Report - CurrencyCalculatorInstaller.exe

RAT PWS .NET framework Generic Malware PE File .NET EXE PE32
ScreenShot
Created 2021.09.13 09:07 Machine s1_win7_x6401
Filename CurrencyCalculatorInstaller.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
4
Behavior Score
3.8
ZERO API file : clean
VT API (file) 3 detected (Malicious, score, susgen)
md5 c5cb4a9e57a7d9a0ef934bada91aa881
sha256 50bdec4c7757545f2e70044f68fd1df4df9e04234e6e52ab97adbf8264df623a
ssdeep 49152:qwV0ST+ihWKLEnFxcOpq3JoaSg29McLsTVK9MYXCb0nflNbyGqSw+W7SCaN:qwVNq/GIdOSRfsT2yb0fHu3lIN
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (11cnts)

Level Description
watch Looks for the Windows Idle Time to determine the uptime
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 File has been identified by 3 AntiVirus engines on VirusTotal as malicious
notice Performs some HTTP requests
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 This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (6cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://api.coinbase.com/v2/currencies US CLOUDFLARENET 104.18.7.10 clean
https://api.pro.coinbase.com/currencies US CLOUDFLARENET 104.18.15.237 clean
api.pro.coinbase.com US CLOUDFLARENET 104.18.14.237 clean
api.coinbase.com US CLOUDFLARENET 104.18.7.10 clean
104.18.15.237 US CLOUDFLARENET 104.18.15.237 clean
104.18.7.10 US CLOUDFLARENET 104.18.7.10 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