MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af5bc41229045ab88d9c81992fdb442eb814a9cd765e8172480641359b44b6be. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: af5bc41229045ab88d9c81992fdb442eb814a9cd765e8172480641359b44b6be
SHA3-384 hash: f620e77a86a74018b4a88c30881d91f825d7b12fb044e75db4a81a83b8fa549e83543c715db736171ac3c333bfb5bbc0
SHA1 hash: a940bde8c8841e05199fa545fa521441f474d09a
MD5 hash: d0f2558af01fafc92df8d82c60deb2bf
humanhash: victor-nebraska-beer-victor
File name:xBA TM06-Q6-11-24.doc
Download: download sample
Signature VIPKeylogger
File size:362'923 bytes
First seen:2024-11-06 06:48:52 UTC
Last seen:2024-11-06 08:36:33 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:A1LnrgVqOj/5cAsFNM8AaG1mryxZB/0LuQIeavuFbKrppVNxd8vMW:A17OjhctN6uiBpJ2KTXxd8vMW
TLSH T13C7436A8E74E5891DF4947B393564D8812FD333EFB4510A8300DA7B537EEA2D49098BD
Magika txt
Reporter abuse_ch
Tags:CVE-2017-11882 doc VIPKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
421
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
xBA TM06-Q6-11-24.doc
Verdict:
No threats detected
Analysis date:
2024-11-06 07:16:25 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
powershell vmdetect gumen
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Creating a process with a hidden window
Launching a service
Possible injection to a system process
Connection attempt by exploiting the app vulnerability
Creating a process from a recently created file
Using obfuscated Powershell scripts
Result
Verdict:
Malicious
File Type:
Fake RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Result
Threat name:
Snake Keylogger, VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Document exploit detected (process start blacklist hit)
Injects a PE file into a foreign processes
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: HackTool - CrackMapExec PowerShell Obfuscation
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1549869 Sample: xBA TM06-Q6-11-24.doc Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 58 Suricata IDS alerts for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 21 other signatures 2->64 10 WINWORD.EXE 291 20 2->10         started        process3 process4 12 EQNEDT32.EXE 2 12 10->12         started        17 EQNEDT32.EXE 10->17         started        dnsIp5 48 pdf.maxengrygrp.eu 107.174.244.110, 443, 49162, 49167 AS-COLOCROSSINGUS United States 12->48 50 xls.energymaxgrp.eu 12->50 34 C:\Users\user\AppData\...\uthghgjhiu.vbs, Unicode 12->34 dropped 36 C:\Users\user\AppData\...\onstraints[1].vbs, Unicode 12->36 dropped 84 Office equation editor establishes network connection 12->84 86 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 12->86 19 wscript.exe 1 12->19         started        file6 signatures7 process8 dnsIp9 38 paste.ee 19->38 40 paste.ee 188.114.97.3, 443, 49163, 49164 CLOUDFLARENETUS European Union 19->40 66 System process connects to network (likely due to code injection or exploit) 19->66 68 Suspicious powershell command line found 19->68 70 Wscript starts Powershell (via cmd or directly) 19->70 74 4 other signatures 19->74 23 powershell.exe 4 19->23         started        signatures10 72 Connects to a pastebin service (likely for C&C) 38->72 process11 signatures12 76 Suspicious powershell command line found 23->76 78 Obfuscated command line found 23->78 26 powershell.exe 12 5 23->26         started        process13 dnsIp14 42 gig.energymaxgrp.eu 26->42 44 drive.google.com 142.250.184.206, 443, 49165 GOOGLEUS United States 26->44 46 drive.usercontent.google.com 142.250.185.97, 443, 49166 GOOGLEUS United States 26->46 80 Writes to foreign memory regions 26->80 82 Injects a PE file into a foreign processes 26->82 30 dxdiag.exe 12 2 26->30         started        signatures15 process16 dnsIp17 52 reallyfreegeoip.org 30->52 54 api.telegram.org 30->54 56 7 other IPs or domains 30->56 88 Tries to steal Mail credentials (via file / registry access) 30->88 90 Tries to harvest and steal browser information (history, passwords, etc) 30->90 signatures18 92 Tries to detect the country of the analysis system (by using the IP) 52->92 94 Uses the Telegram API (likely for C&C communication) 54->94
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-11-06 01:09:38 UTC
File Type:
Document
Extracted files:
6
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Script User-Agent
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
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Legitimate hosting services abused for malware hosting/C2
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Malware Config
Dropper Extraction:
https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0
Verdict:
Suspicious
Tags:
maldoc
YARA:
RTF_Shellcode
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments