MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036. 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: 13


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

SHA256 hash: dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036
SHA3-384 hash: 11dc7ea3960f321d382a2db5f0cbf951f6f6146e69776147986847cb05b56129ea70c6d5d351954ecf86521e73c50c14
SHA1 hash: ce6249e08d9b3ca74cf167a4b58994197a333f7d
MD5 hash: 308fb401507bd635fba139b2394c46e6
humanhash: angel-pluto-september-massachusetts
File name:yugozxcvb.doc
Download: download sample
Signature VIPKeylogger
Create hunting rule
File size:719'996 bytes
First seen:2024-10-18 06:09:28 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 6144:NwAYwAYwAkGbUHRcXqQBbEYSW7Umqfq9Tr:B
TLSH T1AAE4232DD34F05599F62873A9B5B4E0546BCB62EF38141B0346C937837EEC3A962267C
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc VIPKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
395
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yugozxcvb.doc
Verdict:
No threats detected
Analysis date:
2024-10-17 18:53:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1b1dce08-5b49-4ee8-857e-a629a6938046

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

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

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

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6711fbbee706a56b5a02ab13
Tags:
Remo
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed stealer
Link:
https://www.filescan.io/uploads/6711fbbef5f22ab154b3c13d/reports/08b3d960-7271-4389-9ef8-41ed33a61f5d/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1536809
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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
Injects a PE file into a foreign processes
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: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Suricata IDS alerts for network traffic
Tries to detect the country of the analysis system (by using the IP)
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1536809 Sample: yugozxcvb.doc Startdate: 18/10/2024 Architecture: WINDOWS Score: 100 29 checkip.dyndns.org 2->29 31 checkip.dyndns.com 2->31 47 Initial sample is an obfuscated RTF file 2->47 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 21 other signatures 2->53 9 WINWORD.EXE 291 17 2->9         started        signatures3 process4 process5 11 EQNEDT32.EXE 11 9->11         started        16 EQNEDT32.EXE 9->16         started        dnsIp6 39 87.120.84.38, 49161, 80 SHARCOM-ASBG Bulgaria 11->39 25 C:\Users\user\AppData\...\yugoagod38511.exe, PE32 11->25 dropped 27 C:\Users\user\AppData\...\yugozxcv[1].exe, PE32 11->27 dropped 59 Office equation editor establishes network connection 11->59 61 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 11->61 18 yugoagod38511.exe 2 11->18         started        file7 signatures8 process9 signatures10 41 Multi AV Scanner detection for dropped file 18->41 43 Machine Learning detection for dropped file 18->43 45 Injects a PE file into a foreign processes 18->45 21 yugoagod38511.exe 12 2 18->21         started        process11 dnsIp12 33 reallyfreegeoip.org 21->33 35 reallyfreegeoip.org 188.114.97.3, 443, 49163, 49164 CLOUDFLARENETUS European Union 21->35 37 3 other IPs or domains 21->37 55 Installs new ROOT certificates 21->55 signatures13 57 Tries to detect the country of the analysis system (by using the IP) 33->57
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-10-16 05:59:45 UTC
File Type:
Document
Extracted files:
3
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3qfpfb5rxz55ekf7pmpqltqhrymyr55phek6zsh5dxhrqs4mia3a._file
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger discovery keylogger stealer
Link:
https://tria.ge/reports/241018-gw2d8a1fnh/
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
Office loads VBA resources, possible macro or embedded object present
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
VIPKeylogger
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/77512f26-747a-42be-aa01-67287d56a833
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036

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 dc0af287b1be7bd228bf7b1f05ce078e1988f7af3915ecc8fd1dcf184b8c4036

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3240425/
  
Delivery method
Distributed via web download

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