MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 21b63e2e1226fdacd86d2662b14d9e750d98655a06504e151be154391670c859. 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: | 21b63e2e1226fdacd86d2662b14d9e750d98655a06504e151be154391670c859 |
|---|---|
| SHA3-384 hash: | 6fb88b001963788e91ba0f1658ab835b0d24ab41458d5c0d1467b6408849cd12330a8d70209e07e12a34433417a8b89f |
| SHA1 hash: | bbd1245acd5d2cb9f891dcd2daa71c8dc3f70bb8 |
| MD5 hash: | 53810391fd450fb6e19504d2ef5d293f |
| humanhash: | twelve-undress-oregon-hydrogen |
| File name: | 53810391fd450fb6e19504d2ef5d293f.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 401'920 bytes |
| First seen: | 2020-11-18 10:27:34 UTC |
| Last seen: | 2020-11-18 13:20:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:5VMmm4aP3rgECIIX0UM2UaXbTlH348xc9CDoG/xYT:7MmmBjcX62Uad348xc9Gpx |
| Threatray | 1'457 similar samples on MalwareBazaar |
| TLSH | 5784128B06DD816DEFAF03F0A017A57122F6D9DF3442EE80DA4861AE6766F35111337A |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file
Launching a process
DNS request
Sending a custom TCP request
Sending a UDP request
Reading critical registry keys
Creating a file in the %temp% directory
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
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
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
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2020-11-18 10:28:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'447 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
netcos.mooo.com:61514
Unpacked files
SH256 hash:
21b63e2e1226fdacd86d2662b14d9e750d98655a06504e151be154391670c859
MD5 hash:
53810391fd450fb6e19504d2ef5d293f
SHA1 hash:
bbd1245acd5d2cb9f891dcd2daa71c8dc3f70bb8
SH256 hash:
28d8822a1ea07883523461481e48d7add1af169d942443a6677eced4a80e1f05
MD5 hash:
742f6395cc783a83c6a69a814f04b7f5
SHA1 hash:
ab2c8ca57f2f96a533f817b07c809babb6c4205d
SH256 hash:
bafcfdc3240f3a1148f5312e37758ba673a8ab2b30ca5d9966549a7f36617413
MD5 hash:
0f63a99cac12e6c46be20e2a6195e02c
SHA1 hash:
f2501439adfd772bd6c17cb1b62ac3f81ea202d5
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: | 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.
Web download
Delivery method
Distributed via web download
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