MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a
SHA3-384 hash: 40d79809c733e8bcff11315ab22d278733041152cafe5452ee2e4d69717946622280d83b578c6869850ea426fc6328e1
SHA1 hash: edbac27694d36e11650204ec3672c311dbbf7863
MD5 hash: ceea9fb30ffc65a3b8c01523abd0c850
humanhash: muppet-oklahoma-washington-bravo
File name:b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'396'736 bytes
First seen:2025-12-08 14:55:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:YM/BsZbxLmonhkVklCnRveYepqMKDmfC4KOSSn27694/ZF:XCbgonHgRveYkqM3fC41p2W0
Threatray 66 similar samples on MalwareBazaar
TLSH T1C555DF0AE7C91A54F4BF4770A6719E249BF0B66BE62CEA9F3F5401ED89117818803377
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
meterpreter
Create hunting rule
ID:
1
File name:
virusvippro.exe
Verdict:
Malicious activity
Analysis date:
2025-11-14 14:13:41 UTC
Tags:
auto metasploit framework python stealer phishing github payload meterpreter backdoor possible-phishing clickfix meshagent rmm-tool miner fileshare xenorat rat agenttesla loader generic tinynuke remcos rhadamanthys asyncrat quasar formbook evasion stealc amadey botnet purelogs redline masslogger coinminer snake keylogger donutloader njrat bladabindi lumma nanocore httpdebugger tool vipkeylogger aurotun anti-evasion banker grandoreiro fleetdeck pyinstaller venom darktortilla crypter blindeagle apt salatstealer syncro hijackloader ghostsocks proxyware blankgrabber purecrypter powershellempire lokibot websocket remote cobaltstrike koiloader xmrig vidar arch-exec susp-powershell wannacry ransomware networm amus
Link:
https://app.any.run/tasks/c01d1064-3ce5-42e7-ae84-1a8eb2cc98cf

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/43241/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936e75a881313558a2b88ea
Tags:
virus micro msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 crypt lolbin obfuscated obfuscated tracker vbnet
Link:
https://www.filescan.io/uploads/6936e721bba50eaf0427186e/reports/66e10a26-5a46-4f35-9cf8-d800f88fa45c/overview
Verdict:
Malicious
Labled as:
Ser.Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-13T08:24:00Z UTC
Last seen:
2025-11-13T23:59:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bf5ed26b-3f29-41da-b64a-32bdd2a6efdb
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.84 Win 32 Exe x86
Link:
https://app.malva.re/file/ceea9fb30ffc65a3b8c01523abd0c850
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2025-11-13 16:53:27 UTC
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wm3txfcdwldit5kq5gfocgzxvckc6byuqxwy7pvjscoozl77pf5a._file
Verdict:
malicious
Label(s):
purecrypter
Create hunting rule
Similar samples:
58c5dfa4020903964d305f0bd6caee651f3e29bc311f5191378641a66eaba4de
RemcosRAT
7eb16b0b45dab6d07f6b00b20923751acc5313db25c978ee5f5c42317479af3b
RemcosRAT
b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a
RemcosRAT
cb29310b5e68fa5f5c4aab781924807aea4f10e1d40164892cbf8651abf7bfd7
RemcosRAT
dbb01cca36d9593010e54589aca147accf107a297d9863773b58f45ca8e1ec20
RemcosRAT
error
RemcosRAT
+ 56 additional samples on MalwareBazaar
Result
Malware family:
darktortilla
Create hunting rule
Score:
  10/10
Tags:
family:darktortilla crypter discovery loader
Link:
https://tria.ge/reports/251208-sa4g8sxjbx/
Behaviour
System Location Discovery: System Language Discovery
.NET Reactor proctector
Darktortilla
Darktortilla family
Detects Darktortilla crypter.
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e2c4c36c-e62e-4e62-9d63-919b3385d528
Unpacked files
SH256 hash:
b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a
MD5 hash:
ceea9fb30ffc65a3b8c01523abd0c850
SHA1 hash:
edbac27694d36e11650204ec3672c311dbbf7863
Link:
https://www.unpac.me/results/f32ab295-6b7b-4ae0-a84d-86c58908f915/
SH256 hash:
5e5e9bec537b4fab9eae02d55b33d1081452fae45b71834bf8b25727626286d0
MD5 hash:
4dc6fa0129ba1d37901119568d9818f7
SHA1 hash:
eadbcd089d6b884130cb404875ade25d4786b4bf
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/f32ab295-6b7b-4ae0-a84d-86c58908f915/
Parent samples :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 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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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)

File information

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

Web download

RemcosRAT

Executable exe b3373b9443b2c689f550e98ae11b37a8942f071485ed8fbea9909cecafff797a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3679158/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/43241/

Comments