MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f49bed749facf50561863cd22c4590a9cf9428a7091808af1b716ebd09cfaac3. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments

SHA256 hash: f49bed749facf50561863cd22c4590a9cf9428a7091808af1b716ebd09cfaac3
SHA3-384 hash: ae6871d11fa9c3372d2308ff8721557fafeb19a8a0fb8a19f9059b8a649ad60ad42c817bd3559682723cf6c555154e6f
SHA1 hash: 75c1dce01b6a1c81fdb9a3de4934fa68e628ab73
MD5 hash: 4337f8aa30b63c4e2024daf6f784f558
humanhash: double-happy-illinois-black
File name:4337f8aa30b63c4e2024daf6f784f558.exe
Download: download sample
Signature RemcosRAT
File size:189'952 bytes
First seen:2021-02-12 07:21:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 63b0807d7e1c3cdc3c07b22a7877c51a (1 x RemcosRAT, 1 x Smoke Loader)
ssdeep 3072:764zyUWk/huwL94V630UE+mdX+/oU281AAG9C/jLgXIr7A1Iy2+zJ:+4Ck/MwL94V6E/1e2K3gXIrF+
Threatray 1'538 similar samples on MalwareBazaar
TLSH 7404BE20B6D1C073E567467449D1C3B16A3ABD261B7966CBBFC40B6D5F223E28B36342
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
resener.duckdns.org:3202 (186.169.39.242)

Intelligence


File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4337f8aa30b63c4e2024daf6f784f558.exe
Verdict:
Malicious activity
Analysis date:
2021-02-12 07:24:12 UTC
Tags:
trojan rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Deleting a recently created file
Running batch commands
DNS request
Sending a custom TCP request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
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:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
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 register a low level keyboard hook
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2021-02-08 15:11:07 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
resener.duckdns.org:3202
Unpacked files
SH256 hash:
f0eb10e7765c8893cd7a5365d13cd43f60df1f28dd6665a58d115b621bc4f382
MD5 hash:
39ccf71a69d7921eb976a3521e26dd8d
SHA1 hash:
295455ffc0413b162190f9bab74dc5ec6a9807a1
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
f49bed749facf50561863cd22c4590a9cf9428a7091808af1b716ebd09cfaac3
MD5 hash:
4337f8aa30b63c4e2024daf6f784f558
SHA1 hash:
75c1dce01b6a1c81fdb9a3de4934fa68e628ab73
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: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: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.

Comments