MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75b34582da3effe95b2f94a7508ea7ffbae5a201f6cf3f8a65bc1929735499d3. 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: 75b34582da3effe95b2f94a7508ea7ffbae5a201f6cf3f8a65bc1929735499d3
SHA3-384 hash: 88f900013735eb6662ad5937a91709627ebdc17dd40e172421959819fe57e3bd592c933f723a3ec1e425cf837bb9dc17
SHA1 hash: 555da86dc5e177b513d664dc2741feec19b55f97
MD5 hash: e8074b57eed527b7b5f160f323710a76
humanhash: whiskey-september-kentucky-mars
File name:PAYMENT.doc
Download: download sample
Signature VIPKeylogger
Create hunting rule
File size:943'053 bytes
First seen:2024-10-14 14:23:56 UTC
Last seen:2024-10-17 07:32:06 UTC
File type:Word file doc
MIME type:text/plain
ssdeep 6144:FwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAQ:A9
TLSH T1E315AD2DD34B02598F624377AB571E5142BDBA7EF38452B1302C537933EAC39A2252BD
Magika rtf
Reporter lowmal3
Tags:CVE-2017-11882 doc VIPKeylogger

Intelligence

File Origin
# of uploads :
5
# of downloads :
389
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENT.doc
Verdict:
No threats detected
Analysis date:
2024-10-14 14:26:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3960ac5a-49fe-431b-8fea-58e12905b7fd

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=670d29851d4ef219fa628a95
Tags:
Remo
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/75b34582da3effe95b2f94a7508ea7ffbae5a201f6cf3f8a65bc1929735499d3/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/670d29873190377d5773f4e0/reports/ecc54acb-2926-4a2d-9f1e-de921d0b3ea9/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/75b34582da3effe95b2f94a7508ea7ffbae5a201f6cf3f8a65bc1929735499d3
Result
Verdict:
MALICIOUS
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/1533363
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
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 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
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1533363 Sample: PAYMENT.doc Startdate: 14/10/2024 Architecture: WINDOWS Score: 100 44 Initial sample is an obfuscated RTF file 2->44 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 23 other signatures 2->50 8 WINWORD.EXE 291 18 2->8         started        process3 process4 10 EQNEDT32.EXE 11 8->10         started        15 EQNEDT32.EXE 8->15         started        dnsIp5 36 87.120.84.38, 49161, 80 SHARCOM-ASBG Bulgaria 10->36 26 C:\Users\user\AppData\...\rfedjuobi38503.exe, PE32 10->26 dropped 28 C:\Users\user\...\Wiye6UdJ0SnCj7z[1].exe, PE32 10->28 dropped 62 Office equation editor establishes network connection 10->62 64 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->64 17 rfedjuobi38503.exe 3 10->17         started        file6 signatures7 process8 signatures9 38 Machine Learning detection for dropped file 17->38 40 Adds a directory exclusion to Windows Defender 17->40 42 Injects a PE file into a foreign processes 17->42 20 rfedjuobi38503.exe 12 2 17->20         started        24 powershell.exe 4 17->24         started        process10 dnsIp11 30 reallyfreegeoip.org 20->30 32 api.telegram.org 20->32 34 9 other IPs or domains 20->34 52 Installs new ROOT certificates 20->52 54 Tries to steal Mail credentials (via file / registry access) 20->54 56 Tries to harvest and steal browser information (history, passwords, etc) 20->56 signatures12 58 Tries to detect the country of the analysis system (by using the IP) 30->58 60 Uses the Telegram API (likely for C&C communication) 32->60
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/75b34582da3effe95b2f94a7508ea7ffbae5a201f6cf3f8a65bc1929735499d3
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/75b34582da3effe95b2f94a7508ea7ffbae5a201f6cf3f8a65bc1929735499d3/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-10-14 12:49:51 UTC
File Type:
Document
Extracted files:
3
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=owzulaw2h376swzpsstvbdvh765oliqb63ht7ctfxqmss42uthjq._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/241014-rqphkszaqa/
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2be075c2-a7fc-4ece-bca9-1b1f711233c7
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/75b34582da3effe95b2f94a7508ea7ffbae5a201f6cf3f8a65bc1929735499d3

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.

Malspam

VIPKeylogger

Word file doc 75b34582da3effe95b2f94a7508ea7ffbae5a201f6cf3f8a65bc1929735499d3

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
URLhaus
https://urlhaus.abuse.ch/url/3235741/

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