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Windows
Analysis Report
VmjvNTbD5J.exe
Overview
General Information
Sample name: | VmjvNTbD5J.exerenamed because original name is a hash value |
Original sample name: | 8ed2ebe94abc2758e4db53c476f8b7a69b5436fe176cba112802990547c5bb24.exe |
Analysis ID: | 1586717 |
MD5: | ab660c89d26121d4041874614646fd75 |
SHA1: | 586cb1d772f7f559786f4f5b2420e5ba5806815b |
SHA256: | 8ed2ebe94abc2758e4db53c476f8b7a69b5436fe176cba112802990547c5bb24 |
Tags: | exeuser-crep1x |
Infos: | |
Detection
Score: | 84 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Contains functionality for read data from the clipboard
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to dynamically determine API calls
Contains functionality to launch a program with higher privileges
Contains functionality to modify clipboard data
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to record screenshots
Contains functionality to retrieve information about pressed keystrokes
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates a process in suspended mode (likely to inject code)
Deletes files inside the Windows folder
Detected non-DNS traffic on DNS port
Detected potential crypto function
Dropped file seen in connection with other malware
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Drops files with a non-matching file extension (content does not match file extension)
Found dropped PE file which has not been started or loaded
Found evaded block containing many API calls
Found evasive API chain (date check)
Found evasive API chain (may stop execution after accessing registry keys)
Found evasive API chain checking for process token information
Found inlined nop instructions (likely shell or obfuscated code)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
May sleep (evasive loops) to hinder dynamic analysis
PE file contains an invalid checksum
PE file contains executable resources (Code or Archives)
PE file contains more sections than normal
PE file contains sections with non-standard names
Queries the installation date of Windows
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Uses Microsoft's Enhanced Cryptographic Provider
Uses code obfuscation techniques (call, push, ret)
Uses the system / local time for branch decision (may execute only at specific dates)
Classification
- System is w10x64
- VmjvNTbD5J.exe (PID: 6304 cmdline:
"C:\Users\ user\Deskt op\VmjvNTb D5J.exe" MD5: AB660C89D26121D4041874614646FD75) - VmjvNTbD5J.exe (PID: 6404 cmdline:
"C:\Window s\TEMP\{18 3D20FC-263 5-447B-B38 7-8CCFB162 6C88}\.cr\ VmjvNTbD5J .exe" -bur n.clean.ro om="C:\Use rs\user\De sktop\Vmjv NTbD5J.exe " -burn.fi lehandle.a ttached=56 4 -burn.fi lehandle.s elf=572 MD5: B153C388223577EA044ACA3908BE2935) - WebCopier.exe (PID: 6556 cmdline:
C:\Windows \TEMP\{AB6 ED4D2-8A43 -42EF-89A9 -2D0F6A021 EFE}\.ba\W ebCopier.e xe MD5: E2A27870BA4DA90DF6276C4DA9E3CF82) - WebCopier.exe (PID: 5264 cmdline:
C:\Users\u ser\AppDat a\Roaming\ ChromeQuic k_DVBv5\We bCopier.ex e MD5: E2A27870BA4DA90DF6276C4DA9E3CF82) - cmd.exe (PID: 1456 cmdline:
C:\Windows \SysWOW64\ cmd.exe MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 4900 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - EKU_Make_debug_v4.exe (PID: 4548 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\EKU_Mak e_debug_v4 .exe MD5: 967F4470627F823F4D7981E511C9824F)
- WebCopier.exe (PID: 2364 cmdline:
"C:\Users\ user\AppDa ta\Roaming \ChromeQui ck_DVBv5\W ebCopier.e xe" MD5: E2A27870BA4DA90DF6276C4DA9E3CF82) - cmd.exe (PID: 1836 cmdline:
C:\Windows \SysWOW64\ cmd.exe MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 3164 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - EKU_Make_debug_v4.exe (PID: 6284 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\EKU_Mak e_debug_v4 .exe MD5: 967F4470627F823F4D7981E511C9824F)
- cleanup
⊘No configs have been found
⊘No yara matches
⊘No Sigma rule has matched
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | ReversingLabs: | ||
Source: | ReversingLabs: | ||
Source: | ReversingLabs: |
Source: | ReversingLabs: |
Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: |
Source: | Code function: | 0_2_00007FF6570A44CC | |
Source: | Code function: | 0_2_00007FF6570A4460 | |
Source: | Code function: | 0_2_00007FF6570E73D0 | |
Source: | Code function: | 0_2_00007FF6570A40C4 | |
Source: | Code function: | 0_2_00007FF6570A2D04 | |
Source: | Code function: | 0_2_00007FF6570A2AEC | |
Source: | Code function: | 1_2_00007FF743D544CC | |
Source: | Code function: | 1_2_00007FF743D54460 | |
Source: | Code function: | 1_2_00007FF743D973D0 | |
Source: | Code function: | 1_2_00007FF743D52D04 | |
Source: | Code function: | 1_2_00007FF743D52AEC | |
Source: | Code function: | 1_2_00007FF743D540C4 | |
Source: | Code function: | 2_2_1000A940 | |
Source: | Code function: | 2_2_10006140 | |
Source: | Code function: | 2_2_10005980 | |
Source: | Code function: | 2_2_100059D0 | |
Source: | Code function: | 2_2_10005A30 | |
Source: | Code function: | 2_2_100032A0 | |
Source: | Code function: | 2_2_100042F0 | |
Source: | Code function: | 2_2_10005B00 | |
Source: | Code function: | 2_2_10005B20 | |
Source: | Code function: | 2_2_10008350 | |
Source: | Code function: | 2_2_10002BC0 | |
Source: | Code function: | 2_2_10004410 | |
Source: | Code function: | 2_2_10005C70 | |
Source: | Code function: | 2_2_10005CA0 | |
Source: | Code function: | 2_2_10007D40 | |
Source: | Code function: | 2_2_10005D50 | |
Source: | Code function: | 2_2_10005D80 | |
Source: | Code function: | 2_2_10005DF0 | |
Source: | Code function: | 2_2_10002E60 |
Source: | Static PE information: |
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |