Report - pdf.exe

UPX Malicious Library PWS SMTP AntiDebug AntiVM PE32 PE File .NET EXE
ScreenShot
Created 2023.11.21 08:02 Machine s1_win7_x6401
Filename pdf.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score Not founds Behavior Score
13.8
ZERO API file : malware
VT API (file) 46 detected (Lazy, PUPXDP, Save, malicious, confidence, 100%, Attribute, HighConfidence, high confidence, Kryptik, AHUA, PWSX, Fajl, vczyk, PackedNET, REDLINE, YXDKTZ, high, score, Static AI, Malicious PE, ai score=85, Detected, Leonem, 0L2M6C, R619960, Artemis, unsafe, MSIL@AI, MSIL2, iVgeoCbD85keER0AkP8q8A, susgen, AEBO, ZemsilF, @p0@aWKjuTci)
md5 ef9428407424cc578442727f6fe3bc5e
sha256 5a4da54758f9a1a86f382cc9808e3f8e925376693555e9f834807ca352ca761c
ssdeep 393216:CaFCt7regPFRhBfvhIq4zvAkXxj5dbwUWs6QxF6iu:RFcTP7LidzIwHTWlQxoz
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (29cnts)

Level Description
danger File has been identified by 46 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch A process attempted to delay the analysis task.
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 Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Harvests credentials from local FTP client softwares
watch One or more non-whitelisted processes were created
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 for the Locally Unique Identifier on the system for a suspicious privilege
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 for potentially installed applications
notice Steals private information from local Internet browsers
notice Terminates another process
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 Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (18cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
notice Network_SMTP_dotNet Communications smtp memory
info anti_dbg Checks if being debugged 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 (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
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 ?
103.212.81.155 Unknown 103.212.81.155 clean
91.215.85.23 RU Petersburg Internet Network ltd. 91.215.85.23 mailcious

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