Report - xles--088.exe

PWS .NET framework AsyncRAT backdoor
ScreenShot
Created 2021.04.23 18:17 Machine s1_win7_x6402
Filename xles--088.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
8.0
ZERO API file : malware
VT API (file) 18 detected (malicious, high confidence, PackedNET, Artemis, Unsafe, Kryptik, Eldorado, AAOD, CLOUD, Static AI, Malicious PE, Wacatac, Noon, confidence)
md5 9acd70f061b8eaffcf7fc7e8f0a79f7d
sha256 878c88ebbbda118b8e741514119e4df96cde65109c3dbb5d4d97e589bcf36166
ssdeep 12288:JDh4RObOJMZCZiZ6zRRRRRipVTx3AWXb6KP6KXrGBdcSKT2uJAEfiq70L/t4kqWg:JFOJZRRRRR+/XbzxSExacfiqQ5Dqp
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (17cnts)

Level Description
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 Communicates with host for which no DNS query was performed
watch File has been identified by 18 AntiVirus engines on VirusTotal as malicious
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 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 Uses Windows APIs to generate a cryptographic key

Rules (17cnts)

Level Name Description Collection
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
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 IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature Zero binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info IsNET_EXE (no description) binaries (upload)
info IsPacked Entropy Check binaries (upload)
info IsWindowsGUI (no description) binaries (upload)
info keylogger Run a keylogger binaries (upload)
info keylogger Run a keylogger memory
info network_tcp_listen Listen for incoming communication memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

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