Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	April 10, 2021, 9:01 a.m.	April 10, 2021, 9:04 a.m.

Size	93.3KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`d3f9e86269c012b5db8b565c96d883ca`
SHA256	`28ff20fae19ae13e88927439e029938f17e0a90fc1311d5e3832f8e98ac47282`
CRC32	`6E8CCE5E`
ssdeep	`1536:eNuSMtUmE4lI0krm7rmUrmlrmNrmIrmIrmLrmFrmtrmWrmkrmvrmGrmIFQJ:bSMt5jlhkrm7rmUrmlrmNrmIrmIrmLrj`
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT PE_Header_Zero - PE File Signature Zero IsPE32 - (no description) IsNET_EXE - (no description) IsWindowsGUI - (no description) HasOverlay - Overlay Check

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2232

Name	Response	Post-Analysis Lookup
bubuyaya.ml

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA April 10, 2021, 9:01 a.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW April 10, 2021, 9:01 a.m.	computer_name: TEST22-PC	1	1	0

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent April 10, 2021, 9:01 a.m.			0	0
IsDebuggerPresent April 10, 2021, 9:01 a.m.			0	0
IsDebuggerPresent April 10, 2021, 9:01 a.m.			0	0
IsDebuggerPresent April 10, 2021, 9:01 a.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey April 10, 2021, 9:01 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x005a0ee0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey April 10, 2021, 9:01 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x005a0fa0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey April 10, 2021, 9:01 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x005a0fa0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx April 10, 2021, 9:01 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (19 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 1703936 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00780000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72741000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72742000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 524288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00600000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00640000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00462000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0047c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00790000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00495000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00497000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0046a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00486000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00791000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00487000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0047a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 10, 2021, 9:01 a.m.	process_identifier: 2232 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0046c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Checks adapter addresses which can be used to detect virtual network interfaces (1 event)

Time & API	Arguments	Status	Return	Repeated
GetAdaptersAddresses April 10, 2021, 9:01 a.m.	flags: 15 family: 0		111	0

File has been identified by 23 AntiVirus engines on VirusTotal as malicious (23 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.d3f9e86269c012b5
Qihoo-360	HEUR/QVM03.0.798A.Malware.Gen
McAfee	Artemis!D3F9E86269C0
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_80% (W)
Alibaba	Trojan:MSIL/Kryptik.d6b4f18b
BitDefenderTheta	Gen:NN.ZemsilF.34670.fm1@aq4@sDfi
Cyren	W32/MSIL_Kryptik.DRH.gen!Eldorado
ESET-NOD32	a variant of MSIL/TrojanDownloader.Agent.HRR
Avast	FileRepMalware
Kaspersky	UDS:Trojan.MSIL.Foold.gen
McAfee-GW-Edition	Artemis!Trojan
APEX	Malicious
Kingsoft	Win32.Heur.KVM019.a.(kcloud)
Microsoft	Trojan:Win32/Wacatac.B!ml
Cynet	Malicious (score: 100)
Rising	Downloader.Agent!1.D296 (CLASSIC)
Ikarus	Win32.Outbreak
eGambit	Unsafe.AI_Score_81%
Fortinet	MSIL/Agent.HRR!tr.dldr
AVG	FileRepMalware

vbc.exe

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