MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5a4c063b95f880539280eb2a8d64ea2ec0401cda7c69e0a1db5b11c9954bb0f4. 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: 19
| SHA256 hash: | 5a4c063b95f880539280eb2a8d64ea2ec0401cda7c69e0a1db5b11c9954bb0f4 |
|---|---|
| SHA3-384 hash: | 409fb4ab8de5080a049fbbaecc47ae07e3c749925756a1945add11827cf68a7ad2e745570711143c1d949f9f3b385a5a |
| SHA1 hash: | 820ac94bb327f01468daef76d04ad48a1958ae82 |
| MD5 hash: | cae08c3f3005454498c12014c6bce98c |
| humanhash: | muppet-zebra-batman-seven |
| File name: | Valves BOQ, Project specifications.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'417'728 bytes |
| First seen: | 2025-12-15 10:18:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1895460fffad9475fda0c84755ecfee1 (456 x Formbook, 155 x AgentTesla, 79 x a310Logger) |
| ssdeep | 24576:S5EmXFtKaL4/oFe5T9yyXYfP1ijXdabU15yZ5stwM6qz6IDfgt:SPVt/LZeJbInQRabU85sb3z |
| Threatray | 3'671 similar samples on MalwareBazaar |
| TLSH | T16C65CF0273D1C062FFAB91334B5AF6115ABC79660123AA2F13981D79FE701B1563E7A3 |
| 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 |
| dhash icon | aae2f3e38383b629 (2'697 x Formbook, 1'203 x CredentialFlusher, 928 x AgentTesla) |
| Reporter |  adrian__luca |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
140
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Malware family:
remcos
ID:
1
File name:
Valves BOQ, Project specifications.exe
Verdict:
Malicious activity
Analysis date:
2025-12-15 12:41:36 UTC
Tags:
remcos rat remote auto-startup stealer autoit mpress
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
autorun autoit emotet remcos
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
DNS request
Connection attempt
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint installer-heuristic keylogger microsoft_visual_cc packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-11T09:52:00Z UTC
Last seen:
2025-12-17T06:02:00Z UTC
Hits:
~1000
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
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-12-11 14:10:06 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
26 of 36 (72.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 3'661 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost collection discovery rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Detected Nirsoft tools
NirSoft MailPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
11243debestreeeemcoxxxx.duckdns.org:21212
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
01f0f04c7c031163098bb9eaad1bdc9efa117bb907d7d3ea03d21377a89abf2f
MD5 hash:
6fd6e98d83a0ccad3e528ebd4943faa7
SHA1 hash:
e3270bfbfc8082cd2cd337311c03f1c9030792cc
Detections:
win_remcos_w0
win_remcos_auto
Remcos
malware_windows_remcos_rat
win_remcos_rat_unpacked
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
5a4c063b95f880539280eb2a8d64ea2ec0401cda7c69e0a1db5b11c9954bb0f4
MD5 hash:
cae08c3f3005454498c12014c6bce98c
SHA1 hash:
820ac94bb327f01468daef76d04ad48a1958ae82
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.
Malspam
Delivery method
Distributed via e-mail attachment
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