Report - jj.exe

Lazarus Family Themida Packer Malicious Library PE File .NET EXE PE32
ScreenShot
Created 2021.09.13 08:58 Machine s1_win7_x6402
Filename jj.exe
Type PE32 executable (console) Intel 80386, for MS Windows
AI Score
7
Behavior Score
10.6
ZERO API file : malware
VT API (file) 27 detected (malicious, high confidence, Unsafe, Save, confidence, Attribute, HighConfidence, ccnc, KVMH008, kcloud, aawo, Sabsik, score, R429793, Artemis, BScope, TrojanPSW, Generic@ML, RDML, Pit7N5lMnB18T2xfZNHvPA, Static AI, Malicious PE, susgen, ZexaF, 4E0@aSJn2uiO)
md5 91099022e0883c28b73aaf924b6b238b
sha256 a7153e74f8162317b8cb19cd02f9e09637c9e4050bc32d26d36ea974852fc784
ssdeep 49152:VahUh96MOKaLMMt8ysINpHesvtTuftUvuvKu0wwVuaUEDKFwCZN:VahUh96MOK43t71+4tqUvuvn4Mas77
imphash 4328f7206db519cd4e82283211d98e83
impfuzzy 3:sUx2AEBquLdAIEK:nEBqMf
  Network IP location

Signature (25cnts)

Level Description
warning File has been identified by 27 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 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 (6cnts)

Level Name Description Collection
danger Lazarus_Zero Lazarus Generic Malware binaries (upload)
warning themida_packer themida packer binaries (upload)
watch Malicious_Library_Zero Malicious_Library 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
46.8.153.119 Unknown 46.8.153.119 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

kernel32.dll
 0x4e8078 GetModuleHandleA
mscoree.dll
 0x4e8080 _CorExeMain

EAT(Export Address Table) is none



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