MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b9ffbdc1022f1b2e5fd4ad6f55a01ff7f36f74635b8d518838cd67deb1524fb. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9b9ffbdc1022f1b2e5fd4ad6f55a01ff7f36f74635b8d518838cd67deb1524fb
SHA3-384 hash: f75e88bb0948dcad4614862606352d2c0893bf6fe2f7c69891f6762a3dd1e71246827c51583f185e02af4bf1af9a72bf
SHA1 hash: cea0f73da57be4cc31fa687b1bb345d7fbfde08a
MD5 hash: cdbad2902e626007c7f18da970cb588a
humanhash: gee-stream-red-maryland
File name:newwelcomedrinkforentireteammemebersnewwel________newwelcomedrinkforentireteammemebers_________newwelcomedrinkforentireteammemebers.doc
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:80'709 bytes
First seen:2025-03-24 16:41:52 UTC
Last seen:2025-03-25 09:08:05 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:u2AF3sB/2EicA88UPAeqvJsLuvq5TU/eyL0LJAn3M4HzJl/yBp9Y3ZzOy4zay9X1:uTFpDcA88MqvyLECQ/XLCJA3M4HG39Y4
TLSH T19573F56DE74F0955EF51A77B434B8E4909FCB33DB28540A139AC87343BAD82E466287C
Magika rtf
Reporter Anonymous
Tags:CVE-2017-11882 doc RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
491
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29030.RtfHeur.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Exploit.ShellCode.69.18579.13146.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

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

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e24d07bb84e066269edeaf
Tags:
office virus lien 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
Searching for the window
Creating a file in the Windows subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
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
Link:
https://app.docguard.net/9b9ffbdc1022f1b2e5fd4ad6f55a01ff7f36f74635b8d518838cd67deb1524fb/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/67e18b6ba08e28b31da24280/reports/7fe721b7-f1a7-41da-a327-26ef96ae17fd/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/9b9ffbdc1022f1b2e5fd4ad6f55a01ff7f36f74635b8d518838cd67deb1524fb
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=f310475c-fc02-47a4-8464-a321dd59bbd9
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1647299
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/9b9ffbdc1022f1b2e5fd4ad6f55a01ff7f36f74635b8d518838cd67deb1524fb
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9b9ffbdc1022f1b2e5fd4ad6f55a01ff7f36f74635b8d518838cd67deb1524fb/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2025-03-24 06:08:56 UTC
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=top7xxaqely3fzp5jllpkwqb757tn52ggw4nkgedrtlh32yvet5q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution phishing
Link:
https://tria.ge/reports/250324-t7pk1swnx3/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies system certificate store
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
Detected phishing page
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
Verdict:
Informative
Tags:
exploit
YARA:
INDICATOR_RTF_EXPLOIT_CVE_2017_11882_1
Link:
https://app.threat.zone/submission/c9961cbd-5df6-498b-9e88-82a1bf26fc4f
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9b9ffbdc1022/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/9b9ffbdc1022f1b2e5fd4ad6f55a01ff7f36f74635b8d518838cd67deb1524fb

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
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.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/3489955/

Comments