Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	July 28, 2023, 5:22 p.m.	July 28, 2023, 5:26 p.m.

Size	47.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`37e965330586a51125db2a420917db17`
SHA256	`b06b398feb7402b0dfe6173944da3413160c8608d60c89fa5311b65892135f5c`
CRC32	`2DDF9870`
ssdeep	`768:boK0GnILSC+e+biNtelDSN+iV08YbygenZHIVWICNBvEgK/JDZVc6KN:cKTyNtKDs4zb1WI8VrnkJDZVclN`
Yara	UPX_Zero - UPX packed file OS_Processor_Check_Zero - OS Processor Check Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult Is_DotNET_EXE - (no description) Malicious_Library_Zero - Malicious_Library PE_Header_Zero - PE File Signature Malicious_Packer_Zero - Malicious Packer Antivirus - Contains references to security software IsPE32 - (no description)

util.exe "C:\Users\test22\AppData\Local\Temp\util.exe"
2560

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

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent July 28, 2023, 5:14 p.m.			0	0
IsDebuggerPresent July 28, 2023, 5:14 p.m.			0	0

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 28, 2023, 5:14 p.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (34 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 720896 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000000680000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000006b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a31000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef40cb000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 2162688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000000b70000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000000d00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a32000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a34000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a34000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a34000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a34000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 655360 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff10000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff00000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe9428a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe9433c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe94366000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe94340000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe9429c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe943b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory July 28, 2023, 5:14 p.m.	process_identifier: 2560 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe942ab000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1

File has been identified by 60 AntiVirus engines on VirusTotal as malicious (50 out of 60 events)

Bkav	W32.Common.B4329D19
Lionic	Trojan.Win32.Crysan.4!c
DrWeb	BackDoor.AsyncRATNET.2
MicroWorld-eScan	Trojan.GenericKDZ.74543
ClamAV	Win.Malware.Generickdz-9865912-0
FireEye	Generic.mg.37e965330586a511
CAT-QuickHeal	Backdoor.MsilFC.S13564499
ALYac	Trojan.GenericKDZ.74543
Cylance	unsafe
Zillya	Trojan.Agent.Win32.2275495
Sangfor	Suspicious.Win32.Save.a
K7AntiVirus	Trojan ( 005592e51 )
Alibaba	Backdoor:MSIL/AsyncRAT.afa04379
K7GW	Trojan ( 005592e51 )
CrowdStrike	win/malicious_confidence_100% (W)
Arcabit	Trojan.Generic.D1232F
BitDefenderTheta	Gen:NN.ZemsilF.36318.cm0@amCHTsf
VirIT	Trojan.Win32.MSIL_Heur.A
Cyren	W32/MSIL_Agent.BTI.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
Elastic	Windows.Trojan.DCRat
ESET-NOD32	a variant of MSIL/Agent.CFQ
APEX	Malicious
Cynet	Malicious (score: 100)
Kaspersky	HEUR:Backdoor.MSIL.Crysan.gen
BitDefender	Trojan.GenericKDZ.74543
SUPERAntiSpyware	Trojan.Agent/GenericKD
Avast	Win32:BackdoorX-gen [Trj]
Tencent	Backdoor.MSIL.Crysan.hb
Sophos	Troj/AsyncRat-B
F-Secure	Heuristic.HEUR/AGEN.1307404
VIPRE	Trojan.GenericKDZ.74543
TrendMicro	Backdoor.Win32.ASYNCRAT.YXDGYZ
McAfee-GW-Edition	BehavesLike.Win32.Fareit.pm
Trapmine	suspicious.low.ml.score
Emsisoft	Trojan.GenericKDZ.74543 (B)
SentinelOne	Static AI - Malicious PE
Jiangmin	Backdoor.MSIL.epln
Avira	HEUR/AGEN.1307404
Antiy-AVL	Trojan[Backdoor]/MSIL.Crysan
Microsoft	Trojan:Win32/Vindor!pz
ViRobot	Trojan.Win.Z.Agent.48640.AEY
ZoneAlarm	HEUR:Backdoor.MSIL.Crysan.gen
GData	MSIL.Backdoor.DCRat.C
Google	Detected
AhnLab-V3	Trojan/Win.Agent.C4526491
Acronis	suspicious
McAfee	PWS-FDHM!37E965330586
MAX	malware (ai score=83)
VBA32	Trojan.MSIL.DarkCrystal.Heur

util.exe

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