Report - vbc.exe

RAT Malicious Library AntiDebug AntiVM PE64 PE File
ScreenShot
Created 2023.04.20 17:36 Machine s1_win7_x6401
Filename vbc.exe
Type PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows
AI Score
1
Behavior Score
6.6
ZERO API file : clean
VT API (file) 12 detected (malicious, confidence, Attribute, HighConfidence, high confidence, score, Noon, PWSX, Outbreak, susgen)
md5 c1ddc7e96d1bdfc49881c4efb2876d8d
sha256 0154b955f0ee502829f50c158db51bad7b0c459310cff2ec5bc352a2e0e375f2
ssdeep 98304:evND3SJDUPU2FhdM61ZbdjND3SJDUPU2FhdM61ZbdBy:evNjwJebM611djNjwJebM611dc
imphash
impfuzzy 3::
  Network IP location

Signature (17cnts)

Level Description
watch Allocates execute permission to another process indicative of possible code injection
watch File has been identified by 12 AntiVirus engines on VirusTotal as malicious
watch One or more of the buffers contains an embedded PE file
watch Resumed a suspended thread in a remote process potentially 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 Sends data using the HTTP POST Method
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 Collects information to fingerprint the system (MachineGuid
info This executable has a PDB path
info Uses Windows APIs to generate a cryptographic key

Rules (12cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library 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 IsPE64 (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 (20cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.gritslab.com/u2kb/ GB AS-CHOOPA 78.141.192.145 28002 mailcious
http://www.gritslab.com/u2kb/?rQD=ydCzFiH7iMWnz6xHMKiyYVGDKfWH5+fYQUsmgPEoYCSsyD6HgT3yOGCjssC2N8mKn+GjINYvhr7iKNezbHZCh47jo+mhlV2uXG5eH60=&V4DcA-=d7DTsKri GB AS-CHOOPA 78.141.192.145 28002 mailcious
http://www.energyservicestation.com/u2kb/ AT Ledl.net GmbH 213.145.228.111 28005 mailcious
http://www.222ambking.org/u2kb/?rQD=IEUpLmGg2fqLmrhwD8IHX/zhiiNjbOQDFcodV2ACJcW4bHSQscR3Nc4uRx31p3m0gGv03uToPch8hDrce1eNAdUBSmpSNalx6DQXGQo=&V4DcA-=d7DTsKri DE SEDO GmbH 91.195.240.94 28004 mailcious
http://www.bitservicesltd.com/u2kb/ DE Contabo GmbH 161.97.163.8 28003 mailcious
http://www.white-hat.uk/u2kb/?rQD=PXfMycAZpTAipct8YN0l/5TWhYE4yPgF2k7967nf/qU1A0mUqq9Jlnm9rK8XSf3D04yKTuePtKPnTCgwye3M0h5ZtqacmtcmNe/sHow=&V4DcA-=d7DTsKri RO T-Mobile Czech Republic a.s. 94.176.104.86 28001 mailcious
http://www.bitservicesltd.com/u2kb/?rQD=rr+sOBvEXsBdGevUk44F/k+BAr88zC1YNHmXivr92FQhRIIYsedR2a+6GoV1WAKeGdj+MTdX512lJXz4UaWEmNABCelIWOCZ3yhH4Z4=&V4DcA-=d7DTsKri DE Contabo GmbH 161.97.163.8 28003 mailcious
http://www.sqlite.org/2017/sqlite-dll-win32-x86-3200000.zip US Linode, LLC 45.33.6.223 clean
http://www.222ambking.org/u2kb/ DE SEDO GmbH 91.195.240.94 28004 mailcious
www.gritslab.com GB AS-CHOOPA 78.141.192.145 mailcious
www.energyservicestation.com AT Ledl.net GmbH 213.145.228.111 mailcious
www.222ambking.org DE SEDO GmbH 91.195.240.94 mailcious
www.bitservicesltd.com DE Contabo GmbH 161.97.163.8 mailcious
www.white-hat.uk RO T-Mobile Czech Republic a.s. 94.176.104.86 mailcious
91.195.240.94 DE SEDO GmbH 91.195.240.94 phishing
78.141.192.145 GB AS-CHOOPA 78.141.192.145 mailcious
213.145.228.111 AT Ledl.net GmbH 213.145.228.111 mailcious
94.176.104.86 RO T-Mobile Czech Republic a.s. 94.176.104.86 mailcious
161.97.163.8 DE Contabo GmbH 161.97.163.8 mailcious
45.33.6.223 US Linode, LLC 45.33.6.223 clean

Suricata ids

PE API

IAT(Import Address Table) is none

EAT(Export Address Table) is none



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