MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 010a44b6660fcd4d8c0998014751db3570c10720696b9599bdfada471ce9e7b7. 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: 21


Intelligence 21 IOCs YARA 22 File information Comments

SHA256 hash: 010a44b6660fcd4d8c0998014751db3570c10720696b9599bdfada471ce9e7b7
SHA3-384 hash: aacffd244a344ad2631ebff74745a8c9d64e661ff9d32d8b9c8a0930fd44da8d00dbca466ed4c9cbc26139ccfa8138d9
SHA1 hash: 1d7fd26d4dc8f94263ba8bde558aa6cca46d6dde
MD5 hash: fc17f763338212b3e2b159b298802460
humanhash: bacon-two-neptune-magazine
File name:remcos.exe
Download: download sample
Signature RemcosRAT
File size:537'600 bytes
First seen:2025-10-10 13:41:58 UTC
Last seen:2025-10-22 14:47:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 78a3bdf3c5b9bd3972e77fa90dce8f2d (22 x RemcosRAT)
ssdeep 12288:vT1tInGFOPvn+ySVx6puG8pDxR+sPZQhd:vT1tIncO3s6puG8ZxRtZ
TLSH T1B8B4AE01B6D2C1B2D57654300D26E775DEBCBD202836997BA3DA0D57FD70180AB3ABB2
TrID 52.9% (.EXE) Win32 Executable (generic) (4504/4/1)
23.5% (.EXE) Generic Win/DOS Executable (2002/3)
23.5% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter ShadowOpCode
Tags:45-141-215-164 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
105
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
_010a44b6660fcd4d8c0998014751db3570c10720696b9599bdfada471ce9e7b7.exe
Verdict:
Malicious activity
Analysis date:
2025-10-10 14:38:11 UTC
Tags:
remcos rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
injection dropper packed lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
DNS request
Creating a file in the %temp% directory
Launching a process
Launching a service
Reading critical registry keys
Sending an HTTP GET request
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd crypto evasive exploit explorer fingerprint keylogger lolbin microsoft_visual_cc obfuscated overlay packed rat remcos rundll32 threat windows
Result
Verdict:
MALICIOUS
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-10T11:45:00Z UTC
Last seen:
2025-10-12T02:04:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Win32.Remcos.gen Trojan-Dropper.Win32.Injector PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Greedy.sb
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-10-10 13:46:39 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos admintool_mailpassview nirsoft
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos collection discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0
YARA:
malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 Remcos
Unpacked files
SH256 hash:
010a44b6660fcd4d8c0998014751db3570c10720696b9599bdfada471ce9e7b7
MD5 hash:
fc17f763338212b3e2b159b298802460
SHA1 hash:
1d7fd26d4dc8f94263ba8bde558aa6cca46d6dde
Detections:
win_remcos_w0 win_remcos_auto Remcos
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: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_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
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:TeslaCryptPackedMalware
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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.

Comments