Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	May 19, 2022, 11:15 a.m.	May 19, 2022, 11:33 a.m.

Size	527.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`57d5a8f8fdd09080d20d3e02e9b38e39`
SHA256	`ee87094c1f1aa17c4fa85f40bcc253e02ed4b5cac439d8f5091ebfc3b4d242c1`
CRC32	`28A2795B`
ssdeep	`12288:us2iN90HAM3No8jfiDZ/jBu76EocaROuSgfkUfJclf:51D2LNo87iDZ/jBk6Eoc4O/dU6f`
Yara	IsPE32 - (no description) 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

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2792

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA May 19, 2022, 11:16 a.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW May 19, 2022, 11:16 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 May 19, 2022, 11:15 a.m.			0	0
IsDebuggerPresent May 19, 2022, 11:15 a.m.			0	0
IsDebuggerPresent May 19, 2022, 11:16 a.m.			0	0
IsDebuggerPresent May 19, 2022, 11:16 a.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey May 19, 2022, 11:16 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00386c20 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 19, 2022, 11:16 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00386720 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 19, 2022, 11:16 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00386720 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 19, 2022, 11:15 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (20 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 1900544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00740000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72e31000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72e32000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 851968 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00580000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00610000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00512000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00555000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00557000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00680000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0051a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00537000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00681000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fe12000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:15 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00536000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 19, 2022, 11:16 a.m.	process_identifier: 2792 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0051c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x00083000', u'virtual_address': u'0x00002000', u'entropy': 7.9661725828597065, u'name': u'.text', u'virtual_size': u'0x00082f9c'}

entropy

7.96617258286

description

A section with a high entropy has been found

entropy

0.995251661918

description

Overall entropy of this PE file is high

File has been identified by 42 AntiVirus engines on VirusTotal as malicious (42 events)

Bkav	W32.AIDetectNet.01
Lionic	Trojan.Win32.Blakken.m!c
Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.GenericKD.39660802
FireEye	Generic.mg.57d5a8f8fdd09080
McAfee	RDN/Generic.rp
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
Alibaba	Backdoor:Win32/Blakken.1873e9c7
Cybereason	malicious.9e08b7
BitDefenderTheta	Gen:NN.ZemsilCO.34682.Gm0@aOtsCwl
Cyren	W32/MSIL_Kryptik.HGM.gen!Eldorado
Symantec	Scr.Malcode!gdn30
ESET-NOD32	a variant of MSIL/Kryptik.AFDK
Paloalto	generic.ml
Kaspersky	Backdoor.Win32.Blakken.vqi
BitDefender	Trojan.GenericKD.39660802
Avast	Win32:RATX-gen [Trj]
Tencent	Win32.Backdoor.Blakken.Syif
Ad-Aware	Trojan.GenericKD.39660802
Comodo	Malware@#1wnrfkpjpdrdd
DrWeb	Trojan.Inject4.31999
McAfee-GW-Edition	BehavesLike.Win32.Fareit.hc
SentinelOne	Static AI - Malicious PE
Sophos	Mal/Generic-R + Troj/Tesla-BSK
APEX	Malicious
Avira	TR/Dropper.MSIL.wwrgd
Kingsoft	Win32.Hack.Blakken.v.(kcloud)
Gridinsoft	Ransom.Win32.Wacatac.sa
Microsoft	Trojan:MSIL/AgentTesla.ESQ!MTB
ViRobot	Trojan.Win32.Z.Wacatac.539648.B
GData	Trojan.GenericKD.39660802
AhnLab-V3	Trojan/Win.AgentTesla.C5132960
Acronis	suspicious
ALYac	Trojan.GenericKD.39660802
MAX	malware (ai score=81)
Ikarus	Trojan.MSIL.Inject
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Kryptik.AEWA!tr
AVG	Win32:RATX-gen [Trj]
Panda	Trj/Chgt.AA
CrowdStrike	win/malicious_confidence_100% (W)

vbc.exe

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