MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76dfb0e8e48b44cba5c8c74792169b58e3843809f97430e113aa137815361aa2. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76dfb0e8e48b44cba5c8c74792169b58e3843809f97430e113aa137815361aa2
SHA3-384 hash: 863d6c326e5bca51e9acfefa829a027db7a42534ab7c546de5cbe7430ce1582877ceabb1d05187b8505d1bffd11cc5ca
SHA1 hash: 93de7cc0007b932f48d8cba4df27fd8e9f5b7013
MD5 hash: 9288eb2cbbbb37dda26366981c241aee
humanhash: bakerloo-oxygen-artist-floor
File name:simplethingsbutsuchagreatthingstobackwithinentirethingstohappenedwithentirethingsbackwith_________simplethingsbacktounderserthings.doc
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:79'348 bytes
First seen:2024-07-25 07:46:39 UTC
Last seen:2024-11-19 11:51:43 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 384:g+1+vbjhE0v1Ve8NYwzzIIS2w6rI/0LTl493VAadA:g+1+jtE41VhYqIKsQ+y
TLSH T15273DF1EC79F44A9CB59A37313161E0506FDB33DB21152BA746C87713BAE83D18AA4BC
Reporter NDA0E
Tags:CVE-2017-11882 doc RemcosRAT windowsssforjunee-duckdns-org

Intelligence

File Origin
# of uploads :
3
# of downloads :
387
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

TwinWave.EvilRTF.ObfusRunAway.20240409.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a34d9081e42e2b16c79ca1
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Сreating synchronization primitives
Launching a service
Connection attempt by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/76dfb0e8e48b44cba5c8c74792169b58e3843809f97430e113aa137815361aa2/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/66a202fa4c5c17942a7d7976/reports/48560709-fbff-47c2-a297-ee973957877d/overview
Gathering data
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1481528
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/76dfb0e8e48b44cba5c8c74792169b58e3843809f97430e113aa137815361aa2
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/76dfb0e8e48b44cba5c8c74792169b58e3843809f97430e113aa137815361aa2/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-07-25 05:23:35 UTC
File Type:
Document
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3p3b2herncmxjoiy5dzefu3ldryioaj7f2dbyitvijxqfjwdkra._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/240725-jmjh6awgkn/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
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
Drops file in Windows directory
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c09b5675-9c0c-4cc7-965f-cd00b6f771d7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/76dfb0e8e48b44cba5c8c74792169b58e3843809f97430e113aa137815361aa2

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:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
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 76dfb0e8e48b44cba5c8c74792169b58e3843809f97430e113aa137815361aa2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3066335/

Comments