Report - c35f4ebfa52e9f721f843eac4e01e981.exe

AgentTesla email stealer Downloader .NET framework(MSIL) Socket Escalate priviledges Code injection PWS Sniff Audio DNS ScreenShot persistence KeyLogger AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2023.07.04 16:15 Machine s1_win7_x6401
Filename c35f4ebfa52e9f721f843eac4e01e981.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
15.2
ZERO API file : clean
VT API (file) 51 detected (Taskun, MSILHeracles, unsafe, Save, AgentTesla, malicious, Eldorado, Malcode, gdn34, high confidence, Kryptik, AGen, score, RATX, Gencirc, Siggen21, WARZONE, YXDF4Z, Detected, Artemis, ai score=85, HeapOverride, Chgt, MSIL@AI, MSIL2, Okucsq0zxg9lprBreNMFYg, Static AI, Malicious PE, susgen, PWSX, ZemsilF, Ym0@a4zGrWf, confidence, 100%)
md5 c35f4ebfa52e9f721f843eac4e01e981
sha256 41a043754970c26089f019e1a5697f5c313b04a50edd76ade835d7e78c4c1658
ssdeep 12288:nqmfOzGV2umg0UnNNeXIy3zCSkwhLwzMFt4IR4fNF74eSEXGe/XQbLtzHbMU4F+y:nFfO0BmgNivxzLwIFt4pNFY6
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (33cnts)

Level Description
danger File has been identified by 51 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 Attempts to remove evidence of file being downloaded from the Internet
watch Code injection by writing an executable or DLL to the memory of another process
watch Communicates with host for which no DNS query was performed
watch Harvests credentials from local email clients
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 The process powershell.exe wrote an executable file to disk
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice A process created a hidden window
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 a shortcut to an executable file
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Executes one or more WMI queries
notice One or more potentially interesting buffers were extracted
notice Potentially malicious URLs were found in the process memory dump
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice Steals private information from local Internet browsers
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Uses Windows utilities for basic Windows functionality
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (24cnts)

Level Name Description Collection
danger Win_Trojan_AgentTesla_IN_Zero Win Trojan AgentTesla binaries (upload)
warning infoStealer_emailClients_Zero email clients info stealer memory
watch Network_Downloader File Downloader memory
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
notice Network_DNS Communications use DNS memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice Persistence Install itself for autorun at Windows startup memory
notice ScreenShot Take ScreenShot memory
notice Sniff_Audio Record Audio 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 (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 (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
microsoft.com US MICROSOFT-CORP-MSN-AS-BLOCK 20.112.250.133 clean
20.236.44.162 US MICROSOFT-CORP-MSN-AS-BLOCK 20.236.44.162 clean
194.147.140.197 GB Patron Technology Persia Ltd 194.147.140.197 clean

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