MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c865fc0e856370e94724131a1ae04b852d6e4b98d7060a1e702b7ff933ac947b. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: c865fc0e856370e94724131a1ae04b852d6e4b98d7060a1e702b7ff933ac947b
SHA3-384 hash: 9d9ea8e79fe9d2aefd51d577096fdc31cdfcddebcd0ecd85212f86a252b6fd76fc7bc2ffaee58437fe131cb93e96d7b2
SHA1 hash: e605010ef97c40328667f6d0b784114b53e61d6d
MD5 hash: 03accbb326157d79bcea2abb4d21c23e
humanhash: cardinal-hot-golf-pasta
File name:Quotation Request #100028153.exe
Download: download sample
Signature RemcosRAT
File size:1'581'213 bytes
First seen:2024-11-08 13:02:38 UTC
Last seen:2024-11-08 14:22:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:yt+mwszPav4YtkuhpINhzoPPhvmM/aIl36jr7wv:yfw6Pcv/3Ez2PJh/aIl36jrg
Threatray 14 similar samples on MalwareBazaar
TLSH T1B87522443A8B9EEBFC494674E1C636F010FC0F1BB8F2961FDF698DA152424BD855A0B9
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
373
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation Request #100028153.exe
Verdict:
No threats detected
Analysis date:
2024-11-08 13:04:47 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
powershell remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for the window
Launching a process
Searching for synchronization primitives
Creating a process with a hidden window
Connection attempt to an infection source
Launching the default Windows debugger (dwwin.exe)
DNS request
Connection attempt
Sending an HTTP GET request
Blocking the User Account Control
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Sending a TCP request to an infection source
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed packer_detected remcos
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Delayed program exit found
Detected Remcos RAT
Disables UAC (registry)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win64.Backdoor.Remcos
Status:
Malicious
First seen:
2024-11-08 07:39:32 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
2
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
c865fc0e856370e94724131a1ae04b852d6e4b98d7060a1e702b7ff933ac947b
MD5 hash:
03accbb326157d79bcea2abb4d21c23e
SHA1 hash:
e605010ef97c40328667f6d0b784114b53e61d6d
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:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Malspam

RemcosRAT

Executable exe c865fc0e856370e94724131a1ae04b852d6e4b98d7060a1e702b7ff933ac947b

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments