MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecab42bb991c926cd7dcab95bd75d5cbdd2ecf73b53cef9a61de59c8faf64d89. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: ecab42bb991c926cd7dcab95bd75d5cbdd2ecf73b53cef9a61de59c8faf64d89
SHA3-384 hash: c8511a33f524ffa34b6b8d360e4fb32d5062043febebd7a159c12f95662e1e79375ec5c11c4bfea107e4af9c0934929b
SHA1 hash: 7765a85061dd031a3cee493eb9db64646bc79c09
MD5 hash: cfafa80d04b156dce44943b099a901f2
humanhash: sierra-twenty-princess-undress
File name:nicepersonwithgoodheartalwaysgethurt__________nicepersonwithgoodheartalwaysgethurt_________nicepersonwithgoodheartalwaysgethurtniceperson.doc
Download: download sample
Signature RemcosRAT
File size:131'161 bytes
First seen:2025-02-15 11:36:56 UTC
Last seen:2025-02-15 20:30:06 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:D5yQWU+aTNa2RW0J5W6qw50IBeR9/oltTc:dyfU++Z26qwKIBeR9/6A
TLSH T1B8D39C29E70F0955DF94A67B425A4A8949FCB33DF38000B579AC973837DDC2E4A2287C
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
696
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
remcos shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching a process
Creating a window
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
Searching for the window
Using the Windows Management Instrumentation requests
Launching a service
Connection attempt 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
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
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:
2025-02-13 14:42:17 UTC
File Type:
Document
Extracted files:
4
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
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 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
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Downloads MZ/PE file
Evasion via Device Credential Deployment
Verdict:
Informative
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 ecab42bb991c926cd7dcab95bd75d5cbdd2ecf73b53cef9a61de59c8faf64d89

(this sample)

  
Delivery method
Distributed via web download

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