Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Feb. 21, 2025, 4:30 p.m.	Feb. 21, 2025, 4:32 p.m.

Size	23.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`27c15cccf3c45998d4fe8582c95da58f`
SHA256	`7351f6d3d1f7d076d216b09d021655c02606e932a59519655bfa7c106146f8ca`
CRC32	`9619C9BD`
ssdeep	`384:Eqkv3kkDLFhcd2+kc7f5x8yxKn+GE6VL5dpLxfHZqYLJGJaqyLnLAlQNpOBMQWhN:q3L7vH7E6VL5TvA6LZxzh5lbz`
PDB Path	C:\Users\Egor\source\repos\WindowsFormsApp14\WindowsFormsApp14\obj\Debug\WindowsFormsApp14.pdb
Yara	Malicious_Library_Zero - Malicious_Library PE_Header_Zero - PE File Signature Is_DotNET_EXE - (no description) IsPE32 - (no description)

WindowsFormsApp14.exe "C:\Users\test22\AppData\Local\Temp\WindowsFormsApp14.exe"
2540

Name	Response	Post-Analysis Lookup
pastebin.com	A 104.20.4.235 A 172.67.19.24 A 104.20.3.235	104.20.4.235

IP Address	Status	Action
104.20.4.235	Active	Moloch
164.124.101.2	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.101:49162 -> 104.20.4.235:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined

Suricata TLS

Flow	Issuer	Subject	Fingerprint
TLSv1 192.168.56.101:49162 104.20.4.235:443	C=US, O=Google Trust Services, CN=WR1	CN=pastebin.com	1f:c5:9e:51:79:dc:34:7a:1b:a1:94:e2:1d:c8:cc:65:26:4f:9d:cb

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Feb. 21, 2025, 4:30 p.m.			0	0
IsDebuggerPresent Feb. 21, 2025, 4:30 p.m.			0	0

This executable has a PDB path (1 event)

pdb_path

C:\Users\Egor\source\repos\WindowsFormsApp14\WindowsFormsApp14\obj\Debug\WindowsFormsApp14.pdb

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 Feb. 21, 2025, 4:30 p.m.		1	1	0

HTTP traffic contains suspicious features which may be indicative of malware related traffic (1 event)

suspicious_features

GET method with no useragent header

suspicious_request

GET https://pastebin.com/raw/4LkF0iPK

Performs some HTTP requests (1 event)

request

GET https://pastebin.com/raw/4LkF0iPK

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

Time & API	Arguments	Status
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 2031616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00910000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ac0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 1703936 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b00000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c60000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00412000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00445000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00447000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0042c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0041c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0041a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00436000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0043a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00437000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006f1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0043b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 21, 2025, 4:30 p.m.	process_identifier: 2540 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0042a000 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 Feb. 21, 2025, 4:30 p.m.	flags: 15 family: 0		111	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation Feb. 21, 2025, 4:30 p.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

WindowsFormsApp14.exe tried to sleep 2818192721 seconds, actually delayed analysis time by 2818192721 seconds

File has been identified by 16 AntiVirus engines on VirusTotal as malicious (16 events)

Bkav	W32.AIDetectMalware.CS
Cylance	Unsafe
CrowdStrike	win/malicious_confidence_90% (W)
Elastic	malicious (high confidence)
Rising	Downloader.Pstinb!8.A68 (CLOUD)
McAfeeD	ti!7351F6D3D1F7
SentinelOne	Static AI - Suspicious PE
Antiy-AVL	GrayWare/Win32.Wacapew
Kingsoft	Msil.TrojDownloader.pstinb.a
Gridinsoft	Trojan.Win32.Gen.dd!n
McAfee	Artemis!27C15CCCF3C4
DeepInstinct	MALICIOUS
VBA32	Downloader.MSIL.Pabin.Heur
Malwarebytes	Trojan.Downloader.MSIL.Generic
huorong	TrojanDownloader/MSIL.Pstinb.a
Fortinet	PossibleThreat

WindowsFormsApp14.exe

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