Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	May 27, 2021, 9:15 a.m.	May 27, 2021, 9:19 a.m.

Size	988.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`81fbda3909166d5283aa85295b8c3394`
SHA256	`3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86`
CRC32	`2C513F52`
ssdeep	`24576:YTTqlDDjC+m/xYzc/w6e5NpUWddBW05rB/:XjCFx7/bQpU4lrp`
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature OS_Processor_Check_Zero - OS Processor Check IsPE32 - (no description) Malicious_Library_Zero - Malicious_Library

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2948

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Checks if process is being debugged by a debugger (2 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent May 27, 2021, 9:15 a.m.			0	0
IsDebuggerPresent May 27, 2021, 9:15 a.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey May 27, 2021, 9:15 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x005b6328 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 27, 2021, 9:15 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x005b6328 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 27, 2021, 9:15 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x005b6328 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 May 27, 2021, 9:15 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (50 out of 73 events)

Time & API	Arguments	Status	Return
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 1769472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ab0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 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	0
NtProtectVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 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	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 393216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00485000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0048b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 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	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ec000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00840000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003da000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 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	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00477000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ea000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003dc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00476000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:15 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00841000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6dde2000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ed000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00842000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00843000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00844000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00845000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00846000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00847000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 region_size: 12288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00848000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04f90178 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04f901a0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04f901c8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05012f8e process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05012f82 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 72 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04f90208 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec780 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7a4 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7ac process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7b0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7b8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7bc process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7c0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7c4 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7cc process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 27, 2021, 9:17 a.m.	process_identifier: 2948 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04fec7d0 process_handle: 0xffffffff		3221225550

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x000ae200', u'virtual_address': u'0x00002000', u'entropy': 7.493726500152951, u'name': u'.text', u'virtual_size': u'0x000ae104'}

entropy

7.49372650015

description

A section with a high entropy has been found

entropy

0.70495951417

description

Overall entropy of this PE file is high

File has been identified by 27 AntiVirus engines on VirusTotal as malicious (27 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.81fbda3909166d52
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_80% (W)
Alibaba	Trojan:Win32/starter.ali1000139
Cyren	W32/MSIL_Kryptik.DMH.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Kryptik.ABCZ
APEX	Malicious
Avast	FileRepMalware
Kaspersky	UDS:DangerousObject.Multi.Generic
Paloalto	generic.ml
AegisLab	Trojan.Win32.Malicious.4!c
DrWeb	Trojan.PackedNET.763
McAfee-GW-Edition	BehavesLike.Win32.Generic.dc
Kingsoft	Win32.Troj.Generic_a.a.(kcloud)
Microsoft	Trojan:Win32/AgentTesla!ml
Cynet	Malicious (score: 100)
McAfee	RDN/Generic.grp
Rising	Trojan.Kryptik!8.8 (CLOUD)
SentinelOne	Static AI - Malicious PE
eGambit	Unsafe.AI_Score_99%
Fortinet	MSIL/Kryptik.ABCM!tr
BitDefenderTheta	Gen:NN.ZemsilF.34692.9m0@aKZaKyf
AVG	FileRepMalware
MaxSecure	Trojan.Malware.300983.susgen

vbc.exe

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