MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d27254c6dff8ec2d0262ec8a302d740770c02c2cb012d82cfb1c15dfb2572805. 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: 17
| SHA256 hash: | d27254c6dff8ec2d0262ec8a302d740770c02c2cb012d82cfb1c15dfb2572805 |
|---|---|
| SHA3-384 hash: | e249a8c567142119ff7d1569c04779a3219d7b00bc3a34ab50e3b0429132a3fd1bada72ecd416e7aa0bb22b892f226f9 |
| SHA1 hash: | 1fc738b82e217b30a5779bb10fb56ff24e1fc232 |
| MD5 hash: | 81c614c6ea2290155180dedf56bf080f |
| humanhash: | steak-item-undress-uncle |
| File name: | RFQ_order AIK202-07-RBO95-pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 348'160 bytes |
| First seen: | 2025-08-06 17:19:26 UTC |
| Last seen: | 2025-08-07 08:48:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:KaheRwNuzCx520HW8CproBVmlkEgWVFCCJ6QW78sV0Qqwt74:fMe520PCaBVmlBJtg08 |
| Threatray | 2'510 similar samples on MalwareBazaar |
| TLSH | T19E746B15AB8C96EEC2DD0375D4620408DBF0D142D3A7FB4A0AA7A5B8AD8B753E5070F7 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  threatcat_ch |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
77
Origin country :
CHVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
RFQ_order AIK202-07-RBO95-pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-08-06 17:22:16 UTC
Tags:
purecrypter netreactor rat remcos auto-startup m0yv remote stealer evasion ultravnc rmm-tool exfiltration smtp agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
96.5%
Tags:
underscore autorun
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
Query of malicious DNS domain
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Remcos, PureLog Stealer, ResolverRAT
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Creates files inside the volume driver (system volume information)
Detected Remcos RAT
Drops executable to a common third party application directory
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Infects executable files (exe, dll, sys, html)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.37 Win 32 Exe x86
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
ByteCode-MSIL.Trojan.SnakeLogger
Status:
Malicious
First seen:
2025-08-06 14:28:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
expiro
Similar samples:
+ 2'500 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Verdict:
Malicious
Tags:
Expiro
YARA:
n/a
Unpacked files
SH256 hash:
d27254c6dff8ec2d0262ec8a302d740770c02c2cb012d82cfb1c15dfb2572805
MD5 hash:
81c614c6ea2290155180dedf56bf080f
SHA1 hash:
1fc738b82e217b30a5779bb10fb56ff24e1fc232
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
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 |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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