MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b95f8d7e77d68b4fc2f40b1c42a9da731bd9812a60c36162019063f8af24978. 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 1 File information Comments

SHA256 hash: 2b95f8d7e77d68b4fc2f40b1c42a9da731bd9812a60c36162019063f8af24978
SHA3-384 hash: f864614a9884df9877f935e899bcec9d52e3a07561e0d9c320f285776f773c16b18cc7a40c222aec28bbb6457b6f68b8
SHA1 hash: 6820bb80d79a418adecf1db8d7bf1fddf054fc4e
MD5 hash: 8e128f75977895f5e8767935ab792e5d
humanhash: sweet-winner-mirror-floor
File name:sheisveryinterestingirlsheisverybestfirlformebestthingsshedoing_____undergoodthingsarehappeningevnteigimegood_____shewnatbestgirlformebestthingsdoings.doc
Download: download sample
Signature RemcosRAT
File size:249'621 bytes
First seen:2025-01-23 16:06:01 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:GBU+1XqRJXufoJVSCOum9tkU5/YATIiQvyUS:tdJXuQJwn5gDiQvyUS
TLSH T19034586EE70F0965DF5597BB034A4A4A06FCB33DB38540A039AC577437ADC2E4A6287C
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
530
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
obfuscate office xtreme
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Connection attempt to an infection source by exploiting the app vulnerability
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a service
Query of malicious DNS domain
Connection attempt by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Gathering data
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Document exploit detected (process start blacklist hit)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2025-01-23 10:22:28 UTC
File Type:
Document
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution phishing rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Detected phishing page
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Evasion via Device Credential Deployment
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
abeangana.duckdns.org:1121
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:SUSP_INDICATOR_RTF_MalVer_Objects
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

File information


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

Web download

RemcosRAT

Word file doc 2b95f8d7e77d68b4fc2f40b1c42a9da731bd9812a60c36162019063f8af24978

(this sample)

  
Delivery method
Distributed via web download

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