Report - SKBM-120821.exe

RAT PWS .NET framework Gen1 Generic Malware Malicious Packer UPX Malicious Library AntiDebug AntiVM .NET EXE PE File PE32 OS Processor Check DLL JPEG Format
ScreenShot
Created 2021.08.14 09:27 Machine s1_win7_x6402
Filename SKBM-120821.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
16.8
ZERO API file : clean
VT API (file) 22 detected (GenericRXPQ, starter, ali1000139, malicious, confidence, 100%, Kryptik, Eldorado, ACJY, Noon, PWSX, Dygg, Inject4, Artemis, Outbreak, AgentTesla, TelegramBot, Static AI, Suspicious PE, susgen, GenKryptik, FIVV, HgIASaQA)
md5 807a927252237ee6436724cbbcd05fa0
sha256 a03b45dabcaf812402454befd876b2eafbdf9e967f3bb01e66f33f3cabbdebd5
ssdeep 12288:SPqqPtYaerpyXOSs1vJhzl7txF3gSEyI32u6Yaer:wMrpW6vfl7hpE7mmr
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (38cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 22 AntiVirus engines on VirusTotal as malicious
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to access Bitcoin/ALTCoin wallets
watch Checks the CPU name from registry
watch Code injection by writing an executable or DLL to the memory of another process
watch Collects information about installed applications
watch Deletes executed files from disk
watch Harvests credentials from local email clients
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 created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice An executable file was downloaded by the process skbm-120821.exe
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice Executes one or more WMI queries
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 Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice Sends data using the HTTP POST Method
notice Steals private information from local Internet browsers
notice The binary likely contains encrypted or compressed data indicative of a packer
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info Queries for the computername
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (28cnts)

Level Name Description Collection
danger Win32_Trojan_Gen_1_0904B0_Zero Win32 Trojan Emotet binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Packer_Zero Malicious Packer binaries (download)
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
watch UPX_Zero UPX packed file binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (download)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (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 (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info JPEG_Format_Zero JPEG Format binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (download)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (11cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://zau.divendesign.in/3.jpg US UNIFIEDLAYER-AS-1 142.4.7.91 clean
http://zau.divendesign.in/1.jpg US UNIFIEDLAYER-AS-1 142.4.7.91 clean
http://zau.divendesign.in/7.jpg US UNIFIEDLAYER-AS-1 142.4.7.91 clean
http://zau.divendesign.in/ US UNIFIEDLAYER-AS-1 142.4.7.91 clean
http://zau.divendesign.in/5.jpg US UNIFIEDLAYER-AS-1 142.4.7.91 clean
http://zau.divendesign.in/main.php US UNIFIEDLAYER-AS-1 142.4.7.91 mailcious
http://zau.divendesign.in/2.jpg US UNIFIEDLAYER-AS-1 142.4.7.91 clean
http://zau.divendesign.in/6.jpg US UNIFIEDLAYER-AS-1 142.4.7.91 clean
http://zau.divendesign.in/4.jpg US UNIFIEDLAYER-AS-1 142.4.7.91 clean
zau.divendesign.in US UNIFIEDLAYER-AS-1 142.4.7.91 mailcious
142.4.7.91 US UNIFIEDLAYER-AS-1 142.4.7.91 mailcious

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