🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff764765692f15e596b66329082f7cc73df9ab95a3af04ddf42e7d0f57c11fef. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff764765692f15e596b66329082f7cc73df9ab95a3af04ddf42e7d0f57c11fef
SHA3-384 hash: c6d3736a828b2f918cc36e510682d612b88d2754fb236db5eaa1b2ab4b6249d698f890b8743ee3a68c9d6448b488c05b
SHA1 hash: 0c6a034464795919fc152f00b8ce8fe5af3f153b
MD5 hash: ecee6aa34fbc3160da85977ea06635f4
humanhash: butter-winner-dakota-solar
File name:New Order 67789034.doc
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:142'738 bytes
First seen:2024-03-27 10:59:11 UTC
Last seen:2024-03-27 12:38:20 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:ewAlRkwAlRkwAlR4U/1v5JUPAbvSpf9MxFWU/G:ewAlawAlawAlm2vPUPAbvSpf22UO
TLSH T140D3CF6DD34B02598F621337AB571E5441BDBA6EF38512B1306C437933EAC3DA2262BD
Reporter malwarelabnet
Tags:CVE-2017-11882 doc remcos RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
419
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ff764765692f15e596b66329082f7cc73df9ab95a3af04ddf42e7d0f57c11fef.doc
Verdict:
Malicious activity
Analysis date:
2024-03-27 11:02:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/53e64a26-f992-49e4-820d-7f570b34699a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/ff764765692f15e596b66329082f7cc73df9ab95a3af04ddf42e7d0f57c11fef/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6603fc401c5277edcec1e60b/reports/d5a00d57-abf2-4c99-985b-ed423213b3d5/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/ff764765692f15e596b66329082f7cc73df9ab95a3af04ddf42e7d0f57c11fef
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1416425
Signature
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Equation Editor Network Connection
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/ff764765692f15e596b66329082f7cc73df9ab95a3af04ddf42e7d0f57c11fef
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff764765692f15e596b66329082f7cc73df9ab95a3af04ddf42e7d0f57c11fef/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-03-25 02:51:58 UTC
File Type:
Document
Extracted files:
3
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=753eozljf4k6lfvwmmuqql34y467tk4vuoxqjxpufz6q6v6bd7xq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/240327-m3z3madg7w/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Blocklisted process makes network request
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/ff764765692f15e596b66329082f7cc73df9ab95a3af04ddf42e7d0f57c11fef

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.

Comments