limerat | 7ad4833a0a350da2896e61f57df12dd34e3f22c8e80e75184550b61176594eb0

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2023 03:19

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General

Target

76599bf790a73e2b744baf9a32e85f68.exe
Size

451KB
MD5

76599bf790a73e2b744baf9a32e85f68
SHA1

540189233d31135e0dfb448e66b6b04d6a18a5cc
SHA256

7ad4833a0a350da2896e61f57df12dd34e3f22c8e80e75184550b61176594eb0
SHA512

6a6632c228363055bdaaea0e59b9115a8c176ab3946dc7557a8dba8b6a754cb54d967a9f51d1d933216032f887ba44a9925224c78cb75caabeca1cac28aa8e2f
SSDEEP

6144:UJCvLUCa8FDbtUhB8wNHVi2dpgaUIVdrjc:UwLFjFUhB1HVx1JVe

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

bc1qkrux9qr0mu3ffgysy47lh3mh2638vxeu6vpufu

Attributes

aes_key
xxx
antivm
false
c2_url
https://pastebin.com/raw/7chtuSCB
delay
11
download_payload
false
install
true
install_name
explorer.exe
main_folder
AppData
pin_spread
true
sub_folder
\WinExplorer\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/7chtuSCB
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-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	76599bf790a73e2b744baf9a32e85f68.exe

Executes dropped EXE 1 IoCs

pid	Process
4240	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
3616	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4240	explorer.exe
Token: SeDebugPrivilege	4240	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 3616	1140	76599bf790a73e2b744baf9a32e85f68.exe	95
PID 1140 wrote to memory of 3616	1140	76599bf790a73e2b744baf9a32e85f68.exe	95
PID 1140 wrote to memory of 3616	1140	76599bf790a73e2b744baf9a32e85f68.exe	95
PID 1140 wrote to memory of 4240	1140	76599bf790a73e2b744baf9a32e85f68.exe	97
PID 1140 wrote to memory of 4240	1140	76599bf790a73e2b744baf9a32e85f68.exe	97
PID 1140 wrote to memory of 4240	1140	76599bf790a73e2b744baf9a32e85f68.exe	97

C:\Users\Admin\AppData\Local\Temp\76599bf790a73e2b744baf9a32e85f68.exe
"C:\Users\Admin\AppData\Local\Temp\76599bf790a73e2b744baf9a32e85f68.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\WinExplorer\explorer.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3616
- C:\Users\Admin\AppData\Roaming\WinExplorer\explorer.exe
  "C:\Users\Admin\AppData\Roaming\WinExplorer\explorer.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4240

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\WinExplorer\explorer.exe

Filesize
451KB

MD5
76599bf790a73e2b744baf9a32e85f68

SHA1
540189233d31135e0dfb448e66b6b04d6a18a5cc

SHA256
7ad4833a0a350da2896e61f57df12dd34e3f22c8e80e75184550b61176594eb0

SHA512
6a6632c228363055bdaaea0e59b9115a8c176ab3946dc7557a8dba8b6a754cb54d967a9f51d1d933216032f887ba44a9925224c78cb75caabeca1cac28aa8e2f

Download Submit
C:\Users\Admin\AppData\Roaming\WinExplorer\explorer.exe

Filesize
451KB

MD5
76599bf790a73e2b744baf9a32e85f68

SHA1
540189233d31135e0dfb448e66b6b04d6a18a5cc

SHA256
7ad4833a0a350da2896e61f57df12dd34e3f22c8e80e75184550b61176594eb0

SHA512
6a6632c228363055bdaaea0e59b9115a8c176ab3946dc7557a8dba8b6a754cb54d967a9f51d1d933216032f887ba44a9925224c78cb75caabeca1cac28aa8e2f

Download Submit
C:\Users\Admin\AppData\Roaming\WinExplorer\explorer.exe

Filesize
451KB

MD5
76599bf790a73e2b744baf9a32e85f68

SHA1
540189233d31135e0dfb448e66b6b04d6a18a5cc

SHA256
7ad4833a0a350da2896e61f57df12dd34e3f22c8e80e75184550b61176594eb0

SHA512
6a6632c228363055bdaaea0e59b9115a8c176ab3946dc7557a8dba8b6a754cb54d967a9f51d1d933216032f887ba44a9925224c78cb75caabeca1cac28aa8e2f

Download Submit
memory/1140-0-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/1140-1-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/1140-2-0x0000000000E80000-0x0000000000E90000-memory.dmp

Filesize
64KB

Download
memory/1140-3-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/1140-15-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4240-13-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4240-14-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4240-16-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads