MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8548efc442f16ef983ed49314e80d9262f386960ebb885bab1df100642b76a3. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8548efc442f16ef983ed49314e80d9262f386960ebb885bab1df100642b76a3
SHA3-384 hash: 1e5e0e7f196d2dcd4c6a5d1899f0f1427cd88d4bbd20970cd0b909d32808165529ef8622303d1e5f61f7da74984df165
SHA1 hash: 193966201a7b900a0e8b73f9498dfb77eabbe93e
MD5 hash: 61a39a6aa6030c0991f5196d46f166a1
humanhash: juliet-mango-uniform-texas
File name:7ar1l60013Sx8PT.doc
Download: download sample
File size:832'662 bytes
First seen:2024-12-04 17:01:36 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 6144:4wAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAni0v+1rMqEwenfBS5SA:MW
TLSH T10F05682DD34B0159CF624277AB5B1E5142FDBB7EB38452A1342C533933EE82DA2252BD
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
482
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7ar1l60013Sx8PT.doc
Verdict:
No threats detected
Analysis date:
2024-12-04 17:02:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/380d515e-8289-4c65-a8a8-547a3763e0d9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
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

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

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

MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67508c5c12e85e185e75caf5
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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/d8548efc442f16ef983ed49314e80d9262f386960ebb885bab1df100642b76a3/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/67508b14e17bdb6c4d96e390/reports/99d8445b-12a0-43eb-9731-f066ed5255d2/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/d8548efc442f16ef983ed49314e80d9262f386960ebb885bab1df100642b76a3
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1568528
Signature
Antivirus / Scanner detection for submitted sample
Document exploit detected (process start blacklist hit)
Initial sample is an obfuscated RTF file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d8548efc442f16ef983ed49314e80d9262f386960ebb885bab1df100642b76a3
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d8548efc442f16ef983ed49314e80d9262f386960ebb885bab1df100642b76a3/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-11-15 12:59:38 UTC
File Type:
Document
Extracted files:
3
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bki57cef4lo7gb62sjrj2ansjrphbuwb25yqw5ldxyqazblo2rq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/241204-vj4kps1rcx/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
System Location Discovery: System Language Discovery
Drops file in Windows directory
Blocklisted process makes network request
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ce729fb2-5a32-4749-9372-d82f6ad1fe26
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/d8548efc442f16ef983ed49314e80d9262f386960ebb885bab1df100642b76a3

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
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

Word file doc d8548efc442f16ef983ed49314e80d9262f386960ebb885bab1df100642b76a3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3319717/
  
Delivery method
Distributed via web download

Comments