Report - IMG-521000400034_AF30004.exe

Azorult .NET framework AsyncRAT backdoor
ScreenShot
Created 2021.03.11 18:50 Machine s1_win7_x6402
Filename IMG-521000400034_AF30004.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
4.0
ZERO API file : clean
VT API (file) 20 detected (GenericRXNW, Save, malicious, confidence, Kryptik, Eldorado, score, Agensla, Unsafe, 100%, Woreflint, R371442, Static AI, Malicious PE)
md5 8aab6881d976ecdd6571a2ac4ed11af0
sha256 a6bec9d9527e9ddf4e153192f5d945e4de63e96da8ef2af4c12f81aec20bff8e
ssdeep 98304:37LCYssZaA39vU2sXvhqMBME8m5rHfUM:HCYsC3xJEqMBx5r/
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (11cnts)

Level Description
warning File has been identified by 20 AntiVirus engines on VirusTotal as malicious
watch Communicates with host for which no DNS query was performed
notice A process attempted to delay the analysis task.
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 The binary likely contains encrypted or compressed data indicative of a packer
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info Uses Windows APIs to generate a cryptographic key

Rules (7cnts)

Level Name Description Collection
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature Zero binaries (upload)
info IsNET_EXE (no description) binaries (upload)
info IsPacked Entropy Check binaries (upload)
info IsWindowsGUI (no description) binaries (upload)
info Win32_Trojan_PWS_Azorult_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
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
 0x852000 _CorExeMain

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure