Report - RFQ_ref-02090100233.exe

Emotet RAT Generic Malware UPX SMTP KeyLogger AntiDebug AntiVM PE File OS Processor Check PE32 .NET EXE
ScreenShot
Created 2021.11.02 11:47 Machine s1_win7_x6401
Filename RFQ_ref-02090100233.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
3
Behavior Score
11.8
ZERO API file : clean
VT API (file) 31 detected (ClipBanker, malicious, high confidence, Mardom, Unsafe, Save, confidence, 100%, Kryptik, Eldorado, Attribute, HighConfidence, ACKH, InjectorX, Artemis, Static AI, Malicious PE, ai score=89, AgentTesla, score, Tdfl, ZemsilF, 6m0@auNx0SiG)
md5 cbf1876a063270b217a80812e315aec3
sha256 cb74eac2ba359f111af4743506eb17b9fb63db2d3f2cfd31e5441242158cfb97
ssdeep 12288:5KmxvUyFPWPY04aKGTpnVbPdVQzUYX8VFDORG1an3:KY04avpnVbPdywYIcRGE3
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 31 AntiVirus engines on VirusTotal as malicious
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 Installs itself for autorun at Windows startup
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 A process attempted to delay the analysis task.
notice A process created a hidden window
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 Connects to a Dynamic DNS Domain
notice Creates a suspicious process
notice Looks up the external IP address
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Uses Windows utilities for basic Windows functionality
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

Rules (20cnts)

Level Name Description Collection
danger Win32_Trojan_Emotet_2_Zero Win32 Trojan Emotet binaries (upload)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
notice KeyLogger Run a KeyLogger memory
notice Network_SMTP_dotNet Communications smtp memory
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (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 OS_Processor_Check_Zero OS Processor Check 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_hook Affect hook table memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (4cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://checkip.dyndns.org/ US DYNDNS 216.146.43.70 clean
checkip.dyndns.org US DYNDNS 216.146.43.70 clean
193.122.130.0 US ORACLE-BMC-31898 193.122.130.0 clean
104.21.19.200 US CLOUDFLARENET 104.21.19.200 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