MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fdc90f30bc517219e0f8bb99042e3f2c38fcb2bf61cc7ddf333e05bdb8473cf7. 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: 18
| SHA256 hash: | fdc90f30bc517219e0f8bb99042e3f2c38fcb2bf61cc7ddf333e05bdb8473cf7 |
|---|---|
| SHA3-384 hash: | f8c376bebf5f755392e36dc709b906ff0c81c829eac4302fa654ab1badca7b6479ac7dbfd2b9603ecf8b2c25f89b200e |
| SHA1 hash: | 0bae2e9373bf5a27e032afbf480d23a4d706ff9d |
| MD5 hash: | 5e420372c7474339b6650cf35db2b34c |
| humanhash: | mississippi-alaska-single-maine |
| File name: | fdc90f30bc517219e0f8bb99042e3f2c38fcb2bf61cc7ddf333e05bdb8473cf7 |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'392'640 bytes |
| First seen: | 2025-10-09 14:16:04 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1895460fffad9475fda0c84755ecfee1 (338 x Formbook, 86 x AgentTesla, 56 x a310Logger) |
| ssdeep | 24576:K5EmXFtKaL4/oFe5T9yyXYfP1ijXdafYNrwRO5Mz6nNynFgfnkdGe:KPVt/LZeJbInQRafYNkRO5a6n8n |
| Threatray | 1'542 similar samples on MalwareBazaar |
| TLSH | T1F855CF0273D18062FF9B92734F9AF6115BBC7A260123A61F13981D79BE701B1563E7A3 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
65
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fdc90f30bc517219e0f8bb99042e3f2c38fcb2bf61cc7ddf333e05bdb8473cf7.exe
Verdict:
Malicious activity
Analysis date:
2025-10-08 14:18:26 UTC
Tags:
auto-startup
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
nymeria autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script evasive findstr fingerprint fingerprint keylogger lolbin microsoft_visual_cc netsh obfuscated packed packed packer_detected rasautou threat
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-18T22:36:00Z UTC
Last seen:
2025-10-09T02:49:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb HEUR:Trojan.Script.AUO.gen
Malware family:
REMCOS
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-09-21 14:18:52 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 36 (80.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'532 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos discovery rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Remcos
Remcos family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fdc90f30bc517219e0f8bb99042e3f2c38fcb2bf61cc7ddf333e05bdb8473cf7
MD5 hash:
5e420372c7474339b6650cf35db2b34c
SHA1 hash:
0bae2e9373bf5a27e032afbf480d23a4d706ff9d
SH256 hash:
e58a9a89e7be5ed83f97c71d212fb1c359c32e9042e3149a1c56775b583676db
MD5 hash:
11691e58dd456ca588d2c05ffeafa683
SHA1 hash:
f04cca689dcb3622aee820c558fcf04ba4face0a
Detections:
win_remcos_w0
win_remcos_auto
Remcos
malware_windows_remcos_rat
win_remcos_rat_unpacked
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Malware family:
Remcos
Verdict:
Malicious
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: | AutoIT_Compiled |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious. |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| Reference: | https://cyfare.net/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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