Report - kl.exe

RAT Generic Malware Themida Packer UPX PE File OS Processor Check .NET EXE PE32
ScreenShot
Created 2021.08.17 17:39 Machine s1_win7_x6401
Filename kl.exe
Type PE32 executable (console) Intel 80386, for MS Windows
AI Score
5
Behavior Score
10.6
ZERO API file : clean
VT API (file) 35 detected (Reline, malicious, high confidence, Razy, Unsafe, Save, confidence, Attribute, HighConfidence, ccnc, FileRepMalware, Artemis, NetSteal, GGTXKH, KVMH008, kcloud, Sabsik, score, R429793, ai score=82, BScope, Wacatac, Generic@ML, RDML, m9hj3qgCiUkIiA1pjsw, Static AI, Malicious PE, susgen, PossibleThreat, HxMBUP0A)
md5 78ce66dca7949aa8182c81b20ae321a0
sha256 d20c74ab1bf100241bfe677fbe33dd68ab3b2a85627d1ba3eba2b634717e2cb8
ssdeep 49152:UzfvzOovcHxkpZBJYNQcc08E7QbtKM1iF3COcL7NUCrtLwOcUro2RP38+/gff:iKaZBCNZzPF3COCeSZpif
imphash 4328f7206db519cd4e82283211d98e83
impfuzzy 3:sUx2AEBquLdAIEK:nEBqMf
  Network IP location

Signature (25cnts)

Level Description
danger File has been identified by 35 AntiVirus engines on VirusTotal as malicious
watch Checks for the presence of known windows from debuggers and forensic tools
watch Checks the version of Bios
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Detects Virtual Machines through their custom firmware
watch Detects VMWare through the in instruction feature
watch Harvests credentials from local FTP client softwares
notice A process attempted to delay the analysis task.
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 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 Queries for potentially installed applications
notice Steals private information from local Internet browsers
notice The binary likely contains encrypted or compressed data indicative of a packer
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed
info Queries for the computername
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (8cnts)

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

Network (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://188.124.36.242:25802/ RU OOO Network of data-centers Selectel 188.124.36.242 clean
https://api.ip.sb/geoip US CLOUDFLARENET 104.26.13.31 clean
api.ip.sb US CLOUDFLARENET 104.26.13.31 clean
104.26.13.31 US CLOUDFLARENET 104.26.13.31 clean
188.124.36.242 RU OOO Network of data-centers Selectel 188.124.36.242 clean

Suricata ids

PE API

IAT(Import Address Table) Library

kernel32.dll
 0x45c078 GetModuleHandleA
mscoree.dll
 0x45c080 _CorExeMain

EAT(Export Address Table) is none



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