Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	July 29, 2021, 10:47 a.m.	July 29, 2021, 10:51 a.m.

Size	549.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`a279add023dd6a0fcbf1d5da05fbddeb`
SHA256	`82edba13d3bfcb9ccded6ad080a805b705ae25978f58884e7763eda24187061a`
CRC32	`3F325817`
ssdeep	`12288:HNihlp7iS/d348myPZV7abELHdUnVc3Q3LZ6BMy8dmB:HMloS/d33ZRL9yQKZc`
Yara	IsPE32 - (no description) Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2060

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 July 29, 2021, 10:48 a.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW July 29, 2021, 10:48 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 July 29, 2021, 10:47 a.m.			0	0
IsDebuggerPresent July 29, 2021, 10:47 a.m.			0	0
IsDebuggerPresent July 29, 2021, 10:48 a.m.			0	0
IsDebuggerPresent July 29, 2021, 10:48 a.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey July 29, 2021, 10:47 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00776808 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 29, 2021, 10:47 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00776988 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 29, 2021, 10:47 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00776988 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 July 29, 2021, 10:47 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (29 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 262144 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00410000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00410000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73a71000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73a72000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 458752 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 July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00630000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004e5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004eb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004e7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004cc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00980000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004da000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ca000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 16384 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00981000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6ffa2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004d6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00985000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 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
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 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
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 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
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 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
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 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
NtAllocateVirtualMemory July 29, 2021, 10:47 a.m.	process_identifier: 2060 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
NtAllocateVirtualMemory July 29, 2021, 10:48 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00986000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 29, 2021, 10:48 a.m.	process_identifier: 2060 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004cd000 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'0x00083a00', u'virtual_address': u'0x00002000', u'entropy': 7.176465216145595, u'name': u'.text', u'virtual_size': u'0x00083984'}

entropy

7.17646521615

description

A section with a high entropy has been found

entropy

0.959016393443

description

Overall entropy of this PE file is high

File has been identified by 24 AntiVirus engines on VirusTotal as malicious (24 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.a279add023dd6a0f
McAfee	Artemis!A279ADD023DD
Cylance	Unsafe
Alibaba	Trojan:Application/Generic.a74a4da6
Cybereason	malicious.19b17e
Cyren	W32/MSIL_Kryptik.DLO.gen!Eldorado
Symantec	Trojan.Gen.MBT
ESET-NOD32	a variant of MSIL/GenKryptik.FIBT
APEX	Malicious
Paloalto	generic.ml
Kaspersky	UDS:Trojan.MSIL.Crypt.gen
Avast	Win32:PWSX-gen [Trj]
McAfee-GW-Edition	BehavesLike.Win32.Backdoor.hc
Ikarus	Trojan.Inject
Kingsoft	Win32.Troj.Undef.(kcloud)
Microsoft	Trojan:Win32/AgentTesla!ml
MAX	malware (ai score=61)
SentinelOne	Static AI - Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Agent.GIQ!tr
AVG	Win32:PWSX-gen [Trj]
Panda	Trj/GdSda.A
CrowdStrike	win/malicious_confidence_90% (W)

vbc.exe

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