Report - spfasiazx.exe

Formbook PWS AntiDebug AntiVM PE32 PE File .NET EXE
ScreenShot
Created 2023.12.20 07:51 Machine s1_win7_x6401
Filename spfasiazx.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
10.2
ZERO API file : clean
VT API (file)
md5 89ebe827b46d7e08adb6aa47e3761fed
sha256 13b7466c7a14443b730d635559302d0baa822e5c0bbe1ce4ec6cd9e1ea9d317c
ssdeep 12288:eaH2iNT0oLtjMvbF4y+D3wfGauc250jX+LCz7:ey1agajF4dDDcE0jX9
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (22cnts)

Level Description
danger Executed a process and injected code into it
warning Generates some ICMP traffic
watch A process attempted to delay the analysis task.
watch A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations.
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch Looks for the Windows Idle Time to determine the uptime
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 Checks adapter addresses which can be used to detect virtual network interfaces
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice One or more potentially interesting buffers were extracted
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
info Queries for the computername
info This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (12cnts)

Level Name Description Collection
danger Win_Trojan_Formbook_Zero Used Formbook binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
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 Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
spf-asia.com GB Hydra Communications Ltd 185.38.151.11 clean
185.38.151.11 GB Hydra Communications Ltd 185.38.151.11 malware

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