Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	July 20, 2023, 7:40 a.m.	July 20, 2023, 7:53 a.m.

Size	633.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`764cb439deb85a06073c46f475956fc4`
SHA256	`9db20870570e93875292e6a6a5f7683982cbe675135032c7dafc2b9704f3cb06`
CRC32	`D3FA127F`
ssdeep	`12288:2S6ln+flo/XciMvPSh6ZX8p/l0ZankJEDggbQbp/k2oA8JqGTOmocf:rTdCjEahkMxl0kkLvd/k20do4`
PDB Path	UhCH.pdb
Yara	Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature IsPE32 - (no description)

yugozx.exe "C:\Users\test22\AppData\Local\Temp\yugozx.exe"
2556

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
208.91.199.224	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 July 20, 2023, 7:40 a.m.			0	0
IsDebuggerPresent July 20, 2023, 7:40 a.m.			0	0

Uses Windows APIs to generate a cryptographic key (12 events)

Time & API	Arguments	Status	Return
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b188 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b188 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b108 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065ba08 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065ba08 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b3c8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b1c8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b1c8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b1c8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b1c8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065b1c8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey July 20, 2023, 7:40 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x0065bc48 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

This executable has a PDB path (1 event)

pdb_path

UhCH.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 July 20, 2023, 7:40 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (26 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 262144 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00340000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00340000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 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 July 20, 2023, 7:40 a.m.	process_identifier: 2556 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 July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 1638400 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c20000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d70000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00422000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00455000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0045b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00457000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0043c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 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
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 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
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0044a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 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 July 20, 2023, 7:40 a.m.	process_identifier: 2556 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 July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00446000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x732a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 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 July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0043d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0043e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 20, 2023, 7:40 a.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008e5000 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'0x0009d400', u'virtual_address': u'0x00002000', u'entropy': 7.753655068528217, u'name': u'.text', u'virtual_size': u'0x0009d25c'}

entropy

7.75365506853

description

A section with a high entropy has been found

entropy

0.994466403162

description

Overall entropy of this PE file is high

Communicates with host for which no DNS query was performed (1 event)

host

208.91.199.224

File has been identified by 29 AntiVirus engines on VirusTotal as malicious (29 events)

McAfee	Artemis!764CB439DEB8
Sangfor	Suspicious.Win32.Save.a
Alibaba	Trojan:MSIL/GenKryptik.75e2c5cf
VirIT	Trojan.Win32.MSIL_Heur.A
Cyren	W32/MSIL_Agent.FYC.gen!Eldorado
Symantec	Scr.Malcode!gdn34
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/GenKryptik.GLZC
APEX	Malicious
Cynet	Malicious (score: 100)
Kaspersky	UDS:Trojan.MSIL.Injuke.gen
Avast	Win32:RATX-gen [Trj]
McAfee-GW-Edition	BehavesLike.Win32.Generic.jc
Trapmine	suspicious.low.ml.score
Sophos	Mal/Generic-S
SentinelOne	Static AI - Malicious PE
Avira	TR/AD.GenSteal.kjtpw
Gridinsoft	Trojan.Win32.AgentTesla.bot
Microsoft	Trojan:Win32/Wacatac.B!ml
ZoneAlarm	UDS:Trojan.MSIL.Injuke.gen
GData	Win32.Trojan-Stealer.MailPSW.AA91ZT@gen
Google	Detected
Malwarebytes	Generic.Malware/Suspicious
Panda	Trj/Chgt.AD
Rising	Malware.Obfus/MSIL@AI.80 (RDM.MSIL2:apg7jNUUBXmxr6cJn+c4ag)
Fortinet	MSIL/Kryptik.AIWZ!tr
AVG	Win32:RATX-gen [Trj]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (W)

Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) (1 event)

dead_host

208.91.199.224:587

yugozx.exe

Process Tree Toggle all

Network Toggle all

Suricata Toggle all

Suricata Alerts

Suricata TLS

Signatures Toggle All