MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a1a49629b078b28852b0c9de34d8581ddb2c06bf09950bc4fc07262b65f72a7. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
RemcosRAT
Vendor detections: 10
| SHA256 hash: | 1a1a49629b078b28852b0c9de34d8581ddb2c06bf09950bc4fc07262b65f72a7 |
|---|---|
| SHA3-384 hash: | 00d519c63e8080753425660b5fa767da275147d44a9bd56705019e5dc6a1d83e26d81c9bbdf1b094e1a3e61df0dbf089 |
| SHA1 hash: | 6ba97371e2db7700c1d385da75c9ab6ad9c253a9 |
| MD5 hash: | 6ea769d25e267ba109b9360a18f88917 |
| humanhash: | berlin-muppet-failed-oklahoma |
| File name: | Confirmación de datos bancarios,rar.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 509'616 bytes |
| First seen: | 2020-10-23 17:38:44 UTC |
| Last seen: | 2020-10-23 19:09:57 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger) |
| ssdeep | 3072:RQ8IRS49MYc+U0Xn+av+ke6OijKXLwXDoX9BNyhMLmIfrS2y6:RQlkFJ+Ci5NA |
| Threatray | 946 similar samples on MalwareBazaar |
| TLSH | 05B4933CADD5663796BBD6B6C9F549CBFA55784331116C0E80DB23820A23BA77DC201E |
| Reporter |  abuse_ch |
| Tags: | ESP exe geo RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:From: Hierrosur <ventas@hierrosur.com.uy>
Subject: Detalles del banco
Attachment: Confirmación de datos bancarios,rar.rar (contains "Confirmación de datos bancarios,rar.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-23 15:55:25 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 936 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
rat family:remcos persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
newlogs.ddns.net:1655
Unpacked files
SH256 hash:
a654ad339e3af2905ed001c4acb29e51bf95835a2ceeb249e913214520752c03
MD5 hash:
54495787ec761e6fe964d6ae262916b4
SHA1 hash:
2c1a9a49b56837d6caef317b4e8c60189bdba54c
SH256 hash:
5fda7ee9bc5175075ee399ebf129d02f46eee3955ec06d359409e913ba7612d7
MD5 hash:
a10645a9d67ce46819443318e9b3063c
SHA1 hash:
a1ba5cfd0eb7fda77e513e3cc5c647baba61e29e
SH256 hash:
d91844c1271fd65035a297149067ba5769147ab9fa643b86ef54ae96e8bf7e6f
MD5 hash:
df47c149b9793b1178e8aec7ac51c210
SHA1 hash:
a1290b4dd7cbf68b712a6137677dea884d803522
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
1a1a49629b078b28852b0c9de34d8581ddb2c06bf09950bc4fc07262b65f72a7
MD5 hash:
6ea769d25e267ba109b9360a18f88917
SHA1 hash:
6ba97371e2db7700c1d385da75c9ab6ad9c253a9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Parallax |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Parallax RAT. |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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