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Windows
Analysis Report
file.exe
Overview
General Information
Detection
Nymaim
Score: | 88 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Detected unpacking (overwrites its own PE header)
Yara detected Nymaim
Detected unpacking (changes PE section rights)
Antivirus detection for URL or domain
Multi AV Scanner detection for dropped file
Machine Learning detection for dropped file
C2 URLs / IPs found in malware configuration
Uses 32bit PE files
Antivirus or Machine Learning detection for unpacked file
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
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Found evasive API chain (date check)
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to call native functions
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
Contains functionality which may be used to detect a debugger (GetProcessHeap)
PE file contains executable resources (Code or Archives)
IP address seen in connection with other malware
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Sample file is different than original file name gathered from version info
Extensive use of GetProcAddress (often used to hide API calls)
Drops PE files
Contains functionality to read the PEB
Found evasive API chain checking for process token information
Uses taskkill to terminate processes
Dropped file seen in connection with other malware
Uses Microsoft's Enhanced Cryptographic Provider
Contains functionality to detect sandboxes (foreground window change detection)
Creates a process in suspended mode (likely to inject code)
Classification
- System is w10x64
- file.exe (PID: 5504 cmdline:
C:\Users\u ser\Deskto p\file.exe MD5: BA5CB5CABBCEFB36996BD213B8C1D284) - is-L5RJL.tmp (PID: 5980 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\is-VIR RO.tmp\is- L5RJL.tmp" /SL4 $204 2C "C:\Use rs\user\De sktop\file .exe" 2325 944 52736 MD5: 7CD12C54A9751CA6EEE6AB0C85FB68F5) - fhsearcher65.exe (PID: 6124 cmdline:
"C:\Progra m Files (x 86)\fhSear cher\fhsea rcher65.ex e" MD5: 92872B286EA229891C32DECA72ACBBAC) - qFUx6kqeb.exe (PID: 4368 cmdline:
MD5: 3FB36CB0B7172E5298D2992D42984D06) - cmd.exe (PID: 784 cmdline:
"C:\Window s\System32 \cmd.exe" /c taskkil l /im "fhs earcher65. exe" /f & erase "C:\ Program Fi les (x86)\ fhSearcher \fhsearche r65.exe" & exit MD5: F3BDBE3BB6F734E357235F4D5898582D) - conhost.exe (PID: 4728 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - taskkill.exe (PID: 4092 cmdline:
taskkill / im "fhsear cher65.exe " /f MD5: 15E2E0ACD891510C6268CB8899F2A1A1)
- cleanup
{"C2 addresses": ["45.139.105.1", "85.31.46.167", "107.182.129.235", "171.22.30.106"]}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Nymaim | Yara detected Nymaim | Joe Security | ||
JoeSecurity_Nymaim | Yara detected Nymaim | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Nymaim | Yara detected Nymaim | Joe Security | ||
JoeSecurity_Nymaim | Yara detected Nymaim | Joe Security | ||
JoeSecurity_Nymaim | Yara detected Nymaim | Joe Security | ||
JoeSecurity_Nymaim | Yara detected Nymaim | Joe Security |
⊘No Sigma rule has matched
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | URL Reputation: | ||
Source: | URL Reputation: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: |
Source: | ReversingLabs: |
Source: | Joe Sandbox ML: |
Source: | Avira: | ||
Source: | Avira: | ||
Source: | Avira: |
Source: | Malware Configuration Extractor: |
Source: | Code function: | 1_2_0045A060 | |
Source: | Code function: | 1_2_0045A114 | |
Source: | Code function: | 1_2_0045A12C | |
Source: | Code function: | 1_2_10001000 | |
Source: | Code function: | 1_2_10001130 | |
Source: | Code function: | 2_2_00403770 |
Compliance |
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Source: | Unpacked PE file: |
Source: | Static PE information: |
Source: | Code function: |