MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 808fdfb482f8fb4fe6fd40905a7868f279d797982093ee10e60267a27882f026. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 808fdfb482f8fb4fe6fd40905a7868f279d797982093ee10e60267a27882f026
SHA3-384 hash: c36f31bdb4e95890f4094f82ca0d87c0193568b8f844182a81168ccd641abd274cbbd455317e080074c8c6e96e0d4161
SHA1 hash: 354a31f721dd67db9e027bddd1457a3718241104
MD5 hash: 29c7dc51b83b85c888ea2263cc550753
humanhash: oxygen-kitten-vermont-august
File name:Presentation-1621-6012.exe
Download: download sample
Signature RemcosRAT
File size:304'280 bytes
First seen:2025-10-20 06:57:25 UTC
Last seen:2025-11-06 10:55:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:NruETxV67h1nMrRxPEf5EJsslSbFyiR+R7BI/9nsVneYSb4A2tFVNZhBFZdBJjdW:wumwH9AGFvBJjdqgbpuXA96iibCW
Threatray 4'089 similar samples on MalwareBazaar
TLSH T1D354300EBE66846CCD54D732D45EF033F624AE81F24AE70AE5493FD638333A94A85536
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 :
125
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
_808fdfb482f8fb4fe6fd40905a7868f279d797982093ee10e60267a27882f026.exe
Verdict:
Malicious activity
Analysis date:
2025-10-20 06:58:58 UTC
Tags:
remcos rat auto-startup purecrypter netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
injection autorun obfusc crypt
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature krypt net_reactor obfuscated packed signed unsafe
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-20T01:18:00Z UTC
Last seen:
2025-10-22T05:19:00Z UTC
Hits:
~1000
Detections:
VHO:Trojan-PSW.MSIL.Agensla.gen Trojan-PSW.Win32.Stealer.sb Trojan-Spy.Win32.Xegumumune.sbc Trojan-PSW.MSIL.PureLogs.sb Backdoor.Win32.Remcos.e HEUR:Backdoor.MSIL.Remcos.gen Backdoor.Remcos.HTTP.C&C Trojan-PSW.MSIL.Agent.sb Exploit.Win32.BypassUAC.sb PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Stealer.sb Trojan.MSIL.Dnoper.sb Backdoor.Win32.Remcos.sb Trojan-PSW.MSIL.Agentb.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Agent.sb Backdoor.Win32.Remcos.f
Result
Threat name:
Remcos, PureLog Stealer, ResolverRAT
Detection:
malicious
Classification:
rans.phis.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
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
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)
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: 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)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected ResolverRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798109 Sample: Presentation-1621-6012.exe Startdate: 20/10/2025 Architecture: WINDOWS Score: 100 39 two-2.s3.cubbit.eu 2->39 41 geoplugin.net 2->41 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 13 other signatures 2->69 8 Presentation-1621-6012.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 43 two-2.s3.cubbit.eu 51.159.87.107, 443, 49691, 49698 OnlineSASFR France 8->43 33 C:\Users\user\AppData\Roaming\tem.exe, PE32 8->33 dropped 35 C:\Users\user\...\tem.exe:Zone.Identifier, ASCII 8->35 dropped 37 C:\Users\user\AppData\Roaming\...\tem.vbs, ASCII 8->37 dropped 79 Drops VBS files to the startup folder 8->79 81 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->81 83 Injects a PE file into a foreign processes 8->83 15 Presentation-1621-6012.exe 2 9 8->15         started        85 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->85 20 tem.exe 14 2 13->20         started        file6 signatures7 process8 dnsIp9 45 2.58.56.139, 49692, 49693, 5262 SOFTNET-ASInternetServiceProviderinSloveniaandSouthE Netherlands 15->45 47 geoplugin.net 178.237.33.50, 49694, 80 ATOM86-ASATOM86NL Netherlands 15->47 31 C:\ProgramData\remcos\logs.dat, data 15->31 dropped 49 Detected Remcos RAT 15->49 51 Maps a DLL or memory area into another process 15->51 53 Installs a global keyboard hook 15->53 22 Presentation-1621-6012.exe 1 15->22         started        25 Presentation-1621-6012.exe 1 15->25         started        27 Presentation-1621-6012.exe 14 15->27         started        55 Multi AV Scanner detection for dropped file 20->55 57 Contains functionalty to change the wallpaper 20->57 59 Contains functionality to steal Chrome passwords or cookies 20->59 61 4 other signatures 20->61 29 tem.exe 20->29         started        file10 signatures11 process12 signatures13 71 Tries to steal Instant Messenger accounts or passwords 22->71 73 Tries to steal Mail credentials (via file / registry access) 22->73 75 Tries to harvest and steal browser information (history, passwords, etc) 25->75 77 Detected Remcos RAT 29->77
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.37 Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Suspicious
First seen:
2025-10-20 05:19:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:clients collection discovery rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Reads user/profile data of web browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
2.58.56.139:5262
Unpacked files
SH256 hash:
808fdfb482f8fb4fe6fd40905a7868f279d797982093ee10e60267a27882f026
MD5 hash:
29c7dc51b83b85c888ea2263cc550753
SHA1 hash:
354a31f721dd67db9e027bddd1457a3718241104
Detections:
PureCrypter_Stage1
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:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 808fdfb482f8fb4fe6fd40905a7868f279d797982093ee10e60267a27882f026

(this sample)

  
Delivery method
Distributed via e-mail attachment

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