limerat | ec344326d43881d1fbf9fe5d63519fb3d8f345e966da5e417682763e37f75281

General

Target

89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe
Size

28KB
MD5

89c668f0c43d38409f518621725f71c5
SHA1

4b6b055e362cc3563b9dabac32af9ae5e0a97bb0
SHA256

ec344326d43881d1fbf9fe5d63519fb3d8f345e966da5e417682763e37f75281
SHA512

65c5d20ec7726a165a8a772b5f0c016c12cb34f96bb5f9026eed9b04d8e82c270d347095efbfd4e67be96269efa78494abc3cadd7678b22e56dfcd8b9a7436cd
SSDEEP

384:7B+Sbj6NKcy4506XbAHDM/VqDhBXsk6IvDKNrCeJE3WNgMNyHVfRUfswQro3lc1C:lpcy4G6XbwDZBXsBG45N1yHp7amuj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
yes
antivm
true
c2_url
https://pastebin.com/raw/LzVZn2Aw
delay
3
download_payload
false
install
true
install_name
Windows Security Health Service.exe
main_folder
AppData
pin_spread
false
sub_folder
\WindowsSecurityHealthService\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/LzVZn2Aw
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

Executes dropped EXE 1 IoCs

pid	Process
2644	Windows Security Health Service.exe

Loads dropped DLL 2 IoCs

pid	Process
756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe
756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.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

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

pid	Process
2640	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	Windows Security Health Service.exe
Token: SeDebugPrivilege	2644	Windows Security Health Service.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 2640	756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe	29
PID 756 wrote to memory of 2640	756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe	29
PID 756 wrote to memory of 2640	756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe	29
PID 756 wrote to memory of 2640	756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe	29
PID 756 wrote to memory of 2644	756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe	31
PID 756 wrote to memory of 2644	756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe	31
PID 756 wrote to memory of 2644	756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe	31
PID 756 wrote to memory of 2644	756	89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\89c668f0c43d38409f518621725f71c5_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:756
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\WindowsSecurityHealthService\Windows Security Health Service.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2640
- C:\Users\Admin\AppData\Roaming\WindowsSecurityHealthService\Windows Security Health Service.exe
  "C:\Users\Admin\AppData\Roaming\WindowsSecurityHealthService\Windows Security Health Service.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2644

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\WindowsSecurityHealthService\Windows Security Health Service.exe

Filesize
28KB

MD5
89c668f0c43d38409f518621725f71c5

SHA1
4b6b055e362cc3563b9dabac32af9ae5e0a97bb0

SHA256
ec344326d43881d1fbf9fe5d63519fb3d8f345e966da5e417682763e37f75281

SHA512
65c5d20ec7726a165a8a772b5f0c016c12cb34f96bb5f9026eed9b04d8e82c270d347095efbfd4e67be96269efa78494abc3cadd7678b22e56dfcd8b9a7436cd

Download Submit
memory/756-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/756-1-0x0000000000BB0000-0x0000000000BBC000-memory.dmp

Filesize
48KB

Download
memory/756-13-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/756-15-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-12-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/2644-14-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-16-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-31-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2644-32-0x0000000074E70000-0x000000007555E000-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