MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a3cf04315a8e9d5453ebed40c2b3d45979e418deca6f6d348fc8c98c5d47981. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a3cf04315a8e9d5453ebed40c2b3d45979e418deca6f6d348fc8c98c5d47981
SHA3-384 hash: 7b20be764e6f091d8893f60208c1235aaca30ba0e290d9fdf47102be0c893c7092f7ac2c8365a434d318c189acdb4e81
SHA1 hash: 2d655108107cd6dc7f6830e3173d11d88509cd05
MD5 hash: ce6b2f4a39b1b554d6005c1c22d22528
humanhash: mars-foxtrot-oxygen-floor
File name:1750832585c96979a40ae562814a5f368d74671e712636394cc38ab6987905f8b9179566c9464.dat-decoded
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:565'760 bytes
First seen:2025-06-25 07:12:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:VAD+Gg2ycsxbOwHLuVFFIctO8Ze7vqN5zTq5ytjmqFsg85siE1eyQoT8XiozfJ:M7ycGX6VDrZ2qP9JFsg85siqeyh8XFzh
TLSH T1C4C4232846DD8FF8F676483FBC4AB0EA4B49E1804B6707A1B24BD5C449A373D91B4E46
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter abuse_ch
Tags:dat-decoded exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
418
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1750832585c96979a40ae562814a5f368d74671e712636394cc38ab6987905f8b9179566c9464.dat-decoded
Verdict:
Malicious activity
Analysis date:
2025-06-25 08:20:31 UTC
Tags:
stealer meduza purehvnc netreactor
Link:
https://app.any.run/tasks/97d6002c-c4c8-478c-98ed-362da565cb8e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/11032/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3351.3571.31278.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685ba199b06783b9ebd738ab
Tags:
backdoor nanobot virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Creating a file
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 entropy net_reactor obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/685ba1a43faf8fcd7d40ee48/reports/8b29ae74-bbff-41c8-b378-3b729d06260a/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/8a3cf04315a8e9d5453ebed40c2b3d45979e418deca6f6d348fc8c98c5d47981
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a68d9639-6f09-4b8b-aa8a-f445a934ed9a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1722466
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a3cf04315a8e9d5453ebed40c2b3d45979e418deca6f6d348fc8c98c5d47981
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/ce6b2f4a39b1b554d6005c1c22d22528
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a3cf04315a8e9d5453ebed40c2b3d45979e418deca6f6d348fc8c98c5d47981/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-23 19:29:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ri6paqyvvdu5krj6x3kaykz5iwlz4qmn5stpnu2i7sgjrroupgaq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery spyware stealer
Link:
https://tria.ge/reports/250625-h2blessry4/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Drops file in Windows directory
Accesses Microsoft Outlook profiles
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0b555a95-c255-422a-bd00-559680e073fe
Unpacked files
SH256 hash:
8a3cf04315a8e9d5453ebed40c2b3d45979e418deca6f6d348fc8c98c5d47981
MD5 hash:
ce6b2f4a39b1b554d6005c1c22d22528
SHA1 hash:
2d655108107cd6dc7f6830e3173d11d88509cd05
Link:
https://www.unpac.me/results/090acd77-4143-44e9-af95-83b8e04ac162/
SH256 hash:
57cd08e3bbe2d25529bd14bf3b572697dc2cbf509529bdc4a54c1858e300647c
MD5 hash:
e2712578e4aa3268942854c4d16f98f3
SHA1 hash:
45e6dba97d5a1759ebee61ea923a3340d03d6eee
Link:
https://www.unpac.me/results/090acd77-4143-44e9-af95-83b8e04ac162/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a3cf04315a8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8a3cf04315a8e9d5453ebed40c2b3d45979e418deca6f6d348fc8c98c5d47981

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/11032/

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 (HIGH_ENTROPY_VA)high

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