limerat | 5dec0f27227eadf44edaf408e42789e3a7f2d74b990cc4384c18269a87c913ae

Analysis

max time kernel
207s
max time network
215s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 13:07

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General

Target

APrograma_ideo.exe
Size

28KB
MD5

df15ea1cdcecda3e500718272094290b
SHA1

d9f6cb8f96bf8b1002af457a54a73b12f9d1c553
SHA256

5dec0f27227eadf44edaf408e42789e3a7f2d74b990cc4384c18269a87c913ae
SHA512

ece988c6a37716b6817a67f7e45ab5b7e60179e7b2f3d3af74190617a77e4f8ed3df043302ea0758c91bbc55ddfe177798b3b0136f2d893c9d0d564ab36101e7
SSDEEP

384:aVB+Sbj6NKI3q6PTAHdyedqDxDOnxWYvDKNrCeJE3WNgEP4xUwoa45OT+tY3rrQN:spIa6PTwdyDsY245NGxiS3zij

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
123
antivm
true
c2_url
https://pastebin.com/raw/8qJFrj2H
delay
3
download_payload
false
install
true
install_name
explorer.exe
main_folder
AppData
pin_spread
true
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/8qJFrj2H
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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	APrograma_ideo.exe

Executes dropped EXE 1 IoCs

pid	Process
1724	explorer.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
2816	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	explorer.exe
Token: SeDebugPrivilege	1724	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 2816	4112	APrograma_ideo.exe	99
PID 4112 wrote to memory of 2816	4112	APrograma_ideo.exe	99
PID 4112 wrote to memory of 2816	4112	APrograma_ideo.exe	99
PID 4112 wrote to memory of 1724	4112	APrograma_ideo.exe	102
PID 4112 wrote to memory of 1724	4112	APrograma_ideo.exe	102
PID 4112 wrote to memory of 1724	4112	APrograma_ideo.exe	102

C:\Users\Admin\AppData\Local\Temp\APrograma_ideo.exe
"C:\Users\Admin\AppData\Local\Temp\APrograma_ideo.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\explorer.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2816
- C:\Users\Admin\AppData\Roaming\explorer.exe
  "C:\Users\Admin\AppData\Roaming\explorer.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1724

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\Roaming\explorer.exe

Filesize
28KB

MD5
df15ea1cdcecda3e500718272094290b

SHA1
d9f6cb8f96bf8b1002af457a54a73b12f9d1c553

SHA256
5dec0f27227eadf44edaf408e42789e3a7f2d74b990cc4384c18269a87c913ae

SHA512
ece988c6a37716b6817a67f7e45ab5b7e60179e7b2f3d3af74190617a77e4f8ed3df043302ea0758c91bbc55ddfe177798b3b0136f2d893c9d0d564ab36101e7

Download Submit
memory/1724-15-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/1724-16-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/1724-18-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/1724-19-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/4112-0-0x00000000001A0000-0x00000000001AC000-memory.dmp

Filesize
48KB

Download
memory/4112-1-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4112-2-0x0000000004B70000-0x0000000004C0C000-memory.dmp

Filesize
624KB

Download
memory/4112-3-0x0000000004C80000-0x0000000004CE6000-memory.dmp

Filesize
408KB

Download
memory/4112-4-0x0000000002620000-0x0000000002630000-memory.dmp

Filesize
64KB

Download
memory/4112-5-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/4112-17-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads