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Report - gonu.exe

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ScreenShot
Created 2021.03.10 16:08 Machine s1_win7_x6402
Filename gonu.exe
Type PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows
AI Score
4
 Behavior Score
1.8
ZERO API file : malware
VT API (file) 15 detected (Bulz, a variant of WinGo, GoCLR, Malicious, score, ai score=81, Unsafe, 100%, confidence)
md5 3bc1e07e2f912ff37550fbfcf2696081
sha256 58e1370fdd747d652f4c8e0dc59188f3dfabb6dfcd3491c6fe4b81c3305d5a46
ssdeep 49152:4X45IjX6BQZsiONZglv5OLRvSguk1xIn2jsrJIb5UgtvL11jIbt8Q0ev/zZEl4U1:qX6BQZOwFq
imphash 4035d2883e01d64f3e7a9dccb1d63af5
impfuzzy 24:UbVjhN5O+VuT2oLtXOr6kwmDruMztxdEr6UP:K5O+VAXOmGx0nP
  Network IP location

Signature (4cnts)

Level Description
watch Detects the presence of Wine emulator
watch File has been identified by 15 AntiVirus engines on VirusTotal as malicious
notice Yara rule detected in process memory
info The executable contains unknown PE section names indicative of a packer (could be a false positive)

Rules (57cnts)

Level Name Description Collection
notice anti_vm_detect Possibly employs anti-virtualization techniques binaries (upload)
notice Str_Win32_Http_API Match Windows Http API call memory
notice Str_Win32_Internet_API Match Windows Inet API call memory
info anti_dbg Checks if being debugged memory
info antisb_threatExpert Anti-Sandbox checks for ThreatExpert memory
info Check_Dlls (no description) memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (no description) memory
info DebuggerException__ConsoleCtrl (no description) memory
info DebuggerException__SetConsoleCtrl (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 Zero binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info vmdetect Possibly employs anti-virtualization techniques memory
info win_hook Affect hook table memory
info create_service Create a windows service binaries (upload)
info create_service Create a windows service memory
info cred_local Steal credential memory
info escalate_priv Escalade priviledges binaries (upload)
info escalate_priv Escalade priviledges memory
info inject_thread Code injection with CreateRemoteThread in a remote process memory
info IsWindowsGUI (no description) binaries (upload)
info keylogger Run a keylogger memory
info migrate_apc APC queue tasks migration memory
info network_dga Communication using dga memory
info network_dns Communications use DNS binaries (upload)
info network_dns Communications use DNS memory
info network_dropper File downloader/dropper memory
info network_ftp Communications over FTP memory
info network_http Communications over HTTP memory
info network_p2p_win Communications over P2P network memory
info network_tcp_listen Listen for incoming communication binaries (upload)
info network_tcp_listen Listen for incoming communication memory
info network_tcp_socket Communications over RAW socket binaries (upload)
info network_tcp_socket Communications over RAW socket memory
info network_udp_sock Communications over UDP network binaries (upload)
info network_udp_sock Communications over UDP network memory
info screenshot Take screenshot memory
info sniff_audio Record Audio memory
info spreading_share Malware can spread east-west using share drive memory
info Str_Win32_Wininet_Library Match Windows Inet API library declaration memory
info Str_Win32_Winsock2_Library Match Winsock 2 API library declaration binaries (upload)
info Str_Win32_Winsock2_Library Match Winsock 2 API library declaration memory
info win_files_operation Affect private profile binaries (upload)
info win_files_operation Affect private profile memory
info win_mutex Create or check mutex binaries (upload)
info win_mutex Create or check mutex memory
info win_private_profile Affect private profile memory
info win_registry Affect system registries binaries (upload)
info win_registry Affect system registries memory
info win_token Affect system token binaries (upload)
info win_token Affect system token memory

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

kernel32.dll
 0x9ee020 WriteFile
 0x9ee028 WriteConsoleW
 0x9ee030 WaitForMultipleObjects
 0x9ee038 WaitForSingleObject
 0x9ee040 VirtualQuery
 0x9ee048 VirtualFree
 0x9ee050 VirtualAlloc
 0x9ee058 SwitchToThread
 0x9ee060 SuspendThread
 0x9ee068 Sleep
 0x9ee070 SetWaitableTimer
 0x9ee078 SetUnhandledExceptionFilter
 0x9ee080 SetProcessPriorityBoost
 0x9ee088 SetEvent
 0x9ee090 SetErrorMode
 0x9ee098 SetConsoleCtrlHandler
 0x9ee0a0 ResumeThread
 0x9ee0a8 PostQueuedCompletionStatus
 0x9ee0b0 LoadLibraryA
 0x9ee0b8 LoadLibraryW
 0x9ee0c0 SetThreadContext
 0x9ee0c8 GetThreadContext
 0x9ee0d0 GetSystemInfo
 0x9ee0d8 GetSystemDirectoryA
 0x9ee0e0 GetStdHandle
 0x9ee0e8 GetQueuedCompletionStatusEx
 0x9ee0f0 GetProcessAffinityMask
 0x9ee0f8 GetProcAddress
 0x9ee100 GetEnvironmentStringsW
 0x9ee108 GetConsoleMode
 0x9ee110 FreeEnvironmentStringsW
 0x9ee118 ExitProcess
 0x9ee120 DuplicateHandle
 0x9ee128 CreateWaitableTimerExW
 0x9ee130 CreateThread
 0x9ee138 CreateIoCompletionPort
 0x9ee140 CreateEventA
 0x9ee148 CloseHandle
 0x9ee150 AddVectoredExceptionHandler

EAT(Export Address Table) is none


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