MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1b3da0f883c24b91508fa490013c10763b6dc410a322cf31b8eb53916037add1. 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: 12
| SHA256 hash: | 1b3da0f883c24b91508fa490013c10763b6dc410a322cf31b8eb53916037add1 |
|---|---|
| SHA3-384 hash: | e9092e02122ec5422a943f62a73b226bf32a34395d03d5e823a3e6ae84f6090adc834fe7bf235c8ff0681e74cbc0bd3a |
| SHA1 hash: | 25ca268f38fa21b478d45be84720158ebd6be383 |
| MD5 hash: | ae1e16d6a53eac98e37e25fad6aa4dbc |
| humanhash: | uncle-pizza-yellow-robert |
| File name: | 2021Mar01_9073782913, pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 732'672 bytes |
| First seen: | 2021-03-01 06:41:48 UTC |
| Last seen: | 2021-03-01 08:53:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:4jZuDZdP0PSp+zDm0zRNlaUjUbp3yIoFR1Jd:PCPSpIDNRfHjUF3NEH |
| Threatray | 5 similar samples on MalwareBazaar |
| TLSH | 3BF40950608D644EC4337AF11AE9C53FA3593F59512BE50F20C2BAA72DB3742A787E1B |
| Reporter |  abuse_ch |
| Tags: | DHL exe nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: server.inovecom.mx
Sending IP: 198.27.83.215
From: DHL Express Cargo <NoReply.ODD@dhl.com>
Subject: Re: DHL Cargo Delivery
Attachment: 2021Mar01_9073782913, pdf.iso (contains "2021Mar01_9073782913, pdf.exe")
RemcosRAT C2:
goddywin.freedynamicdns.net:6712 (194.5.97.10)
Pointing to nVpn:
% Information related to '194.5.97.0 - 194.5.97.255'
% Abuse contact for '194.5.97.0 - 194.5.97.255' is 'abuse@privacyfirst.sh'
inetnum: 194.5.97.0 - 194.5.97.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-UK5
country: GB
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
mnt-by: PRIVACYFIRST-MNT
status: SUB-ALLOCATED PA
created: 2018-07-23T09:31:45Z
last-modified: 2020-08-26T17:48:55Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2021Mar01_9073782913, pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-01 06:50:47 UTC
Tags:
trojan rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
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
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2021-03-01 06:42:10 UTC
AV detection:
9 of 48 (18.75%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
goddywin.freedynamicdns.net:6712
Unpacked files
SH256 hash:
2d73049ca3c6002833258edd2b8ad3248ecf21fa198da7db8d501853df3d5052
MD5 hash:
d84f1bccc19c0c71642637c0ca52135b
SHA1 hash:
f6708199200d8d98c8acdd7e25bc77d1880602b1
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
eca79ca352fbfe4db2a15ebdd005e9c29471b34960c8de78db5f27bb367bb7d4
MD5 hash:
b46b6104927a5e7c325ff7a18fda9596
SHA1 hash:
9fbda6e8958e974d29da22d4d74a02670a272e08
SH256 hash:
f8b5b51efedb3e87493ac2439473564603cc3059d57956f209a7310e311a1027
MD5 hash:
d66f89bf838fb52ed59d311a99aea214
SHA1 hash:
342525c4aabbb92abf51459081d34ed0f1cdc965
SH256 hash:
1b3da0f883c24b91508fa490013c10763b6dc410a322cf31b8eb53916037add1
MD5 hash:
ae1e16d6a53eac98e37e25fad6aa4dbc
SHA1 hash:
25ca268f38fa21b478d45be84720158ebd6be383
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Parallax |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Parallax RAT. |
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| 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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