MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 878643568188dd7d9aace8ab1eeb2d239b40813156ead079638f17ddc7d2fd83. 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: 9
| SHA256 hash: | 878643568188dd7d9aace8ab1eeb2d239b40813156ead079638f17ddc7d2fd83 |
|---|---|
| SHA3-384 hash: | e16e37e0ba1940e16a710a058c25f514794fabd479d3599367dc1c8512c842a24d4acaa65522512faef0d4bbc7151643 |
| SHA1 hash: | 8ad1a325b175012b71dddc8a0c2a83043161bb17 |
| MD5 hash: | d0aa4ce86b20ebd6f24d7b0727caa8d9 |
| humanhash: | rugby-missouri-low-fourteen |
| File name: | OC CVE6535 _TVOP-MIO 21(C) 2020,pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 503'984 bytes |
| First seen: | 2020-10-22 06:24:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 3072:RuuA+RNhXYTL6t8fj1zTAx/kWhFp3XWEX6JXhluKGvb/Yub:Rc+tYKts4 |
| Threatray | 928 similar samples on MalwareBazaar |
| TLSH | FBB4953CADD52237A6B7D6B6C9F509DBFA11795331566C0E80D723820A23B977EC201E |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: naboo.endor.pl
Sending IP: 91.194.229.149
From: Nelly Juarez Reyes <njuarez@plasticoskasse.com.ar>
Subject: RE: CONFIRMACIÓN DE PEDIDO CVE6535
Attachment: OC CVE6535 _TVOP-MIO 21C 2020,pdf.iso (contains "OC CVE6535 _TVOP-MIO 21(C) 2020,pdf.exe")
RemcosRAT C2:
insidelife1.ddns.net
Intelligence
File Origin
# of uploads :
1
# of downloads :
66
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:
rans.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
Contains functionalty to change the wallpaper
Detected Remcos RAT
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 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.Spyware.Stelega
Status:
Malicious
First seen:
2020-10-21 14:37:03 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 918 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
persistence rat family:remcos
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
insidelife1.ddns.net:8811
Unpacked files
SH256 hash:
878643568188dd7d9aace8ab1eeb2d239b40813156ead079638f17ddc7d2fd83
MD5 hash:
d0aa4ce86b20ebd6f24d7b0727caa8d9
SHA1 hash:
8ad1a325b175012b71dddc8a0c2a83043161bb17
SH256 hash:
5fda7ee9bc5175075ee399ebf129d02f46eee3955ec06d359409e913ba7612d7
MD5 hash:
a10645a9d67ce46819443318e9b3063c
SHA1 hash:
a1ba5cfd0eb7fda77e513e3cc5c647baba61e29e
SH256 hash:
5b768fc54bf38bd46860e3cde948c2e2fa6d088e80020d76506484ec4d446df6
MD5 hash:
eb96d4fefcc9c58a9a46d70a49e70daf
SHA1 hash:
acd9edd4b9467ea91ae5b1e28a5156ffcdfed951
SH256 hash:
ef8e084c9c5c4853fecdf640f26e0e4f214a6031451524281d4bb7708f926a1c
MD5 hash:
76dbb0c79b0926f697c642f376ce2ac9
SHA1 hash:
ad043a1c9ed2d710f9c89da1f5f4df96c52813db
Detections:
win_remcos_g0
win_remcos_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
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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