Report - brandrock.exe

NPKI HermeticWiper Generic Malware NSIS Suspicious_Script Malicious Library UPX Antivirus Malicious Packer Admin Tool (Sysinternals etc ...) Anti_VM Javascript_Blob AntiDebug AntiVM PE32 PE File .NET EXE PNG Format JPEG Format OS Processor Check ZIP Forma
ScreenShot
Created 2023.11.20 09:58 Machine s1_win7_x6401
Filename brandrock.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score Not founds Behavior Score
10.8
ZERO API file : malware
VT API (file)
md5 deb1df6e8090653848506c1e9a1e32f8
sha256 8817cbb6de1446a920401a072df1453459aa95684ffc7da9c05ca759b1836c0c
ssdeep 196608:WgDX5c0qzDZFcwUe0IssfcRpQbXkLWjRppNaA/vc2dMMM+fBRhu:WgDpc0eZ+Le0Yqab0ajzpNlvJO+N
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (22cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to identify installed AV products by installation directory
watch Deletes a large number of files from the system indicative of ransomware
watch Deletes executed files from disk
watch Detects Avast Antivirus through the presence of a library
watch Detects VirtualBox through the presence of a file
watch Drops 105 unknown file mime types indicative of ransomware writing encrypted files back to disk
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice Allocates read-write-execute memory (usually to unpack itself)
notice Creates executable files on the filesystem
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice One or more potentially interesting buffers were extracted
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed

Rules (37cnts)

Level Name Description Collection
danger HermeticWiper_Zero HermeticWiper binaries (download)
danger NPKI_Zero File included NPKI binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (download)
warning NSIS_Installer Null Soft Installer binaries (download)
warning Suspicious_Obfuscation_Script Suspicious obfuscation script binaries (download)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch UPX_Zero UPX packed file binaries (download)
notice anti_vm_detect Possibly employs anti-virtualization techniques binaries (download)
notice Javascript_Blob use blob(Binary Large Objec) javascript binaries (download)
info bmp_file_format bmp file format binaries (download)
info CAB_file_format CAB archive file binaries (download)
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info DllRegisterServer_Zero execute regsvr32.exe binaries (download)
info icon_file_format icon file format binaries (download)
info Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info IsPE64 (no description) binaries (download)
info JPEG_Format_Zero JPEG Format binaries (download)
info Microsoft_Office_File_Zero Microsoft Office File binaries (download)
info mzp_file_format MZP(Delphi) file format binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info PNG_Format_Zero PNG Format binaries (download)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info zip_file_format ZIP file format binaries (download)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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