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Report - microsoft.exe

email stealer Generic Malware DNS Socket Escalate priviledges KeyLogger Code injection Downloader persistence AntiDebug AntiVM PE File .NET EXE PE32
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ScreenShot
Created 2021.08.19 09:45 Machine s1_win7_x6402
Filename microsoft.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
 Behavior Score
9.8
ZERO API file : malware
VT API (file) 32 detected (malicious, high confidence, AgentTesla, FDAW, Unsafe, Save, Jigsaw, Eldorado, Attribute, HighConfidence, Kryptik, ACMN, Dnoper, FileRepMalware, AVEMARIA, WLDW, GenericKD, kcloud, Sabsik, IO2OKP, score, ZemsilF, ym0@aOn8B7g, MachineLearning, Anomalous, R06CH0CHI21, Static AI, Malicious PE, ABUB, susgen, confidence)
md5 1edf6239fdc16549861e1b187c396ce2
sha256 8defe9e761e45c1d2b7d8aecd4073068f2026d20eff14d247028618bc7e6ed73
ssdeep 6144:C1cifszl2Utbj/frvUZTc6kJpmZXHOKvsyedvMSQ84gJvlcNhBADInsM+:C02evTkW/XysLQ84YvlyBA01+
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (20cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 32 AntiVirus engines on VirusTotal as malicious
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 Manipulates memory of a non-child process indicative of process injection
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 Creates executable files on the filesystem
notice One or more potentially interesting buffers were extracted
notice Terminates another process
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 (21cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
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 KeyLogger Run a KeyLogger memory
notice Network_DNS Communications use DNS memory
notice Network_TCP_Socket Communications over RAW Socket 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 (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

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