MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1f770afd971f3372ca89d3eb71f539e415c89323059d3ed475b11d29facc0122. 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: | 1f770afd971f3372ca89d3eb71f539e415c89323059d3ed475b11d29facc0122 |
|---|---|
| SHA3-384 hash: | c18dcbd1e772f07b9f2cbf5be3f91a829d03bfb67f9ffa85ac82dae70e1a2bac93748c6c2c8f30818e8308e1bad11ecc |
| SHA1 hash: | ba1732ed089f8f919fb14fc8c89596abf4eff19c |
| MD5 hash: | 1656f13840ab91602a2d63213fa35cc0 |
| humanhash: | green-carpet-carbon-uncle |
| File name: | PURCHASE ORDER-2025-110009_xls.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'342'976 bytes |
| First seen: | 2025-11-10 11:56:36 UTC |
| Last seen: | 2025-11-10 13:55:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 91d07a5e22681e70764519ae943a5883 (93 x Formbook, 14 x RemcosRAT, 11 x AgentTesla) |
| ssdeep | 24576:5tb20pkaCqT5TBWgNQ7afveNi1q6+WQiCs5QCCS6r6A:KVg5tQ7afGk1Ncfs5HCS45 |
| Threatray | 221 similar samples on MalwareBazaar |
| TLSH | T12A55D01263DE8361C7B25273BA167701BEBF78250AB5F56B2FD4093DE820162521EB73 |
| 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 |  cocaman |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
131
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER-2025-110009_xls.z
Verdict:
No threats detected
Analysis date:
2025-11-10 11:58:46 UTC
Tags:
arch-exec
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
underscore autoit emotet
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Creating a file
Sending a custom TCP request
Creating a process with a hidden window
Changing a file
Launching a service
Connection attempt
Searching for synchronization primitives
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-09T22:34:00Z UTC
Last seen:
2025-11-12T07:21:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Auzenpak.sb Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Remcos.e Trojan-Spy.Win32.Xegumumune.sbc Trojan.Win32.Inject.sb HEUR:Trojan.Script.AUO.gen Backdoor.Win32.Remcos.sb Trojan-Dropper.Win32.Injector.qcik Trojan.Win32.Zenpak.sb Trojan-Dropper.Win32.Injector Trojan.Win32.Strab.sb not-a-virus:HEUR:PSWTool.Win32.PassView.c not-a-virus:HEUR:PSWTool.Win32.PassView.b not-a-virus:HEUR:PSWTool.Win32.PassView.a
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops PE files with benign system names
Found evasive API chain checking for user administrative privileges
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
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
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2025-11-10 01:35:52 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
18 of 22 (81.82%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
admintool_mailpassview
nirsoft
remcos
autoit
Similar samples:
+ 211 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery execution rat stealer
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
192.227.128.173:3028
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1f770afd971f3372ca89d3eb71f539e415c89323059d3ed475b11d29facc0122
MD5 hash:
1656f13840ab91602a2d63213fa35cc0
SHA1 hash:
ba1732ed089f8f919fb14fc8c89596abf4eff19c
SH256 hash:
80d5579ee5aaad3472ac6e8381852d04f30ed2bec9390ea1a646cf75a728380c
MD5 hash:
7bb7f252f0ea0c16486cc0bfd8f631eb
SHA1 hash:
c26af7b6f0f6c84a251b89d12e75c9e613e581bb
Detections:
win_remcos_w0
win_remcos_auto
Remcos
malware_windows_remcos_rat
win_remcos_rat_unpacked
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Parent samples :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 family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| 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: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Remcos_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Remcos Payload |
| 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) |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| Reference: | https://cyfare.net/ |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | YahLover |
|---|---|
| Author: | Kevin Falcoz |
| Description: | YahLover |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Other
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