limerat | d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 15:45

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General

Target

d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe
Size

1.1MB
MD5

cc166b3ea155fd47e3380f79d66e982e
SHA1

e66dcd125112794858f360172e937691657ca098
SHA256

d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1
SHA512

296252cd91831cc1cb75342a209f8ee5b8cde55edd06bc8c842d2c478459c485a990a3bf6d6fc0ef4031cd336088ac12a33ec10cb487a11b5548aa87d7d94a13
SSDEEP

24576:SAHnh+eWsN3skA4RV1Hom2KXMmHaas+nsm1ZOGP5:Vh+ZkldoPK8YaaBvZO2

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

1JBKLGyE6AnRGvk92A8x3m8qmXfh3fcEty

Attributes

aes_key
nulled
antivm
true
c2_url
https://pastebin.com/raw/cXuQ0V20
delay
3
download_payload
false
install
false
install_name
Winservices.exe
main_folder
AppData
pin_spread
false
sub_folder
\Services\
usb_spread
true

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\attrib.url	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5036 set thread context of 5032	5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe	82

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	RegAsm.exe
Token: SeDebugPrivilege	5032	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe
5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe
5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe
5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe
5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 5032	5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe	82
PID 5036 wrote to memory of 5032	5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe	82
PID 5036 wrote to memory of 5032	5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe	82
PID 5036 wrote to memory of 5032	5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe	82
PID 5036 wrote to memory of 5032	5036	d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe	82

C:\Users\Admin\AppData\Local\Temp\d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe
"C:\Users\Admin\AppData\Local\Temp\d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious use of AdjustPrivilegeToken
  PID:5032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/5032-132-0x0000000000000000-mapping.dmp

Download
memory/5032-133-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5032-137-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-138-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download