limerat | 383787a138376db04c915111b0fba259f7a71051295fcd6f9d8edbe2ee2a22a6

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 21:16

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General

Target

a1c628d5359d578c23674584dd8ed4fd.exe
Size

62KB
MD5

a1c628d5359d578c23674584dd8ed4fd
SHA1

ec7256f6c763f31c48172a0f8c46dcbc1db6c646
SHA256

383787a138376db04c915111b0fba259f7a71051295fcd6f9d8edbe2ee2a22a6
SHA512

3204c18da46bde218d76eee8d8fd83430a464026b16727352912630601521a15d3c8ec1a1f80dbb2bd15de5d83e83c8fa377ff97842b610abf4077579ae82068
SSDEEP

1536:HTnmm9cZwg8H6D1LCLCDIgOifIN6pJ2ee0vvoFRavTuxdZ6Yi:HrmmhH6D1LZGB4pApjarux/6Yi

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
dame
antivm
false
c2_url
https://pastebin.com/raw/dPL0gsvg
delay
3
download_payload
false
install
true
install_name
israel.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/dPL0gsvg
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:

a1c628d5359d578c23674584dd8ed4fd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	a1c628d5359d578c23674584dd8ed4fd.exe

Executes dropped EXE 1 IoCs

Processes:

israel.exe

pid process

368 israel.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

Processes:

schtasks.exe

pid process

1344 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

israel.exe

description pid process

Token: SeDebugPrivilege 368 israel.exe
Token: SeDebugPrivilege 368 israel.exe

pid	process
368	israel.exe

pid	process
1344	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	368	israel.exe
Token: SeDebugPrivilege	368	israel.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a1c628d5359d578c23674584dd8ed4fd.exe

description	pid	process	target process
PID 3336 wrote to memory of 1344	3336	a1c628d5359d578c23674584dd8ed4fd.exe	schtasks.exe
PID 3336 wrote to memory of 1344	3336	a1c628d5359d578c23674584dd8ed4fd.exe	schtasks.exe
PID 3336 wrote to memory of 368	3336	a1c628d5359d578c23674584dd8ed4fd.exe	israel.exe
PID 3336 wrote to memory of 368	3336	a1c628d5359d578c23674584dd8ed4fd.exe	israel.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\a1c628d5359d578c23674584dd8ed4fd.exe
"C:\Users\Admin\AppData\Local\Temp\a1c628d5359d578c23674584dd8ed4fd.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3336
- C:\Windows\SYSTEM32\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\israel.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:1344
- C:\Users\Admin\AppData\Local\Temp\israel.exe
  "C:\Users\Admin\AppData\Local\Temp\israel.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:368

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\israel.exe

Filesize
62KB

MD5
a1c628d5359d578c23674584dd8ed4fd

SHA1
ec7256f6c763f31c48172a0f8c46dcbc1db6c646

SHA256
383787a138376db04c915111b0fba259f7a71051295fcd6f9d8edbe2ee2a22a6

SHA512
3204c18da46bde218d76eee8d8fd83430a464026b16727352912630601521a15d3c8ec1a1f80dbb2bd15de5d83e83c8fa377ff97842b610abf4077579ae82068

Download Submit
memory/368-17-0x00007FFE3AF90000-0x00007FFE3BA51000-memory.dmp

Filesize
10.8MB

Download
memory/368-19-0x0000000001670000-0x0000000001680000-memory.dmp

Filesize
64KB

Download
memory/368-20-0x00007FFE3AF90000-0x00007FFE3BA51000-memory.dmp

Filesize
10.8MB

Download
memory/368-21-0x0000000001670000-0x0000000001680000-memory.dmp

Filesize
64KB

Download
memory/3336-0-0x00000000009D0000-0x00000000009E6000-memory.dmp

Filesize
88KB

Download
memory/3336-1-0x0000000002B40000-0x0000000002B4A000-memory.dmp

Filesize
40KB

Download
memory/3336-2-0x00007FFE3AF90000-0x00007FFE3BA51000-memory.dmp

Filesize
10.8MB

Download
memory/3336-3-0x000000001B670000-0x000000001B680000-memory.dmp

Filesize
64KB

Download
memory/3336-4-0x0000000002B60000-0x0000000002B6C000-memory.dmp

Filesize
48KB

Download
memory/3336-18-0x00007FFE3AF90000-0x00007FFE3BA51000-memory.dmp

Filesize
10.8MB

Download