MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c71e7a8e48437479a55cde6940548e03de4ef183f588ce7f1849835f5120dc28. 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


VIPKeylogger


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c71e7a8e48437479a55cde6940548e03de4ef183f588ce7f1849835f5120dc28
SHA3-384 hash: 7c42c9a6bc7291671b88fa0d9c1184e0d706d063f432f8eacbe5d6e871b5526e115ea1f1167a782896ee165e27e97225
SHA1 hash: 327caa3953820ae2143f459be7dd36a837a3d20e
MD5 hash: 7175c079e1f2ee57095a160d88455ace
humanhash: comet-sweet-cup-arizona
File name:na
Download: download sample
Signature VIPKeylogger
Create hunting rule
File size:1'374'726 bytes
First seen:2024-10-27 12:47:31 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 6144:FwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAR:UCv
TLSH T1F855702DD34B02598F620377AB571E5142BDBA7EF38552A1302C537933EAC3DA1252BE
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc VIPKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
360
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
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

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

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

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=671e3ae25928ee28d55e5a0e
Tags:
Remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/c71e7a8e48437479a55cde6940548e03de4ef183f588ce7f1849835f5120dc28/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/671e36c31856d16cb60e7279/reports/51f5391d-3e04-4a3e-a3b0-3bd15684a350/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/c71e7a8e48437479a55cde6940548e03de4ef183f588ce7f1849835f5120dc28
Result
Verdict:
MALICIOUS
Result
Threat name:
VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1543258
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
Initial sample is an obfuscated RTF file
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Suricata IDS alerts for network traffic
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1543258 Sample: na.doc Startdate: 27/10/2024 Architecture: WINDOWS Score: 100 38 Initial sample is an obfuscated RTF file 2->38 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 22 other signatures 2->44 8 WINWORD.EXE 291 18 2->8         started        process3 file4 30 C:\Users\user\Desktop\~$na.doc, data 8->30 dropped 11 EQNEDT32.EXE 11 8->11         started        16 EQNEDT32.EXE 8->16         started        process5 dnsIp6 36 87.120.84.38, 49163, 80 SHARCOM-ASBG Bulgaria 11->36 32 C:\Users\user\...\dxkalzxcwhesilo95810.exe, PE32 11->32 dropped 34 C:\Users\user\...\MnXcvVpLaWYuiO[1].exe, PE32 11->34 dropped 56 Office equation editor establishes network connection 11->56 58 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 11->58 18 dxkalzxcwhesilo95810.exe 3 11->18         started        file7 signatures8 process9 signatures10 46 Antivirus detection for dropped file 18->46 48 Multi AV Scanner detection for dropped file 18->48 50 Machine Learning detection for dropped file 18->50 52 Adds a directory exclusion to Windows Defender 18->52 21 powershell.exe 4 18->21         started        24 dxkalzxcwhesilo95810.exe 18->24         started        26 dxkalzxcwhesilo95810.exe 18->26         started        28 3 other processes 18->28 process11 signatures12 54 Installs new ROOT certificates 21->54
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c71e7a8e48437479a55cde6940548e03de4ef183f588ce7f1849835f5120dc28
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c71e7a8e48437479a55cde6940548e03de4ef183f588ce7f1849835f5120dc28/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-10-26 10:20:25 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=y4phvdsiin2htjk43zuuaveoappe54md6wem47yyjgbv6uja3qua._file
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger spyware stealer
Link:
https://tria.ge/reports/241027-p73enawjcs/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
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
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0166b3c8-b51b-44d2-bd7a-cc2b4cadd31f
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/c71e7a8e48437479a55cde6940548e03de4ef183f588ce7f1849835f5120dc28

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

VIPKeylogger

Word file doc c71e7a8e48437479a55cde6940548e03de4ef183f588ce7f1849835f5120dc28

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3257646/
  
Delivery method
Distributed via web download

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