Report - rusk.exe

Themida Packer Admin Tool (Sysinternals etc ...) PE File .NET EXE PE32
ScreenShot
Created 2021.09.15 07:55 Machine s1_win7_x6402
Filename rusk.exe
Type PE32 executable (console) Intel 80386, for MS Windows
AI Score
5
Behavior Score
11.2
ZERO API file : clean
VT API (file) 22 detected (malicious, high confidence, Artemis, Unsafe, Attribute, HighConfidence, a variant of Generik, CKAZGWH, aazw, ccnc, Obfuscated, ai score=86, Sabsik, score, R429793, BScope, Fuerboos, Static AI, Suspicious PE, susgen)
md5 b5faf0605f312ebc4ba7db08e4642530
sha256 2a56b3611ae3db3043fd559d18c2c02399a6c7889606c0b9e3fcee4cee3fed1f
ssdeep 49152:lk6EteyQS1IGF4Z3BA6n/IHkGP2xhw8QRvMDBPgjj8b8e0n15Bm/+YvDKRJn2ivE:m6NmCAHkGufwtRyc8un13m7rGJ2iCv
imphash 4328f7206db519cd4e82283211d98e83
impfuzzy 3:sUx2AEBquLdAIEK:nEBqMf
  Network IP location

Signature (27cnts)

Level Description
warning File has been identified by 22 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
watch Looks for the Windows Idle Time to determine the uptime
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 Expresses interest in specific running processes
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 The file contains an unknown PE resource name possibly indicative of a packer
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (5cnts)

Level Name Description Collection
warning themida_packer themida packer binaries (upload)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (4cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://api.ip.sb/geoip US CLOUDFLARENET 172.67.75.172 clean
api.ip.sb US CLOUDFLARENET 104.26.13.31 clean
172.67.75.172 US CLOUDFLARENET 172.67.75.172 mailcious
144.76.183.53 DE Hetzner Online GmbH 144.76.183.53 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

kernel32.dll
 0x520078 GetModuleHandleA
mscoree.dll
 0x520080 _CorExeMain

EAT(Export Address Table) is none



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