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Windows Analysis Report


General Information

Sample Name:file.exe
Analysis ID:715150


Range:0 - 100


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)


  • 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": ["", ""]}
00000000.00000000.261344459.0000000000710000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_NymaimYara detected NymaimJoe Security
    • 0x30d:$a: 0C 8B 45 F0 89 45 C8 8B 45 C8 8B 40 3C 8B 4D F0 8D 44 01 04 89
    00000000.00000000.271765385.0000000000710000.00000040.00001000.00020000.00000000.sdmpJoeSecurity_NymaimYara detected NymaimJoe Security
      • 0x30d:$a: 0C 8B 45 F0 89 45 C8 8B 45 C8 8B 40 3C 8B 4D F0 8D 44 01 04 89
      • 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
      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

                Source: file.exeReversingLabs: Detection: 47%
                Source: Reputation: Label: malware
                Source: Reputation: Label: malware
                Source: Reputation: Label: malware
                Source: Reputation: Label: malware
                Source: 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": ["", ""]}
                Source: file.exeStatic PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, 32BIT_MACHINE
                Source: C:\Users\user\Desktop\file.exeFile opened: C:\Windows\SysWOW64\msvcr100.dll
                Source: unknownHTTPS traffic detected: -> version: TLS 1.2
                Source: Binary string: [C:\zakalajoviziw83\mali-xaduvovije95\bahowe\51\xayiziket\fov.pdbPXC-@ source: file.exe
                Source: Binary string: C:\zakalajoviziw83\mali-xaduvovije95\bahowe\51\xayiziket\fov.pdb source: file.exe