Report - 187.exe

RAT Generic Malware UPX AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.11.05 09:21 Machine s1_win7_x6401
Filename 187.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
8.4
ZERO API file : clean
VT API (file)
md5 72f4779d8e2878b5aefb4fca91c7c5b0
sha256 7439282561b643dcb5665f12eda9805f6f240a9e8e62f9655f17c77845f79f87
ssdeep 12288:io5TScB4FHQ6eem6Inp5LQtCVG8jETBAa:iI41QDehIp6YgJua
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (19cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Checks the CPU name from registry
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 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
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 Executes one or more WMI queries
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
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 Collects information to fingerprint the system (MachineGuid
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (14cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
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_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://apps.identrust.com/roots/dstrootcax3.p7c US CCCH-3 23.216.159.81 clean
dl.uploadgram.me DE Hetzner Online GmbH 176.9.247.226 clean
apps.identrust.com US CCCH-3 23.216.159.9 clean
176.9.247.226 DE Hetzner Online GmbH 176.9.247.226 clean
185.117.90.36 NL HZ Hosting Ltd 185.117.90.36 clean
23.206.175.43 US NTT-COMMUNICATIONS-2914 23.206.175.43 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