MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a25c7a104abb85ad689644059b6e6ec5a118eebfd5fb004073a74f3b3b9428da. 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


Threat unknown


Vendor detections: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a25c7a104abb85ad689644059b6e6ec5a118eebfd5fb004073a74f3b3b9428da
SHA3-384 hash: c38d4c13a836e84c0306af3052d6b8a3d0baf84b1a0af56ce1014b34fdf88c9ae4d30394a364bf8b4fff69926e1b0efc
SHA1 hash: 422c2222fbc390060e4dba67cd6cc6b9058bbdd7
MD5 hash: 18a942800e19f651c6b2b047fcd96f54
humanhash: fourteen-triple-massachusetts-yellow
File name:invc_0098008.wbk
Download: download sample
File size:13'127 bytes
First seen:2021-10-13 13:14:51 UTC
Last seen:Never
File type:unknown
MIME type:text/plain
ssdeep 192:Uf8ZLfAfRH3NgFPOKiyfItd8NizpancbmJHDO/00kmixJmm62FphsnXzgW:UwzoRH3MNnfIOizpoHSq6tXzf
TLSH T1EA42B6ECF55701A88F496ABC176A27D8024C7A2DB348A273357C9B356B91C3B4627C3C
Reporter info_sec_ca
Tags:CVE-2017-11882 wbk

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Spam-473.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Verdict:
No Threat
Threat level:
  10/10
Confidence:
50%
Tags:
CVE-2017-11882 exploit
Link:
https://www.filescan.io/uploads/6166dbe19fb4d8593d63a1f2/reports/a998f899-2a3e-4c19-b788-6949383c0c31/overview
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/a25c7a104abb85ad689644059b6e6ec5a118eebfd5fb004073a74f3b3b9428da
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a25c7a104abb85ad689644059b6e6ec5a118eebfd5fb004073a74f3b3b9428da/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Suspicious
First seen:
2021-10-13 05:14:59 UTC
AV detection:
16 of 43 (37.21%)
Threat level:
  5/5
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a25c7a104abb/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/a25c7a104abb85ad689644059b6e6ec5a118eebfd5fb004073a74f3b3b9428da

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_RTF_Header_Anomaly_RID2F7F
Create hunting rule
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information

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

Web download

unknown a25c7a104abb85ad689644059b6e6ec5a118eebfd5fb004073a74f3b3b9428da

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1674325/
  
Delivery method
Distributed via web download

Comments