MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cedbfa1b4a94d32ff88f7a53e3b85d36ca5f7fa266d0ae9c236cc0f633455402. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cedbfa1b4a94d32ff88f7a53e3b85d36ca5f7fa266d0ae9c236cc0f633455402
SHA3-384 hash: acae3a2d821a7b774b70e8c1e0cf25d0ef549d4c35acfb042ef4c6cfd76ef6a045b2cd1668079822b062d1e509abfa26
SHA1 hash: e8f95f439aee8288ebc7832e529a81adae09870f
MD5 hash: 124274d1caf41bf9042488f4a871c7dd
humanhash: summer-jupiter-social-happy
File name:Pre DA Lodgement and Contract.docx
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:603'504 bytes
First seen:2025-03-18 12:57:21 UTC
Last seen:Never
File type:Word file docx
MIME type:application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep 12288:9p3xKOy6UdSwl232T4azxhOGPokZgUQne7ODc/er0LjtZJtzAeSX2PdMb:9yCwYKSGPotUQe7r/eMjxeeSXwdC
TLSH T1ADD4233742CA7CBEC84D92FBA923B434B8324CE4A1757861A1631BEC1E5561C162E5FF
TrID 52.2% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4)
38.8% (.ZIP) Open Packaging Conventions container (17500/1/4)
8.8% (.ZIP) ZIP compressed archive (4000/1)
Magika docx
Reporter MadJack
Tags:docx RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
805
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pre DA Lodgement and Contract.docx
Verdict:
No threats detected
Analysis date:
2025-03-18 13:54:41 UTC
Tags:
arch-doc
Link:
https://app.any.run/tasks/3298df1e-c5e8-4044-af31-6753386308de

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d97a05194f23322a70c1f7
Tags:
remcos shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Changing the Zone.Identifier stream
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Creating a window
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Running batch commands
DNS request
Creating a file in the %AppData% subdirectories
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a file
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Possible injection to a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Running batch commands by exploiting the app vulnerability
Creating a process from a recently created file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/cedbfa1b4a94d32ff88f7a53e3b85d36ca5f7fa266d0ae9c236cc0f633455402/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
Exploit.Rtf.Heuristic
Link:
https://www.hybrid-analysis.com/sample/cedbfa1b4a94d32ff88f7a53e3b85d36ca5f7fa266d0ae9c236cc0f633455402
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=3bbe008d-2d78-4de1-bf21-5164457396ac
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/cedbfa1b4a94d32ff88f7a53e3b85d36ca5f7fa266d0ae9c236cc0f633455402
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1641825
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/cedbfa1b4a94d32ff88f7a53e3b85d36ca5f7fa266d0ae9c236cc0f633455402
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cedbfa1b4a94d32ff88f7a53e3b85d36ca5f7fa266d0ae9c236cc0f633455402/
Threat name:
Win32.Exploit.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-03-18 12:58:12 UTC
File Type:
Document
Extracted files:
48
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z3n7ug2kstjs76eppjj6hoc5g3ff675cm3ik5hbdntapmm2fkqba._file
Verdict:
malicious
Label(s):
admintool_iepassview
Create hunting rule
admintool_mailpassview
Create hunting rule
remcos
Create hunting rule
nirsoft
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost defense_evasion discovery persistence rat
Link:
https://tria.ge/reports/250318-p7kvlstsgz/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies data under HKEY_USERS
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
System Location Discovery: System Language Discovery
Subvert Trust Controls: Mark-of-the-Web Bypass
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
amuselabs.duckdns.org:9078
Verdict:
Malicious
Tags:
maldoc trojan retefe Rtf.Dropper.Agent-9965975-1
YARA:
RTF_Shellcode Retefe
Link:
https://app.threat.zone/submission/f5b9c8d2-bd2d-4692-bfaf-9bfc5a7376d4
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cedbfa1b4a94/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cedbfa1b4a94d32ff88f7a53e3b85d36ca5f7fa266d0ae9c236cc0f633455402

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:APT_PatchWork_BADNEWS_20211105
Create hunting rule
Description:Detects PatchWork Group RTF or BADNEWS
Rule name:Embedded_RTF_File
Create hunting rule
Author:Nicholas Dhaeyer - @DhaeyerWolf
Description:Related to CVE-2023-36884. Hunts for any zip-like archive (eg. office documents) that have an embedded .rtf file, based on the '.rtf' extension of the file.
Rule name:MAL_RTF_Embedded_OLE_PE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious string often used in PE files in a hex encoded object stream
Reference:https://www.nextron-systems.com/2018/01/22/creating-yara-rules-detect-embedded-exe-files-ole-objects/
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments