Report - ssltdzx.exe

AgentTesla UPX .NET framework(MSIL) KeyLogger AntiDebug AntiVM OS Processor Check .NET EXE PE File PE32
ScreenShot
Created 2023.07.25 18:49 Machine s1_win7_x6403
Filename ssltdzx.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
11.8
ZERO API file : malware
VT API (file) 51 detected (Common, Agensla, GenericKDZ, Trojanpws, FVKG, Save, TrojanPSW, malicious, confidence, 100%, Eldorado, Malcode, gdn34, high confidence, GenKryptik, GLYM, score, RATX, Gencirc, Nekark, ykdrz, DownLoaderNET, NEGASTEAL, YXDGUZ, Krypt, AgentTesla, ASBV, Detected, Injection, ai score=85, unsafe, Chgt, MSIL@AI, MSIL2, EpnCYP095FqKLa4bV, NkvA, Static AI, Malicious PE, susgen, Kryptik)
md5 dd2d413bc603305444c816d1cf84e2b6
sha256 af5ff2701cca14cba66a68ba693c09f4af809c61cee52dbc6a6a2bfa19fdc1f0
ssdeep 12288:2PYPfY76agwFYVYVTO+1L78FkX5h+6mtuhg4f1pdc94bl:2PYPg2aFO+p0kX5jR7d7l
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (25cnts)

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 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 Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
watch Manipulates memory of a non-child process indicative of process injection
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 Looks up the external IP address
notice One or more potentially interesting buffers were extracted
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 This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (17cnts)

Level Name Description Collection
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice KeyLogger Run a KeyLogger 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 OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory
info Win_Trojan_AgentTesla_M_Zero Win Trojan AgentTesla memory

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
api.ipify.org US WEBNX 104.237.62.211 clean
104.237.62.211 US WEBNX 104.237.62.211 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