Report - Vvdsupbjet.exe

email stealer Downloader Escalate priviledges PWS DNS Code injection persistence KeyLogger AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2023.09.19 17:56 Machine s1_win7_x6401
Filename Vvdsupbjet.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
12.0
ZERO API file : malware
VT API (file) 47 detected (Seraph, MSILZilla, Save, malicious, ZemsilF, wm0@ayonSVd, Kryptik, Eldorado, Attribute, HighConfidence, high confidence, AEYN, score, RansomX, MortyStealer, wzwcq, PackedNET, WARZONE, YXDISZ, Artemis, Static AI, Malicious PE, ai score=86, TrickBot, Detected, unsafe, Chgt, MSIL@AI, MSIL2, s9Ly6oobr, HSX+uSY6hUTw, Outbreak, susgen, confidence, 100%)
md5 5ca8de5b7c87d36341f0578a03615aee
sha256 31e5881b79919c18f8444ac3300eb2a3550100754d869d19a9ccacaf874df75b
ssdeep 6144:BKpYEOv3iCLLVNlvC7W22BTF20nJcpXNtbMOdsjxaRkc47:BKpKvSevCP8dJErIOdAc4
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (21cnts)

Level Description
danger Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually)
danger File has been identified by 47 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
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 Installs itself for autorun at Windows startup
watch One or more of the buffers contains an embedded PE file
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 One or more potentially interesting buffers were extracted
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 One or more processes crashed
info Uses Windows APIs to generate a cryptographic key

Rules (20cnts)

Level Name Description Collection
warning infoStealer_emailClients_Zero email clients info stealer memory
watch Network_Downloader File Downloader memory
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
notice Network_DNS Communications use DNS memory
notice Persistence Install itself for autorun at Windows startup 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_hook Affect hook table memory

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
91.207.102.163 RO M247 Ltd 91.207.102.163 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