MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57e70e40830756271f4ab7fb92bc9b7df138812ccb9ea8e8b281b9e3772fa77f. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57e70e40830756271f4ab7fb92bc9b7df138812ccb9ea8e8b281b9e3772fa77f
SHA3-384 hash: a58195a16f38c1eb7aae2fcf159fe648ffe6e81155d7b329f904cafca0b0d06b35abf44b27ee00e5c06a6ccda49e16b1
SHA1 hash: 372e6424164efc6ab24248b98119eb784dcd3bed
MD5 hash: f18154ad38c526af21cafa86c6188011
humanhash: asparagus-speaker-kilo-utah
File name:zi.doc
Download: download sample
File size:21'905 bytes
First seen:2023-06-01 11:15:20 UTC
Last seen:2023-06-01 11:50:52 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 384:6N9BGHfSp6W3xReV+ISEbGpfl4jWmCnhI4toEC6xVCUW0WUTtfbMfpkvVZrtIv9W:6N9GfSwtSUGRl4KmCnhI0oIr0q9wh6Zn
TLSH T19FA2F5565B8C4C61F26AE8BB875DA00E49BCF23630C255C5BD9DE2707B3D14E0B6B1B8
Reporter JAMESWT_WT
Tags:CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
262
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
zi.doc
Verdict:
Malicious activity
Analysis date:
2023-06-01 11:16:43 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/92063612-9e31-4167-a089-390cc1531da2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/57e70e40830756271f4ab7fb92bc9b7df138812ccb9ea8e8b281b9e3772fa77f/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit greyware lolbin packed shell32.dll shellcode stealer
Link:
https://www.filescan.io/uploads/64787df347ccd95d485ba86f/reports/55b5afdf-c310-4dc6-bc86-a0462fa54bf7/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/57e70e40830756271f4ab7fb92bc9b7df138812ccb9ea8e8b281b9e3772fa77f
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=130a0205-3518-477c-bc0d-8ae381c6a247
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/57e70e40830756271f4ab7fb92bc9b7df138812ccb9ea8e8b281b9e3772fa77f
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1246744
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the user root directory
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Download SVG
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57e70e40830756271f4ab7fb92bc9b7df138812ccb9ea8e8b281b9e3772fa77f/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-06-01 11:13:51 UTC
File Type:
Document
Extracted files:
4
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7tq4qeda5lcoh2kw75zfpe3pxytrajmzopkr2fsqg46g5zpu57q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230601-nc45bsea33/
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 behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57e70e408307/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/57e70e40830756271f4ab7fb92bc9b7df138812ccb9ea8e8b281b9e3772fa77f

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

Word file doc 57e70e40830756271f4ab7fb92bc9b7df138812ccb9ea8e8b281b9e3772fa77f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2648811/
  
Delivery method
Distributed via web download

Comments