Windows Analysis Report
antiunpack_norm01_upx.exe

Overview

General Information

Sample name: antiunpack_norm01_upx.exe
Analysis ID: 1592452
MD5: 6516298cb80c3c4fc4d23a792ad647d8
SHA1: 3e198036ab2b1bcd9384bcd5670ad8390114ea4a
SHA256: b5ca4b3b318823ed414fca0b0d2aeda2954afd6a0f72eea76c02947a86a301c4
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

AI detected suspicious sample
PE file has nameless sections
Detected non-DNS traffic on DNS port
PE file contains sections with non-standard names
Sample execution stops while process was sleeping (likely an evasion)
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)

Classification

AV Detection
barindex
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 99.9% probability
Source: antiunpack_norm01_upx.exe Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT
Detected non-DNS traffic on DNS port
Source: global traffic TCP traffic: 192.168.2.4:65042 -> 162.159.36.2:53
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Source: unknown DNS traffic detected: query: 171.39.242.20.in-addr.arpa replaycode: Name error (3)
Source: unknown TCP traffic detected without corresponding DNS query: 162.159.36.2
Source: unknown TCP traffic detected without corresponding DNS query: 162.159.36.2
Source: unknown TCP traffic detected without corresponding DNS query: 162.159.36.2
Source: unknown TCP traffic detected without corresponding DNS query: 162.159.36.2
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic DNS traffic detected: DNS query: 171.39.242.20.in-addr.arpa

System Summary
barindex
PE file has nameless sections
Source: antiunpack_norm01_upx.exe Static PE information: section name:
Source: antiunpack_norm01_upx.exe Static PE information: section name:
Source: antiunpack_norm01_upx.exe Static PE information: section name:
Source: classification engine Classification label: mal48.winEXE@2/0@1/0
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:7316:120:WilError_03
Source: C:\Users\user\Desktop\antiunpack_norm01_upx.exe Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\antiunpack_norm01_upx.exe "C:\Users\user\Desktop\antiunpack_norm01_upx.exe"
Source: C:\Users\user\Desktop\antiunpack_norm01_upx.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\antiunpack_norm01_upx.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\antiunpack_norm01_upx.exe Section loaded: libgcc_s_seh-1.dll Jump to behavior
Source: C:\Users\user\Desktop\antiunpack_norm01_upx.exe Section loaded: libstdc++-6.dll Jump to behavior
Source: antiunpack_norm01_upx.exe Static PE information: Image base 0x140000000 > 0x60000000
Source: antiunpack_norm01_upx.exe Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT
PE file contains sections with non-standard names
Source: antiunpack_norm01_upx.exe Static PE information: section name:
Source: antiunpack_norm01_upx.exe Static PE information: section name:
Source: antiunpack_norm01_upx.exe Static PE information: section name:
Source: antiunpack_norm01_upx.exe Static PE information: section name: entropy: 7.838183543535868
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1592452 Sample: antiunpack_norm01_upx.exe Startdate: 16/01/2025 Architecture: WINDOWS Score: 48 11 171.39.242.20.in-addr.arpa 2->11 13 PE file has nameless sections 2->13 15 AI detected suspicious sample 2->15 7 antiunpack_norm01_upx.exe 1 2->7         started        signatures3 process4 process5 9 conhost.exe 7->9         started       
⊘No contacted IP infos

Contacted Domains

Name IP Active
171.39.242.20.in-addr.arpa unknown unknown