Report - ansazx.exe

Formbook Generic Malware Antivirus PWS AntiDebug AntiVM .NET EXE PE32 PE File
ScreenShot
Created 2023.06.27 19:57 Machine s1_win7_x6401
Filename ansazx.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
11.0
ZERO API file : malware
VT API (file) 40 detected (Remcos, Strictor, Artemis, Kryptik, Vige, malicious, Eldorado, Malcode, gdn34, high confidence, GenKryptik, GLFF, score, PWSX, Inject4, moderate, Static AI, Malicious PE, GrayWare, Sabsik, Detected, ZemsilF, Mm0@aOJcJpl, ai score=88, unsafe, MSIL@AI, MSIL2, 4M13EgqcxLlQejDtjbvQ3A, susgen, AJCW, confidence, 100%)
md5 1d132b7a35d336fc7b2aba2c52346f3f
sha256 fa50f197e39eb37efdbd83462dd11e3057e45f88d9acb8b7e99c50c44c1936b7
ssdeep 12288:UVpoPD6nPc839qzcD3SBW2/kBLpNtPimpdNj5py5hyXA:cpm0zDXZpL1pdnp4oQ
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (24cnts)

Level Description
danger File has been identified by 40 AntiVirus engines on VirusTotal as malicious
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 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 The process powershell.exe wrote an executable file to disk
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice A process created a hidden window
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 Creates a shortcut to an executable file
notice Creates a suspicious process
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
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 Command line console output was observed
info Queries for the computername
info This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (14cnts)

Level Name Description Collection
danger Win_Trojan_Formbook_m_Zero Used Formbook[m] memory
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Antivirus Contains references to security software binaries (download)
notice Generic_PWS_Memory_Zero PWS Memory 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

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.mymatam.com/fg58/?KzrtE=WpDF5rR8GhL85HDW55HvY2UzFumc4+CxavBF5rgmPNYEZf40Rr2HPxuZ1925OstCFu5iCPlj&p0G=kJEPdT4hIPU4hj MY GB Network Solutions Sdn. Bhd. 103.28.91.20 clean
www.mymatam.com MY GB Network Solutions Sdn. Bhd. 103.28.91.20 clean
103.28.91.20 MY GB Network Solutions Sdn. Bhd. 103.28.91.20 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