MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9c3286b15a454a72205e4fb6af2e73d26d7cf0754f16ba1ca5ecbac1452952e. 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: c9c3286b15a454a72205e4fb6af2e73d26d7cf0754f16ba1ca5ecbac1452952e
SHA3-384 hash: da16b083e78e4a2da0002bcc3f04d6b5945cd5f4c2f5767ae419148b9d1dc417c50e37056179ca857c05e5db7f2b01d6
SHA1 hash: d3b446eb9d4df70f76328c737c259c941f94358d
MD5 hash: 7a387a2e8815969471b013bbaa2648d4
humanhash: asparagus-lion-green-autumn
File name:file
Download: download sample
Signature RemcosRAT
File size:7'168 bytes
First seen:2023-01-20 13:54:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 192:0lwkiibsjYnnsAn068L+QH4DM+Mw6M2+xz7f:mznnPn0BL+QYo+z6Exz7
Threatray 2'681 similar samples on MalwareBazaar
TLSH T165E1EB2F76F84220D05F4A329EA74B70B2EB655386F7A15B145FB1A60D343800A4FEF6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter jstrosch
Tags:.NET exe MSIL RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-20 14:05:39 UTC
Tags:
loader 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
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Launching a process
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
80%
Tags:
eventvwr.exe greyware keylogger packed shell32.dll
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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.Downloader.Fsysna
Status:
Malicious
First seen:
2023-01-20 13:55:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:papper$ rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Downloads MZ/PE file
Remcos
Malware Config
C2 Extraction:
31.192.232.48:3455
Unpacked files
SH256 hash:
c9c3286b15a454a72205e4fb6af2e73d26d7cf0754f16ba1ca5ecbac1452952e
MD5 hash:
7a387a2e8815969471b013bbaa2648d4
SHA1 hash:
d3b446eb9d4df70f76328c737c259c941f94358d
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_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 c9c3286b15a454a72205e4fb6af2e73d26d7cf0754f16ba1ca5ecbac1452952e

(this sample)

  
Delivery method
Distributed via web download

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