MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 507563bcdeb37a14d6603a445a087dc812d1a4decd926ca990771b8dc4d7e842. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 507563bcdeb37a14d6603a445a087dc812d1a4decd926ca990771b8dc4d7e842
SHA3-384 hash: 2997a97bad5496fce0c9b24c56a56aa9900447a1de399b6fd1d9590998f173cd64a05b69c5928964e652aece9369a955
SHA1 hash: c7759ad3592309085be320584a71ecc611b70316
MD5 hash: a6a6388779abaed80e3e79c8d4fd02d9
humanhash: wolfram-dakota-cat-six
File name:Factura Serfinanza_049777756717_0230731_17278213973123_222217_881713232743783526_91325679891992_pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'930'240 bytes
First seen:2021-05-11 06:32:24 UTC
Last seen:2021-05-11 07:19:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:kDBjdB0/vP5bN2Hk8QthZ2mqIAMhIsS8itVr2onZp:
Threatray 16 similar samples on MalwareBazaar
TLSH 17957C85227FB95AB3B32F25129C6792136FBDB14C3D724D9284113A6692CE4C970FF8
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Sending a UDP request
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.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411377 Sample: 1992_pdf.exe Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 19 Found malware configuration 2->19 21 Malicious sample detected (through community Yara rule) 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 6 other signatures 2->25 7 1992_pdf.exe 4 2->7         started        process3 file4 17 C:\Users\user\AppData\...\1992_pdf.exe.log, ASCII 7->17 dropped 27 Hides threads from debuggers 7->27 11 cmd.exe 1 7->11         started        signatures5 process6 process7 13 conhost.exe 11->13         started        15 timeout.exe 1 11->15         started       
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2021-05-11 06:33:22 UTC
AV detection:
8 of 47 (17.02%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments