmp

Filesize
160KB

Download
memory/4764-10-0x0000000073710000-0x000000007376B000-memory.dmp

Filesize
364KB

Download
memory/4764-24-0x0000000072F00000-0x0000000072F28000-memory.dmp

Filesize
160KB

Download
memory/4764-0-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-28-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-29-0x00000000019B0000-0x00000000019C0000-memory.dmp

Filesize
64KB

Download
memory/4952-31-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-32-0x0000000072F00000-0x0000000072F28000-memory.dmp

Filesize
160KB

Download
memory/4952-27-0x0000000073710000-0x000000007376B000-memory.dmp

Filesize
364KB

Download
memory/4952-33-0x00000000019B0000-0x00000000019C0000-memory.dmp

Filesize
64KB

Download
memory/4952-34-0x00000000749F0000-0x0000000074FA1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-35-0x00000000019B0000-0x00000000019C0000-memory.dmp

Filesize
64KB

Download
memory/4952-36-0x0000000072F00000-0x0000000072F28000-memory.dmp

Filesize
160KB

Download
memory/4952-37-0x00000000019B0000-0x00000000019C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads