limerat | 7e599c6aa3e49cbe46990cf8fd8803cb30e2255a2f21d6a1287e7ee4a2ff9fc3

Analysis

max time kernel
150s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 17:46

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General

Target

08750B4BBC8A34A3F7E12BB6F9A71444.exe
Size

28KB
MD5

08750b4bbc8a34a3f7e12bb6f9a71444
SHA1

400f42a7a1c9d7486ad7d07200a5a2908d71d231
SHA256

7e599c6aa3e49cbe46990cf8fd8803cb30e2255a2f21d6a1287e7ee4a2ff9fc3
SHA512

81b25e17299f11b8487df0914471f85786d30983f87640eb6b4bbda2a21257a675085c32395694a49d00f8d7d0e01705a06f870c4d7729159fd0d62ed2eac5f0
SSDEEP

384:s/rLhJcl6QdgPxVHGhOaZJTGPuFW9vcCZjgD0kau3GXsW7ltIpjIhvGyvN9:s/rLhufgPhaumCvcvDauCWjIhvr

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
NKHUB
antivm
true
c2_url
https://pastebin.com/raw/K6zz3eth
delay
3
download_payload
false
install
true
install_name
svchost.exe
main_folder
Temp
pin_spread
false
sub_folder
\OdlaçddApdad\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/K6zz3eth
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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	08750B4BBC8A34A3F7E12BB6F9A71444.exe

Executes dropped EXE 1 IoCs

pid	Process
4988	svchost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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
2328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe
4988	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4988	svchost.exe
Token: SeDebugPrivilege	4988	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 2328	4540	08750B4BBC8A34A3F7E12BB6F9A71444.exe	92
PID 4540 wrote to memory of 2328	4540	08750B4BBC8A34A3F7E12BB6F9A71444.exe	92
PID 4540 wrote to memory of 2328	4540	08750B4BBC8A34A3F7E12BB6F9A71444.exe	92
PID 4540 wrote to memory of 4988	4540	08750B4BBC8A34A3F7E12BB6F9A71444.exe	94
PID 4540 wrote to memory of 4988	4540	08750B4BBC8A34A3F7E12BB6F9A71444.exe	94
PID 4540 wrote to memory of 4988	4540	08750B4BBC8A34A3F7E12BB6F9A71444.exe	94

C:\Users\Admin\AppData\Local\Temp\08750B4BBC8A34A3F7E12BB6F9A71444.exe
"C:\Users\Admin\AppData\Local\Temp\08750B4BBC8A34A3F7E12BB6F9A71444.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\OdlaçddApdad\svchost.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2328
- C:\Users\Admin\AppData\Local\Temp\OdlaçddApdad\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\OdlaçddApdad\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\OdlaçddApdad\svchost.exe

Filesize
28KB

MD5
08750b4bbc8a34a3f7e12bb6f9a71444

SHA1
400f42a7a1c9d7486ad7d07200a5a2908d71d231

SHA256
7e599c6aa3e49cbe46990cf8fd8803cb30e2255a2f21d6a1287e7ee4a2ff9fc3

SHA512
81b25e17299f11b8487df0914471f85786d30983f87640eb6b4bbda2a21257a675085c32395694a49d00f8d7d0e01705a06f870c4d7729159fd0d62ed2eac5f0

Download Submit
memory/4540-0-0x00000000003D0000-0x00000000003DC000-memory.dmp

Filesize
48KB

Download
memory/4540-1-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4540-2-0x0000000002760000-0x000000000276C000-memory.dmp

Filesize
48KB

Download
memory/4540-3-0x0000000007330000-0x00000000073CC000-memory.dmp

Filesize
624KB

Download
memory/4540-4-0x0000000007290000-0x00000000072F6000-memory.dmp

Filesize
408KB

Download
memory/4540-5-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4540-6-0x0000000007F40000-0x00000000084E4000-memory.dmp

Filesize
5.6MB

Download
memory/4540-16-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4988-17-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4988-18-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download