Report - builder.exe

BlackMatter Ransomware Malicious Packer UPX PE File PE32
ScreenShot
Created 2024.10.15 14:27 Machine s1_win7_x6401
Filename builder.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
5
Behavior Score
0.4
ZERO API file : malware
VT API (file)
md5 c2bc344f6dde0573ea9acdfb6698bf4c
sha256 a736269f5f3a9f2e11dd776e352e1801bc28bb699e47876784b8ef761e0062db
ssdeep 12288:CzVXpdg/1MB94JD7RfaVT1hG98P67PNV3giFH6J1VjR3L6dpbQrQyEpInmwuRUfB:CzxjgdRpBq1hG98P67PNV3giFH6J1Vjn
imphash d2e26e45dcb84f1062f90f29a9cf0faa
impfuzzy 12:SDHqZG6OV0Cjup+pyvJDv0FTFYGqBJq/nAP3ZDam:S7+/Ojup+pCJqyGq/q23Am
  Network IP location

Signature (1cnts)

Level Description
notice The binary likely contains encrypted or compressed data indicative of a packer

Rules (5cnts)

Level Name Description Collection
danger BlackMatter_Ransomware_IN BlackMatter Ransomware binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

USER32.dll
 0x40603c MessageBoxW
KERNEL32.dll
 0x406000 LoadResource
 0x406004 WriteFile
 0x406008 CreateFileW
 0x40600c ExitProcess
 0x406010 FindResourceW
 0x406014 GetCommandLineW
 0x406018 GetFileSize
 0x40601c GetModuleHandleW
 0x406020 GlobalFree
 0x406024 SizeofResource
 0x406028 LockResource
 0x40602c ReadFile
SHELL32.dll
 0x406034 CommandLineToArgvW
msvcrt.dll
 0x40604c _wcsicmp
 0x406050 memcpy
 0x406054 memset
 0x406058 sprintf
 0x40605c strchr
 0x406060 strcpy
 0x406064 strlen
 0x406068 strstr
 0x40606c wcscat
 0x406070 wcscpy
 0x406074 wcslen
 0x406078 wcsrchr
 0x40607c localeconv
 0x406080 _stricmp
 0x406084 _strcmpi
 0x406088 tolower
 0x40608c realloc
 0x406090 malloc
 0x406094 free
 0x406098 strtod
 0x40609c strncmp
imagehlp.dll
 0x406044 CheckSumMappedFile
ntdll.dll
 0x4060a4 RtlFreeHeap
 0x4060a8 RtlAllocateHeap
 0x4060ac NtClose
 0x4060b0 RtlImageNtHeader

EAT(Export Address Table) is none



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