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Windows
Analysis Report
5QnwxSJVyX.doc
Overview
General Information
Sample name: | 5QnwxSJVyX.doc (renamed file extension from none to doc, renamed because original name is a hash value) |
Original sample name: | 0faaf305176113777cc706b6df9603c131382a35a0de9efd1cc2e883dd95459d |
Analysis ID: | 1562811 |
MD5: | 5085b78ddbc67c16dd26dc908ee14140 |
SHA1: | 87a9084b27f45ac42e23c92db0fd86ad7c5acbb2 |
SHA256: | 0faaf305176113777cc706b6df9603c131382a35a0de9efd1cc2e883dd95459d |
Infos: | |
Detection
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Suricata IDS alerts for network traffic
Adds a directory exclusion to Windows Defender
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document exploit detected (process start blacklist hit)
Drops PE files to the startup folder
Drops PE files with a suspicious file extension
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies Windows Defender protection settings
Modifies the hosts file
Office process drops PE file
Office process queries suspicious COM object (likely to drop second stage)
Sigma detected: File With Uncommon Extension Created By An Office Application
Sigma detected: Legitimate Application Dropped Archive
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Startup Folder Persistence
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
AV process strings found (often used to terminate AV products)
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates a start menu entry (Start Menu\Programs\Startup)
Detected potential crypto function
Document contains an embedded VBA macro which executes code when the document is opened / closed
Document contains embedded VBA macros
Document embeds suspicious OLE2 link
Document misses a certain OLE stream usually present in this Microsoft Office document type
Drops PE files
Drops PE files to the application program directory (C:\ProgramData)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May check the online IP address of the machine
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Queries sensitive Operating System Information (via WMI, Win32_ComputerSystem, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sigma detected: Powershell Defender Exclusion
Sigma detected: SCR File Write Event
Sigma detected: Startup Folder File Write
Sigma detected: Suspicious Office Outbound Connections
Sigma detected: Suspicious Screensaver Binary File Creation
Stores files to the Windows start menu directory
Uses Microsoft's Enhanced Cryptographic Provider
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Yara detected Credential Stealer
Classification
- System is w10x64
- WINWORD.EXE (PID: 7364 cmdline:
"C:\Progra m Files (x 86)\Micros oft Office \Root\Offi ce16\WINWO RD.EXE" /A utomation -Embedding MD5: 1A0C2C2E7D9C4BC18E91604E9B0C7678) - vhcst.exe (PID: 7848 cmdline:
"C:\271643 9\vhcst.ex e" MD5: 6D8282E9F5AA75B07B018DC5CC2F6BC7) - vhcst.exe (PID: 7916 cmdline:
"C:\703700 5\vhcst.ex e" MD5: 6D8282E9F5AA75B07B018DC5CC2F6BC7) - powershell.exe (PID: 8120 cmdline:
"powershel l.exe" Add -MpPrefere nce -Exclu sionPath ' C:\7037005 \vhcst.exe ' MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 8128 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - WmiPrvSE.exe (PID: 5296 cmdline:
C:\Windows \system32\ wbem\wmipr vse.exe -s ecured -Em bedding MD5: 60FF40CFD7FB8FE41EE4FE9AE5FE1C51) - powershell.exe (PID: 7788 cmdline:
"powershel l.exe" Set -MpPrefere nce -Disab leIntrusio nPreventio nSystem $t rue -Disab leIOAVProt ection $tr ue -Disabl eRealtimeM onitoring $true -Dis ableScript Scanning $ true -Enab leControll edFolderAc cess Disab led -Enabl eNetworkPr otection A uditMode - Force -MAP SReporting Disabled -SubmitSam plesConsen t NeverSen d && power shell Set- MpPreferen ce -Submit SamplesCon sent 2 MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 7748 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - WMIC.exe (PID: 7876 cmdline:
"wmic.exe" os get Ca ption MD5: C37F2F4F4B3CD128BDABCAEB2266A785) - conhost.exe (PID: 7940 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - WMIC.exe (PID: 8088 cmdline:
"wmic.exe" computers ystem get totalphysi calmemory MD5: C37F2F4F4B3CD128BDABCAEB2266A785) - conhost.exe (PID: 2932 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - WMIC.exe (PID: 5828 cmdline:
"wmic.exe" csproduct get uuid MD5: C37F2F4F4B3CD128BDABCAEB2266A785) - conhost.exe (PID: 4280 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 7868 cmdline:
"powershel l.exe" Get -ItemPrope rtyValue - Path 'HKLM :System\Cu rrentContr olSet\Cont rol\Sessio n Manager\ Environmen t' -Name P ROCESSOR_I DENTIFIER MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 1448 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - WMIC.exe (PID: 1436 cmdline:
"wmic" pat h win32_Vi deoControl ler get na me MD5: C37F2F4F4B3CD128BDABCAEB2266A785) - conhost.exe (PID: 8152 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 5772 cmdline:
"powershel l.exe" Get -WmiObject -Namespac e "Root\Se curityCent er2" -Clas s AntiViru sProduct | Select-Ob ject -Expa ndProperty displayNa me MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 5444 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security |
System Summary |
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Source: | Author: Vadim Khrykov (ThreatIntel), Cyb3rEng (Rule), Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: frack113, Florian Roth: |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Christopher Peacock @securepeacock, SCYTHE @scythe_io: |
Source: | Author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research): |
Source: | Author: X__Junior (Nextron Systems): |
Source: | Author: frack113: |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Source: | Author: Nasreddine Bencherchali (Nextron Systems): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-11-26T04:19:31.441150+0100 | 2827578 | 1 | A Network Trojan was detected | 192.168.2.4 | 49735 | 108.181.20.35 | 443 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira: |
Source: | ReversingLabs: | |||
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: | |||
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Source: | Virustotal: | Perma Link |
Source: | Joe Sandbox ML: | ||
Source: | Joe Sandbox ML: | ||
Source: | Joe Sandbox ML: |
Source: | Joe Sandbox ML: |
Source: | Code function: | 6_2_00007FFD99FD26BE | |
Source: | Code function: | 6_2_00007FFD99FD26F1 | |
Source: | Code function: | 6_2_00007FFD99FD270E |
Source: | File opened: | Jump to behavior |
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: |
Software Vulnerabilities |
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Source: | File created: | Jump to behavior | ||
Source: | File created: | Jump to behavior |
Source: | File created: | Jump to dropped file |
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Networking |
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Source: | Suricata IDS: |
Source: | HTTP traffic detected: |
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Source: | HTTPS traffic detected: | ||
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Spam, unwanted Advertisements and Ransom Demands |
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Source: | File written: | Jump to behavior |
System Summary |
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Source: | OCR: | ||
Source: | OCR: | ||
Source: | OCR: |
Source: | OLE, VBA macro: | Name: DownloadUnzipAndRun | ||
Source: | OLE, VBA macro: | Name: DownloadUnzipAndRun |
Source: | OLE, VBA macro line: | |||
Source: | OLE, VBA macro: | Name: DownloadUnzipAndRun |
Source: | Stream path 'Macros/VBA/ThisDocument' : | |||
Source: | OLE, VBA macro: | Name: downloadFile | ||
Source: | OLE, VBA macro: | Name: downloadFile | ||
Source: | OLE, VBA macro: |