Report - vbc.exe

Formbook RAT AntiDebug AntiVM PE32 PE File .NET EXE
ScreenShot
Created 2022.08.23 18:53 Machine s1_win7_x6401
Filename vbc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
8.6
ZERO API file : clean
VT API (file)
md5 2674c3308d36490bbf35c17b56befe38
sha256 108f6e6c2d0e6fb6845cad8598b7fe455d6e35fb35d9effc82f419aa3f1c8115
ssdeep 6144:I6GN2X4JvwQW4MD3HYhngnatpuHPG0Y8vi/fl8fuzSWQp17:LGNQQE5khngnfG0kfWGA7
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (18cnts)

Level Description
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
danger Executed a process and injected code into it
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 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 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 The binary likely contains encrypted or compressed data indicative of a packer
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 This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (13cnts)

Level Name Description Collection
danger Win_Trojan_Formbook_m_Zero Used Formbook[m] memory
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 (28cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.vrmonster.xyz/zgtb/?rV0Dp0=yGWCvZ6aXyPwd/HaByyb1PcjzSfhPJ4mPOKYFhnxq8MOGNJ9WwwNGvqQXAUdDfxSPUTOhpzO&VRKt=wBZhTR28eHU8oX Unknown 199.59.243.220 18924 mailcious
http://www.fxivcama.com/zgtb/?rV0Dp0=0cXM1yajRVYT+Sf+AOTFp2noOU25hrpEDqSUA+OhbGVgDEpEovrOWBIqAtDi4kK6U4QSsOxc&VRKt=wBZhTR28eHU8oX US FORTRESSITX 69.57.161.210 18850 mailcious
http://www.groupeinvictuscorporation.com/zgtb/?rV0Dp0=IMEWREyt93k8WN2P6tFyYGTowkTAVD/ankE6vsOOfkwqV9OcF+fH7h0AGDSndfQDZwle3EBF&VRKt=wBZhTR28eHU8oX US ENOMAS1 98.124.224.17 19329 mailcious
http://www.sportape.xyz/zgtb/?rV0Dp0=B1IhHrbEoLmNiKqFw3nOQ4nB+Ru/UnGK+xQs1uzRCyrXbDyV7GDWrJYCa9K93Ok02ne5v/zq&VRKt=wBZhTR28eHU8oX Unknown 199.59.243.220 clean
http://www.premhub.club/zgtb/?rV0Dp0=427pZnyXITI7Ip9u+pOH0pYmXREpkYT1pT1nLFHw2WpO7KnSqPdmzxmz5QHEG+gMjJI65xaD&VRKt=wBZhTR28eHU8oX US PONYNET 198.251.89.247 clean
http://www.freecrdditreport.com/zgtb/?rV0Dp0=cSeqCoZ/Qxqx0oFjHQgY06ue/xjuDAwZq94sVXf9gbC670UeP6nVXPWkyiMI8zJro53zKq4f&VRKt=wBZhTR28eHU8oX US LEASEWEB-USA-WDC 23.82.12.29 clean
http://www.gasgangllc.com/zgtb/?rV0Dp0=XBCDKB8yZNPw5rieyjkNoySF5lyaVown+0zN4aC/hTAwbQTJYjSVmvUihdbcSS68tEiAe5v7&VRKt=wBZhTR28eHU8oX US CLOUDFLARENET 66.235.200.145 18931 mailcious
http://www.thinoe.com/zgtb/?rV0Dp0=vP2WowvSy7B0zvm54FH0qhQ94GEq0SYSISsT0ZJ8HtV4iWLfigDeA4acBS6J/oIN9USF4lDF&VRKt=wBZhTR28eHU8oX US CLOUDFLARENET 104.21.10.248 clean
www.enjoyhavoc.online Unknown clean
www.gasgangllc.com US CLOUDFLARENET 66.235.200.145 mailcious
www.thinoe.com US CLOUDFLARENET 172.67.164.215 clean
www.fxivcama.com US FORTRESSITX 69.57.161.210 mailcious
www.daquan168.com Unknown clean
www.premhub.club US PONYNET 198.251.89.247 clean
www.vrmonster.xyz Unknown 199.59.243.220 mailcious
www.sportape.xyz Unknown 199.59.243.220 clean
www.freecrdditreport.com US LEASEWEB-USA-WDC 23.82.12.29 clean
www.happy-tile.com Unknown mailcious
www.zs-yaoshi.com US EGIHOSTING 166.88.174.43 clean
www.groupeinvictuscorporation.com US ENOMAS1 98.124.224.17 mailcious
66.235.200.145 US CLOUDFLARENET 66.235.200.145 mailcious
98.124.224.17 US ENOMAS1 98.124.224.17 mailcious
199.59.243.220 Unknown 199.59.243.220 mailcious
104.21.10.248 US CLOUDFLARENET 104.21.10.248 clean
69.57.161.210 US FORTRESSITX 69.57.161.210 mailcious
23.82.12.29 US LEASEWEB-USA-WDC 23.82.12.29 suspicious
166.88.174.43 US EGIHOSTING 166.88.174.43 clean
198.251.89.247 US PONYNET 198.251.89.247 clean

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