Report - vbc.exe

Formbook PWS .NET framework RAT AntiDebug AntiVM .NET EXE PE32 PE File
ScreenShot
Created 2023.04.26 18:15 Machine s1_win7_x6403
Filename vbc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
11.6
ZERO API file : malware
VT API (file) 44 detected (Noon, DownLoaderNET, GenericKD, FormBook, Kryptik, Vi0i, malicious, confidence, 100%, FGIA, score, PWSX, vqcpy, GenericV, ai score=86, Malware@#3ptrrb6uroaj7, Detected, Artemis, unsafe, Chgt, R002H0DDO23, MSIL@AI, MSIL2, UxKVAqwG0BmqZbNVjhXY9g, AIRB)
md5 fe889bf209a5e139d07c128c6d0ba877
sha256 9242b1d497cf232d201183851b93b19046929e39e5e512b87ea42f616d0784a4
ssdeep 1536:2qDlPCJE7I2SCQv4M/2O1DV9SA9Nayp6kZJ4PnXnaQQvMMMMMM1MMMMMIG:1S39iuYXn1Q7G
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (23cnts)

Level Description
danger File has been identified by 44 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
warning Generates some ICMP traffic
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch Communicates with host for which no DNS query was performed
watch Looks for the Windows Idle Time to determine the uptime
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 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 Yara rule detected in process memory
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 Uses Windows APIs to generate a cryptographic key

Rules (14cnts)

Level Name Description Collection
danger Win_Trojan_Formbook_m_Zero Used Formbook[m] memory
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 (upload)
info IsPE32 (no description) binaries (upload)
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 (upload)

Network (12cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.ahmedhussein.tech/my28/?kFQl2H=X1+ORJ0PqquAMwqRkudv2MXmW9g+6c2tmFrHnXo+N3P5UuIjhh51ghREFDJwWuIRTjSnOhJv&oX9=_0GXHXQPdFBhZ LT UAB Nacionalinis Telekomunikaciju Tinklas 84.32.84.32 clean
http://www.ki-ror.se/my28/?kFQl2H=4lfbIkXHco+fuMDhz2Un+xLdCLWdE3L2wwFDQBldcMLfj96ewRmoLvxyaijxNRtmHQY8ZyKd&oX9=_0GXHXQPdFBhZ SE Loopia AB 194.9.94.86 clean
http://www.davideal.com/my28/?kFQl2H=g8afGKt5BcK8YWBpPCZ4/pxfgmmwdPBJ2VKmtBKY2hxTlxLpEHHrWffhk8WAXZeJbBDqIDJo&oX9=_0GXHXQPdFBhZ Unknown 18.119.154.66 clean
http://172.245.214.178/007/Dblvvr.dat US AS-COLOCROSSING 172.245.214.178 mailcious
www.ahmedhussein.tech LT UAB Nacionalinis Telekomunikaciju Tinklas 84.32.84.32 clean
www.ki-ror.se SE Loopia AB 194.9.94.85 clean
www.immernochlustig.com Unknown clean
www.davideal.com Unknown 18.119.154.66 clean
84.32.84.32 LT UAB Nacionalinis Telekomunikaciju Tinklas 84.32.84.32 clean
194.9.94.86 SE Loopia AB 194.9.94.86 mailcious
18.119.154.66 Unknown 18.119.154.66 mailcious
172.245.214.178 US AS-COLOCROSSING 172.245.214.178 phishing

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