Report - win32.exe

Malicious Library
ScreenShot
Created 2021.04.26 18:12 Machine s1_win7_x6402
Filename win32.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
7.8
ZERO API file : clean
VT API (file) 13 detected (malicious, high confidence, Artemis, confidence, Malcode, gdn30, Static AI, Malicious PE, score, susgen)
md5 6fb264671c6043faa04905eb607b9b17
sha256 bac6aadce08ae2409c8cf729dd6b3109ac60c0504d4aaa13b125b6039d880356
ssdeep 24576:18wN+tgBloWWFxF7D9CiPDym4D61/CjU2zB:K2+2noP3vcih4DHU4
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (16cnts)

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 13 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 Uses Windows APIs to generate a cryptographic key

Rules (13cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library 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)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
172.67.188.154 US CLOUDFLARENET 172.67.188.154 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