MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 202577211d7d1710869244007ccb21c8fdf3140c3445481ca6e839da82fef962. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments

SHA256 hash: 202577211d7d1710869244007ccb21c8fdf3140c3445481ca6e839da82fef962
SHA3-384 hash: 5d9b6ca5beca46e1e7fe0b9ea471991d34799a32bb4ebfa1f606d9318f7a47aa8dc2c6f70d3652b1b253b7bf723b2f51
SHA1 hash: 28d3d9c5e486abf89ba305ca371271ceef9af55b
MD5 hash: 9aa44989b63c667ede9f25e26497c20f
humanhash: don-autumn-diet-florida
File name:file
Download: download sample
Signature RemcosRAT
File size:489'984 bytes
First seen:2023-06-06 13:48:33 UTC
Last seen:2023-07-11 15:13:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3f3d4ba55ce3e8f736704310c56bf5aa (12 x RemcosRAT)
ssdeep 6144:h1EwL0xQk9VdeLuVnQs8QLgt8cBvnkCX/3Rde+A+DdsAOZZRXXrcN12OhX:h1EZT90uNQzYgScBvnn/XpTs/ZRdOhX
Threatray 1'992 similar samples on MalwareBazaar
TLSH T1E0A4BF01B9C1C072D57261300D2AF775DABDBD212926497BB3DA1D9BFE30190B63A6B3
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter jstrosch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
303
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-06 13:51:10 UTC
Tags:
keylogger remcos rat

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe evasive exploit explorer.exe fingerprint greyware keylogger lolbin rat remcos shell32.dll
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:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates autostart registry keys with suspicious names
Delayed program exit found
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-06-05 11:46:50 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotefhostf persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
94.142.138.111:5701
Unpacked files
SH256 hash:
202577211d7d1710869244007ccb21c8fdf3140c3445481ca6e839da82fef962
MD5 hash:
9aa44989b63c667ede9f25e26497c20f
SHA1 hash:
28d3d9c5e486abf89ba305ca371271ceef9af55b
Detections:
Remcos 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:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 202577211d7d1710869244007ccb21c8fdf3140c3445481ca6e839da82fef962

(this sample)

  
Delivery method
Distributed via web download

Comments