Report - BRR.exe

Lazarus Family Themida Packer UPX Malicious Library Anti_VM .NET EXE PE File PE32
ScreenShot
Created 2023.08.11 08:52 Machine s1_win7_x6403
Filename BRR.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
8
Behavior Score
8.4
ZERO API file : malware
VT API (file)
md5 1bf35ce85d9dabad107f0bbea91a0579
sha256 19f301313e2b0cb48c422765f6306b7dd5ef26f1984eb9cad750546836aaa2fe
ssdeep 49152:rpcDOPMLcBHulDAmyXX4gu+kP3I0GrKOKHHhKmYfAdHxX:rGOPMAGhyn4gu+kMAHHSoZxX
imphash 4328f7206db519cd4e82283211d98e83
impfuzzy 3:sUx2AEBquLdAIEK:nEBqMf
  Network IP location

Signature (21cnts)

Level Description
watch A process attempted to delay the analysis task.
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 Looks for the Windows Idle Time to determine the uptime
notice Allocates read-write-execute memory (usually to unpack itself)
notice Expresses interest in specific running processes
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 (8cnts)

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)
watch UPX_Zero UPX packed file binaries (upload)
notice anti_vm_detect Possibly employs anti-virtualization techniques 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 (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
95.143.190.57 Unknown 95.143.190.57 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

kernel32.dll
 0x4aa078 GetModuleHandleA
mscoree.dll
 0x4aa080 _CorExeMain

EAT(Export Address Table) is none



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