MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d037181a9e8d57201e9cd772144f2ce7e7a0b87f7362ccae4e055096ff3ea9b1. 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


SnakeKeylogger


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d037181a9e8d57201e9cd772144f2ce7e7a0b87f7362ccae4e055096ff3ea9b1
SHA3-384 hash: e3d3db433c8882c861311c0bd7247c356cd061770ccf47b41015e801dac95f715b6ce14e62b7dc8668460853f2015aa9
SHA1 hash: 15bdd0d6897e80ec1bc80800759981b5f46d4935
MD5 hash: 8318aec68f9d4c0a09e9a23c3f66bdc3
humanhash: maine-quiet-whiskey-glucose
File name:8318aec68f9d4c0a09e9a23c3f66bdc3
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:14'499 bytes
First seen:2023-02-17 03:50:58 UTC
Last seen:2023-02-17 10:31:23 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:5i+omxyW9hLgzkR2+te8DZ3gxigwLsVXC+31R5KOFuih1X4ykfxzpvq5PHzt9O1S:wm4kRfLte8N3g8AVJ31RhFuwobsMNVO
TLSH T12B52F8416BDD59B19360E073C11A45560C3EE1BB32A627E8B8CDE58237BC20E06FD6F9
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf SnakeKeylogger UNIBO

Intelligence

File Origin
# of uploads :
3
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Elenco richieste dall'Università di Bologna (BO#150223).docx
Verdict:
Malicious activity
Analysis date:
2023-02-15 15:04:27 UTC
Tags:
opendir exploit cve-2017-11882 evasion trojan snake keylogger loader
Link:
https://app.any.run/tasks/8dafdc88-236c-4d93-9d28-1c19e99fac6c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Exploit.RTF-ObfsObjDat.Gen.14366.2339.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for the window
Creating a window
Searching for synchronization primitives
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% directory
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
embedequation exploit shell32.dll shellcode
Link:
https://www.filescan.io/uploads/63eef9a6b8f7cb97bffde260/reports/54b60cfd-8f7b-4cf4-8614-360c93ca1aff/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/d037181a9e8d57201e9cd772144f2ce7e7a0b87f7362ccae4e055096ff3ea9b1
Result
Verdict:
MALICIOUS
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1177639
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (creates a PE file in dynamic memory)
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 810462 Sample: O2vCSWleLn.rtf Startdate: 17/02/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 12 other signatures 2->46 8 EQNEDT32.EXE 12 2->8         started        13 WINWORD.EXE 336 18 2->13         started        15 EQNEDT32.EXE 2->15         started        process3 dnsIp4 34 104.168.32.152, 49171, 80 AS-COLOCROSSINGUS United States 8->34 30 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 8->30 dropped 32 C:\Users\Public\vbc.exe, PE32 8->32 dropped 66 Office equation editor establishes network connection 8->66 68 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->68 17 vbc.exe 19 8->17         started        file5 signatures6 process7 file8 28 C:\Users\user\AppData\...\vfghilqgfy.exe, PE32 17->28 dropped 48 Multi AV Scanner detection for dropped file 17->48 50 Machine Learning detection for dropped file 17->50 21 vfghilqgfy.exe 17->21         started        signatures9 process10 signatures11 52 Multi AV Scanner detection for dropped file 21->52 54 Detected unpacking (creates a PE file in dynamic memory) 21->54 56 May check the online IP address of the machine 21->56 58 2 other signatures 21->58 24 vfghilqgfy.exe 12 21->24         started        process12 dnsIp13 36 checkip.dyndns.com 132.226.247.73, 49172, 80 UTMEMUS United States 24->36 38 checkip.dyndns.org 24->38 60 Tries to steal Mail credentials (via file / registry access) 24->60 62 Tries to harvest and steal ftp login credentials 24->62 64 Tries to harvest and steal browser information (history, passwords, etc) 24->64 signatures14
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d037181a9e8d57201e9cd772144f2ce7e7a0b87f7362ccae4e055096ff3ea9b1/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-02-15 14:27:46 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 25 (60.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2a3rqgu6rvlsahu425zbitzm47t2bod7onrmzlsoavijn7z6vgyq._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/230217-eegx5sdb4y/
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: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Snake Keylogger
Snake Keylogger payload
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/d037181a9e8d57201e9cd772144f2ce7e7a0b87f7362ccae4e055096ff3ea9b1

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

SnakeKeylogger

Rich Text Format (RTF) rtf d037181a9e8d57201e9cd772144f2ce7e7a0b87f7362ccae4e055096ff3ea9b1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2542604/

Comments


Avatar
zbet commented on 2023-02-17 03:51:01 UTC

url : hxxp://104.168.32.152/oo.doc