Report - 1.exe

PWS[m] RAT UPX SMTP KeyLogger AntiDebug AntiVM PE32 PE File .NET EXE
ScreenShot
Created 2022.08.16 10:27 Machine s1_win7_x6401
Filename 1.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
12
Behavior Score
12.4
ZERO API file : malware
VT API (file) 32 detected (AIDetectNet, Unsafe, Save, runner, ali1000123, malicious, ZemsilF, pm0@aGh3q9hO, Eldorado, Attribute, HighConfidence, high confidence, Kryptik, AFZX, PWSX, moderate, score, S + Mal, Static AI, Malicious PE, Detected, HackTool, Mimikatz, Artemis, MachineLearning, Anomalous, MSIL@AI, bmodEn50C, BmEqoNNheDJg, AgentTesla, susgen, confidence, 100%)
md5 fbde807c77c8a702774129ac160bb75b
sha256 f65884056c28b6bc4745e21b94b7c46e36a59009645bbae4122df2f418c7026f
ssdeep 6144:rLHzFCZNq9QYwG4CLH/75TupRUcSwAl3:/wHq974U/75TuccSdl3
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (26cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 32 AntiVirus engines on VirusTotal as malicious
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 Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
watch Looks for the Windows Idle Time to determine the uptime
watch Makes SMTP requests
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 Performs some HTTP requests
notice Steals private information from local Internet browsers
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 The file contains an unknown PE resource name possibly indicative of a packer
info Uses Windows APIs to generate a cryptographic key

Rules (17cnts)

Level Name Description Collection
watch UPX_Zero UPX packed file binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger 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 (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
info win_hook Affect hook table memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://apps.identrust.com/roots/dstrootcax3.p7c KR Korea Telecom 119.207.65.137 clean
apps.identrust.com KR Korea Telecom 119.207.65.153 clean
mail.obrascsm.com ES OVH SAS 91.134.184.195 clean
91.134.184.195 ES OVH SAS 91.134.184.195 clean
23.216.159.9 US CCCH-3 23.216.159.9 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