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Windows
Analysis Report
doc_82555.xlsm
Overview
General Information
Detection
Hidden Macro 4.0 Emotet
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Multi AV Scanner detection for submitted file
Document exploit detected (drops PE files)
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Antivirus / Scanner detection for submitted sample
Yara detected Emotet
System process connects to network (likely due to code injection or exploit)
Document exploit detected (creates forbidden files)
Antivirus detection for URL or domain
Found malicious Excel 4.0 Macro
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Office process drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Regsvr32 Network Activity
Found Excel 4.0 Macro with suspicious formulas
Sigma detected: Regsvr32 Command Line Without DLL
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Queries the volume information (name, serial number etc) of a device
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to query locales information (e.g. system language)
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Creates files inside the system directory
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to create guard pages, often used to hinder reverse engineering and debugging
Found potential string decryption / allocating functions
Found evasive API chain (may stop execution after checking a module file name)
Sigma detected: Excel Network Connections
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
Potential document exploit detected (performs DNS queries)
Contains functionality which may be used to detect a debugger (GetProcessHeap)
IP address seen in connection with other malware
Downloads executable code via HTTP
Found a hidden Excel 4.0 Macro sheet
Potential document exploit detected (unknown TCP traffic)
PE file contains strange resources
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Drops PE files to the windows directory (C:\Windows)
Yara detected Xls With Macro 4.0
Connects to several IPs in different countries
Potential key logger detected (key state polling based)
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Drops PE files to the user directory
Excel documents contains an embedded macro which executes code when the document is opened
Found large amount of non-executed APIs
Potential document exploit detected (performs HTTP gets)
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Creates a process in suspended mode (likely to inject code)
Classification
- System is w7x64
- EXCEL.EXE (PID: 820 cmdline:
"C:\Progra m Files\Mi crosoft Of fice\Offic e14\EXCEL. EXE" /auto mation -Em bedding MD5: D53B85E21886D2AF9815C377537BCAC3) - regsvr32.exe (PID: 2092 cmdline:
C:\Windows \SysWow64\ regsvr32.e xe /s ..\s ei.ocx MD5: 432BE6CF7311062633459EEF6B242FB5) - regsvr32.exe (PID: 2236 cmdline:
C:\Windows \SysWOW64\ regsvr32.e xe /s "C:\ Windows\Sy sWOW64\Bvz agchljm\dw kzewjivpn. djh" MD5: 432BE6CF7311062633459EEF6B242FB5) - regsvr32.exe (PID: 2628 cmdline:
C:\Windows \SysWOW64\ regsvr32.e xe /s "C:\ Windows\Sy sWOW64\Cfu xhhimriog\ usertmslb. fpr" MD5: 432BE6CF7311062633459EEF6B242FB5) - regsvr32.exe (PID: 772 cmdline:
C:\Windows \SysWOW64\ regsvr32.e xe /s "C:\ Windows\Sy sWOW64\Mgm xxtvaciu\f myrhviayqb jkvb.voe" MD5: 432BE6CF7311062633459EEF6B242FB5)
- cleanup
{"C2 list": ["186.250.48.5:80", "168.119.39.118:443", "185.168.130.138:443", "190.90.233.66:443", "159.69.237.188:443", "54.37.228.122:443", "93.104.209.107:8080", "185.148.168.15:8080", "198.199.98.78:8080", "87.106.97.83:7080", "195.77.239.39:8080", "37.44.244.177:8080", "54.38.242.185:443", "185.184.25.78:8080", "116.124.128.206:8080", "139.196.72.155:8080", "128.199.192.135:8080", "103.41.204.169:8080", "78.47.204.80:443", "68.183.93.250:443", "194.9.172.107:8080", "37.59.209.141:8080", "85.214.67.203:8080", "78.46.73.125:443", "195.154.146.35:443", "191.252.103.16:80", "118.98.72.86:443", "185.148.168.220:8080", "217.182.143.207:443", "168.197.250.14:80", "62.171.178.147:8080", "104.131.62.48:8080", "203.153.216.46:443", "210.57.209.142:8080", "59.148.253.194:443", "207.148.81.119:8080", "54.37.106.167:8080", "66.42.57.149:443", "45.71.195.104:8080"], "Public Key": ["RUNTMSAAAAD0LxqDNhonUYwk8sqo7IWuUllRdUiUBnACc6romsQoe1YJD7wIe4AheqYofpZFucPDXCZ0z9i+ooUffqeoLZU0", "RUNLMSAAAADYNZPXY4tQxd/N4Wn5sTYAm5tUOxY2ol1ELrI4MNhHNi640vSLasjYTHpFRBoG+o84vtr7AJachCzOHjaAJFCW"]}
Source | Rule | Description | Author | Strings |
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JoeSecurity_XlsWithMacro4 | Yara detected Xls With Macro 4.0 | Joe Security |
Source | Rule | Description | Author | Strings |
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JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
Click to see the 3 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security | ||
Click to see the 7 entries |
System Summary |
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Source: | Author: Michael Haag, Florian Roth, Markus Neis, Elastic, FPT.EagleEye Team: |
Source: | Author: Dmitriy Lifanov, oscd.community: |
Source: | Author: Florian Roth: |
Source: | Author: Christopher Peacock '@securepeacock', SCYTHE '@scythe_io', Florian Roth '@Neo23x0": |
Source: | Author: frack113: |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Malware Configuration Extractor: |
Source: | Virustotal: | Perma Link | ||
Source: | Metadefender: | Perma Link | ||
Source: | ReversingLabs: |
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Source: | File opened: | Jump to behavior |
Source: | Code function: | 3_2_6DA4CD09 | |
Source: | Code function: | 6_2_1000FE4B |
Software Vulnerabilities |
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Source: | File created: | Jump to dropped file |
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