Report - microC.exe

PWS .NET framework Generic Malware Malicious Packer DNS AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2021.07.07 10:57 Machine s1_win7_x6402
Filename microC.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
12.6
ZERO API file : malware
VT API (file) 32 detected (malicious, high confidence, FCZI, Unsafe, Save, Kryptik, Eldorado, ABVA, TrojanX, Inject4, Fareit, Static AI, Malicious PE, kcloud, AgentTesla, Nancat, KHUN0X, R002H01G621, Outbreak, Score, ABTH, susgen, GdSda, confidence)
md5 ed445c25db258c1b48eb141ea92f3c0f
sha256 832b52f374f6f80bf3c1203bb4aa9a93c19e0d10f98bf3d528fb09b4a529f8a9
ssdeep 12288:HqEyDcFWpI32qb/2RyHZ9eeMJ3D90/gI9UEYrJ3z9b10:ggcC3s8jy0R9UxrJ3z9b1
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (25cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 32 AntiVirus engines on VirusTotal as malicious
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
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 Installs itself for autorun at Windows startup
watch Looks for the Windows Idle Time to determine the uptime
watch One or more of the buffers contains an embedded PE file
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 Checks whether any human activity is being performed by constantly checking whether the foreground window changed
notice Connects to a Dynamic DNS Domain
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 Collects information to fingerprint the system (MachineGuid
info Queries for the computername

Rules (15cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Network_DNS Communications use DNS memory
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

Network (7cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://detectportal.firefox.com/success.txt?ipv4 US GOOGLE 34.107.221.82 clean
hhjhtggfr.duckdns.org NL LoveServers LTD 203.159.80.101 clean
mozilla.org US AMAZON-02 44.235.246.155 clean
prod.detectportal.prod.cloudops.mozgcp.net US GOOGLE 34.107.221.82 clean
detectportal.firefox.com US GOOGLE 34.107.221.82 clean
34.107.221.82 US GOOGLE 34.107.221.82 clean
203.159.80.101 NL LoveServers LTD 203.159.80.101 clean

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x11002000 _CorExeMain

EAT(Export Address Table) is none



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