MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64c2eb337d6f52f74f77b541d8a915a90ae5bd2cbda6a9497d7a2f026a64f152. 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: 22


Intelligence 22 IOCs YARA 4 File information Comments

SHA256 hash: 64c2eb337d6f52f74f77b541d8a915a90ae5bd2cbda6a9497d7a2f026a64f152
SHA3-384 hash: 4737b65d6bb5ca0fae4afea542cd635fe9b82c8f83352e9b3668e2ecbdfb6a57b82cc0fd9377737fc0a25b10443204df
SHA1 hash: a7c2786849a8c59cc522005504a751f38077492f
MD5 hash: b0af138b9b250dc9d9b009d565f2c59f
humanhash: sixteen-alabama-maryland-may
File name:Solicitud de cotización 20251023 WDDAQ620THW.pdf.exe
Download: download sample
Signature RemcosRAT
File size:3'231'232 bytes
First seen:2025-10-24 06:51:42 UTC
Last seen:2025-11-06 11:13:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:V0M952nAfIptn+foQgN+Ht/pqMJsDmfC/gyvCSOW9SdVpU4o58RYE6wf:rCnRveYepqMKDmfC4KOSSn2A6
Threatray 4'032 similar samples on MalwareBazaar
TLSH T18DE5DF3DDE18112ED2B7D23DD1864906E8D84F6F223CAC4651C73E4B685A542B8AB3DF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
127
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Solicitud de cotización 20251023 WDDAQ620THW.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-10-24 06:54:46 UTC
Tags:
netreactor auto-reg rat remcos remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
underscore micro remo msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process with a hidden window
Running batch commands
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-23T09:39:00Z UTC
Last seen:
2025-10-26T04:13:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Inject.c Trojan.MSIL.Inject.b PDM:Trojan.Win32.Generic Exploit.Win32.BypassUAC.sb Backdoor.Win32.Remcos.sb Backdoor.Win32.Remcos.f HEUR:Trojan.MSIL.Quasar.gen
Result
Threat name:
DarkTortilla, Remcos
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801085 Sample: Solicitud de cotizaci#U00f3... Startdate: 24/10/2025 Architecture: WINDOWS Score: 100 54 cbzr-98pq1.ydns.eu 2->54 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 23 other signatures 2->66 11 Solicitud de cotizaci#U00f3n 20251023 WDDAQ620THW.pdf.exe 3 2->11         started        15 MS Host.exe 2->15         started        17 MS Host.exe 2 2->17         started        19 MS Host.exe 2->19         started        signatures3 process4 file5 52 Solicitud de cotiz...Q620THW.pdf.exe.log, ASCII 11->52 dropped 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->74 76 Injects a PE file into a foreign processes 11->76 21 Solicitud de cotizaci#U00f3n 20251023 WDDAQ620THW.pdf.exe 5 5 11->21         started        24 MS Host.exe 15->24         started        26 MS Host.exe 15->26         started        28 MS Host.exe 17->28         started        30 MS Host.exe 19->30         started        signatures6 process7 file8 46 C:\Users\user\AppData\Roaming\...\MS Host.exe, PE32 21->46 dropped 48 C:\Users\user\...\MS Host.exe:Zone.Identifier, ASCII 21->48 dropped 50 C:\Users\user\AppData\Local\...\install.vbs, data 21->50 dropped 32 wscript.exe 1 21->32         started        process9 signatures10 58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 32->58 35 cmd.exe 1 32->35         started        process11 process12 37 MS Host.exe 3 35->37         started        40 conhost.exe 35->40         started        signatures13 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 37->68 70 Injects a PE file into a foreign processes 37->70 42 MS Host.exe 2 3 37->42         started        process14 dnsIp15 56 cbzr-98pq1.ydns.eu 178.16.52.243, 2404, 49702 DUSNET-ASDE Germany 42->56 72 Installs a global keyboard hook 42->72 signatures16
Gathering data
Threat name:
Win32.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-10-23 12:46:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:darktortilla family:remcos botnet:c b r crypter discovery loader persistence rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
.NET Reactor proctector
Checks computer location settings
Executes dropped EXE
Darktortilla
Darktortilla family
Detects Darktortilla crypter.
Remcos
Remcos family
Malware Config
C2 Extraction:
cbzr-98pq1.ydns.eu:2404
wqo9.firewall-gateway.de:4045
code1.ydns.eu:9302
Unpacked files
SH256 hash:
64c2eb337d6f52f74f77b541d8a915a90ae5bd2cbda6a9497d7a2f026a64f152
MD5 hash:
b0af138b9b250dc9d9b009d565f2c59f
SHA1 hash:
a7c2786849a8c59cc522005504a751f38077492f
SH256 hash:
222b04688d1e2030192b188f099ecfd52bd7af6b986ac93e141a80f2766da879
MD5 hash:
c71e17acab65a4dd054c78c0481c7674
SHA1 hash:
63b0d563f15ab5b92c337ef37d741004623d0f62
SH256 hash:
e85a6b8eb1d98b78941197990aa61a9768e3c66c5c932fac71f3e9933a4dbe2a
MD5 hash:
e681645e011800fda1f7e13d33429160
SHA1 hash:
7549537f9215deb56b68e33fea2a2f142dee2dc3
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
Parent samples :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 hash:
415e0c65ed2c39e1d831cf8b07c07bde44bff073b72b05a8fe4a1141850e6947
MD5 hash:
48053311ab5e0d44d4f056dcc0799695
SHA1 hash:
7a27e76625f53e4a422c589a40ee5003bc36cb21
Detections:
Remcos win_remcos_auto win_remcos_w0 malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
SH256 hash:
2673d470353413edfb567ff7479395dc52824db6469520ebe8d91dbca2bccac2
MD5 hash:
e5be1fdba36d5032726313afe4c7dd63
SHA1 hash:
c65ebe77906cec3bcb5e805a327f1aa823be57ca
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:NETexecutableMicrosoft
Author:malware-lu
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 64c2eb337d6f52f74f77b541d8a915a90ae5bd2cbda6a9497d7a2f026a64f152

(this sample)

  
Delivery method
Distributed via e-mail attachment

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