Report - 3306.exe

Malicious Packer UPX Malicious Library PE File OS Processor Check PE32 DLL
ScreenShot
Created 2021.10.02 12:56 Machine s1_win7_x6402
Filename 3306.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
8
Behavior Score
2.2
ZERO API file : clean
VT API (file)
md5 22858abb5a0f5c76115674d9ef7fe1cc
sha256 4fe96b4353ad07439307eda82ce0936778a0dd86022532978a7447bfeb75d55a
ssdeep 768:jbz3IhpglwpDEq2m0j6Tf8V4Ie7ZZa3R1fb961vNPrl7sJnCJ0ukN:n4+wpDElm2IAUZZo1fbs1RVsZCJ0H
imphash d9c7208ff3022bb34870c7ddeb406eb1
impfuzzy 12:PcG2MJyBNEv+69A/DhLSJtPXJtej7kEsy2wOYrOoQHAd:PcdMEBOd90Dhkdbej9/2wOYrOoBd
  Network IP location

Signature (5cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch Installs itself for autorun at Windows startup
notice Creates a service
notice Foreign language identified in PE resource
info The file contains an unknown PE resource name possibly indicative of a packer

Rules (13cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
watch UPX_Zero UPX packed file binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
caiyundf.cn CN CHINANET Liaoning province Dalian MAN network 103.45.185.68 clean
142.250.204.46 US GOOGLE 142.250.204.46 clean
103.45.185.68 CN CHINANET Liaoning province Dalian MAN network 103.45.185.68 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

MFC42.DLL
 0x40204c None
 0x402050 None
 0x402054 None
 0x402058 None
 0x40205c None
 0x402060 None
MSVCRT.dll
 0x402068 strstr
 0x40206c _except_handler3
 0x402070 __CxxFrameHandler
 0x402074 _access
 0x402078 srand
 0x40207c rand
 0x402080 _mkdir
KERNEL32.dll
 0x402000 GetTickCount
 0x402004 LoadLibraryA
 0x402008 GetProcAddress
 0x40200c GetLocalTime
 0x402010 lstrcpyA
 0x402014 GetFileAttributesA
 0x402018 GetLastError
 0x40201c SetUnhandledExceptionFilter
 0x402020 CreateThread
 0x402024 WaitForSingleObject
 0x402028 ExpandEnvironmentStringsA
 0x40202c DeleteFileA
 0x402030 MoveFileExA
 0x402034 CloseHandle
 0x402038 WriteFile
 0x40203c CreateFileA
 0x402040 FreeLibrary
 0x402044 GetCommandLineA
USER32.dll
 0x402088 wsprintfA

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure