MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5082cf733716620aa756f1c0cab59246ddab03b8c8ef06cdada69cbaa41593a. 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: 20


Intelligence 20 IOCs YARA 5 File information Comments

SHA256 hash: d5082cf733716620aa756f1c0cab59246ddab03b8c8ef06cdada69cbaa41593a
SHA3-384 hash: d6607aae5ce998eb2821d12ac33e960d33977cf5e7f624dd34571d6dc43ddcf025fd96ba17d1dfb2c57b85518438ed41
SHA1 hash: 7d974b6cc1857df402c713b8d6f926b702a3882e
MD5 hash: 249c3c371f979d96fe26448702a8b980
humanhash: alanine-lamp-ohio-colorado
File name:INVOICE-No96322.pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'415'680 bytes
First seen:2025-02-17 11:40:14 UTC
Last seen:2025-02-26 11:44:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:jaHUId+zim0CY8iM277XXPIDm6bjjmmtyJQYYt2QWfn8qpXrZgrxrW6btnU:jaHUId+g8iM27jfObji9JbUa3BrCJP2
Threatray 4'261 similar samples on MalwareBazaar
TLSH T18465E0E4B787E306CF1B0534553DEDB643641CE8B080B5E72EE63F4775A8B21290AB69
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
File icon (PE):PE icon
dhash icon dc9c98d991285458 (17 x GuLoader, 6 x Formbook, 6 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
461
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
INVOICE-No96322.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-02-17 11:52:26 UTC
Tags:
remcos rat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
underscore keylog micro word
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated obfuscated packed packed packer_detected
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Detected Remcos RAT
Found malware configuration
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
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1617007 Sample: INVOICE-No96322.pdf.exe Startdate: 17/02/2025 Architecture: WINDOWS Score: 100 47 austin99.duckdns.org 2->47 49 geoplugin.net 2->49 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 71 14 other signatures 2->71 8 INVOICE-No96322.pdf.exe 7 2->8         started        12 RfAdbUiru.exe 5 2->12         started        signatures3 69 Uses dynamic DNS services 47->69 process4 file5 37 C:\Users\user\AppData\Roaming\RfAdbUiru.exe, PE32 8->37 dropped 39 C:\Users\...\RfAdbUiru.exe:Zone.Identifier, ASCII 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmp53FB.tmp, XML 8->41 dropped 43 C:\Users\user\...\INVOICE-No96322.pdf.exe.log, ASCII 8->43 dropped 73 Uses schtasks.exe or at.exe to add and modify task schedules 8->73 75 Adds a directory exclusion to Windows Defender 8->75 77 Injects a PE file into a foreign processes 8->77 14 INVOICE-No96322.pdf.exe 2 15 8->14         started        19 powershell.exe 23 8->19         started        21 schtasks.exe 1 8->21         started        79 Antivirus detection for dropped file 12->79 81 Multi AV Scanner detection for dropped file 12->81 83 Contains functionalty to change the wallpaper 12->83 85 4 other signatures 12->85 23 RfAdbUiru.exe 12->23         started        25 schtasks.exe 1 12->25         started        27 RfAdbUiru.exe 12->27         started        signatures6 process7 dnsIp8 51 austin99.duckdns.org 185.213.83.33, 49718, 9373 QUICKPACKETUS Germany 14->51 53 103.186.117.61, 49730, 9373 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 14->53 55 geoplugin.net 178.237.33.50, 49731, 80 ATOM86-ASATOM86NL Netherlands 14->55 45 C:\ProgramData\remcos\logs.dat, data 14->45 dropped 57 Detected Remcos RAT 14->57 59 Installs a global keyboard hook 14->59 61 Loading BitLocker PowerShell Module 19->61 29 WmiPrvSE.exe 19->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-02-17 01:03:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:feb 16 discovery execution rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Remcos
Remcos family
Malware Config
C2 Extraction:
austin99.duckdns.org:9373
103.186.117.61:9373
heksaa3030.redirectme.net:9373
Unpacked files
SH256 hash:
d5082cf733716620aa756f1c0cab59246ddab03b8c8ef06cdada69cbaa41593a
MD5 hash:
249c3c371f979d96fe26448702a8b980
SHA1 hash:
7d974b6cc1857df402c713b8d6f926b702a3882e
SH256 hash:
2974fa53962265a330f44fc7ae21553028c1d7db219a9ba48dc86d0b93c39af7
MD5 hash:
d9fa4d69b1316af734f39cbab3b98d3f
SHA1 hash:
34929d993d9714cff2d7e8fd20fd5609b6d73be0
Detections:
win_remcos_w0 win_remcos_auto Remcos malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
SH256 hash:
69fc901922e4c607635fe54ab581889be2bc26c514c93b2175b9c9b23858ce50
MD5 hash:
a71b81ac622cf8ae90e622f32ccce37a
SHA1 hash:
f1ffefcf9f0abe92ed9616e248600eb834961d7f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

RemcosRAT

Executable exe d5082cf733716620aa756f1c0cab59246ddab03b8c8ef06cdada69cbaa41593a

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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