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Windows Analysis Report
file.exe

Overview

General Information

Sample Name:file.exe
Analysis ID:715150
MD5:a3b774ed5023f56970eea0668ae65703
SHA1:3aebfec7980d1db1edbeccbb29044ea677be304b
SHA256:f4f6bcce8531ffa055776e57b0f650b7f87049808e3b29d65fab79ec841ed81c
Tags:exe
Infos:

Detection

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

Signatures

Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Yara detected Nymaim
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Binary is likely a compiled AutoIt script file
Machine Learning detection for sample
May check the online IP address of the machine
C2 URLs / IPs found in malware configuration
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
One or more processes crash
May sleep (evasive loops) to hinder dynamic analysis
Internet Provider seen in connection with other malware
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
JA3 SSL client fingerprint seen in connection with other malware
Found dropped PE file which has not been started or loaded
PE file contains executable resources (Code or Archives)
IP address seen in connection with other malware
Downloads executable code via HTTP
Enables debug privileges
Drops files with a non-matching file extension (content does not match file extension)
AV process strings found (often used to terminate AV products)
Sample file is different than original file name gathered from version info
Drops PE files
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
Binary contains a suspicious time stamp
Dropped file seen in connection with other malware
Creates a process in suspended mode (likely to inject code)

Classification

  • System is w10x64
  • file.exe (PID: 5380 cmdline: C:\Users\user\Desktop\file.exe MD5: A3B774ED5023F56970EEA0668AE65703)
    • WerFault.exe (PID: 5700 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 528 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • WerFault.exe (PID: 5208 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 700 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • WerFault.exe (PID: 5604 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 732 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • WerFault.exe (PID: 5676 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 744 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • WerFault.exe (PID: 5944 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 776 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • WerFault.exe (PID: 4600 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 900 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • WerFault.exe (PID: 4760 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 964 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • WerFault.exe (PID: 5716 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 1152 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • WerFault.exe (PID: 1332 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 1280 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
    • cmd.exe (PID: 5252 cmdline: C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\user\AppData\Local\Temp\aQULKwbFPdioo894n025t\Cleaner.exe MD5: F3BDBE3BB6F734E357235F4D5898582D)
      • conhost.exe (PID: 5188 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
      • Cleaner.exe (PID: 5272 cmdline: "C:\Users\user\AppData\Local\Temp\aQULKwbFPdioo894n025t\Cleaner.exe" MD5: 04514BD4962F7D60679434E0EBE49184)
    • WerFault.exe (PID: 3940 cmdline: C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 1272 MD5: 9E2B8ACAD48ECCA55C0230D63623661B)
  • cleanup
{"C2 addresses": ["208.67.104.97", "85.31.46.167"]}
SourceRuleDescriptionAuthorStrings
00000000.00000000.261344459.0000000000710000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_NymaimYara detected NymaimJoe Security
    00000000.00000000.261344459.0000000000710000.00000040.00001000.00020000.00000000.sdmpWindows_Trojan_Smokeloader_3687686funknownunknown
    • 0x30d:$a: 0C 8B 45 F0 89 45 C8 8B 45 C8 8B 40 3C 8B 4D F0 8D 44 01 04 89
    00000000.00000000.271765385.0000000000710000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_NymaimYara detected NymaimJoe Security
      00000000.00000000.271765385.0000000000710000.00000040.00001000.00020000.00000000.sdmpWindows_Trojan_Smokeloader_3687686funknownunknown
      • 0x30d:$a: 0C 8B 45 F0 89 45 C8 8B 45 C8 8B 40 3C 8B 4D F0 8D 44 01 04 89
      00000000.00000000.266126410.000000000078A000.00000040.00000020.00020000.00000000.sdmpWindows_Trojan_RedLineStealer_ed346e4cunknownunknown
      • 0x1038:$a: 55 8B EC 8B 45 14 56 57 8B 7D 08 33 F6 89 47 0C 39 75 10 76 15 8B
      Click to see the 60 entries
      SourceRuleDescriptionAuthorStrings
      0.3.file.exe.2210000.0.raw.unpackJoeSecurity_NymaimYara detected NymaimJoe Security
        0.0.file.exe.710e67.8.unpackJoeSecurity_NymaimYara detected NymaimJoe Security
          0.0.file.exe.400000.7.raw.unpackJoeSecurity_NymaimYara detected NymaimJoe Security
            0.0.file.exe.710e67.6.unpackJoeSecurity_NymaimYara detected NymaimJoe Security
              0.0.file.exe.400000.3.raw.unpackJoeSecurity_NymaimYara detected NymaimJoe Security
                Click to see the 45 entries
                No Sigma rule has matched
                No Snort rule has matched

                Click to jump to signature section

                Show All Signature Results

                AV Detection

                barindex
                Source: file.exeReversingLabs: Detection: 47%
                Source: http://208.67.104.97/powfhxhxcjzx/ping.php?sub=NOSUB&stream=start&substream=mixinteURL Reputation: Label: malware
                Source: http://208.67.104.97/powfhxhxcjzx/ping.php?sub=NOSUB&stream=mixtwo&substream=mixinteURL Reputation: Label: malware
                Source: http://208.67.104.97/powfhxhxcjzx/ping.php?sub=NOSUB&stream=start&substURL Reputation: Label: malware
                Source: http://171.22.30.106/library.phpURL Reputation: Label: malware
                Source: http://85.31.46.167/software.phpZVirustotal: Detection: 5%Perma Link
                Source: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\IE\0W10PBUV\soft[1]ReversingLabs: Detection: 28%
                Source: file.exeJoe Sandbox ML: detected
                Source: 00000000.00000000.271765385.0000000000710000.00000040.00001000.00020000.00000000.sdmpMalware Configuration Extractor: Nymaim {"C2 addresses": ["208.67.104.97", "85.31.46.167"]}