Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	March 7, 2023, 4:38 p.m.	March 7, 2023, 4:40 p.m.

Size	1.4MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`db1128cf32902770d5b0075772bfc0b9`
SHA256	`6ce245fd3d94b9991859e083846e494e52db165058269fea683dddfe0a07b245`
CRC32	`BEC207FD`
ssdeep	`24576:wvWLTX42csMDyYfdJ0EkFXwP9h9ujRGb3o0j/Le3jverNrHoV:/Dvy2EE8ujRGpTeTANk`
Yara	UPX_Zero - UPX packed file Malicious_Library_Zero - Malicious_Library OS_Processor_Check_Zero - OS Processor Check Malicious_Packer_Zero - Malicious Packer Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT Is_DotNET_EXE - (no description) IsPE32 - (no description) PE_Header_Zero - PE File Signature

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

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 (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW March 7, 2023, 4:33 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 7, 2023, 4:33 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 7, 2023, 4:33 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 7, 2023, 4:33 p.m.	computer_name: TEST22-PC	1	1

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent March 7, 2023, 4:31 p.m.			0	0
IsDebuggerPresent March 7, 2023, 4:31 p.m.			0	0

Collects information to fingerprint the system (MachineGuid, DigitalProductId, SystemBiosDate) (1 event)

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid

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 March 7, 2023, 4:31 p.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (50 out of 94 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 region_size: 1703936 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000000620000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000000740000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a71000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef410b000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 region_size: 1900544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000023a0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000024f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a72000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a74000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a74000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a74000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3a74000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 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 March 7, 2023, 4:31 p.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: 0x000007fffff10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fffff10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fffff20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 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 March 7, 2023, 4:31 p.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: 0x000007fffff00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fe942ea000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fe942fc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fe94410000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fe9439c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fe943c6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fe943a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fe9430b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.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: 0x000007fe942ec000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe94411000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:31 p.m.	process_identifier: 2556 region_size: 12288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe94413000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:32 p.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: 0x000007fe94416000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:32 p.m.	process_identifier: 2556 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe94417000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:32 p.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: 0x000007fe94419000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:32 p.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: 0x000007fe942eb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:32 p.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: 0x000007fe9433c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:32 p.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: 0x000007fe9430d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:32 p.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: 0x000007fe9441a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:33 p.m.	process_identifier: 2556 region_size: 16384 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe9441b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:33 p.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: 0x000007fe9441f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:33 p.m.	process_identifier: 2556 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe94420000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:33 p.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: 0x000007fe94422000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:33 p.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: 0x000007fe942fa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory March 7, 2023, 4:33 p.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: 0x000007fe942e2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1

Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation (1 event)

Time & API	Arguments	Status	Return	Repeated
GetDiskFreeSpaceExW March 7, 2023, 4:33 p.m.	total_number_of_free_bytes: 12932489216 free_bytes_available: 12932489216 root_path: C:\ total_number_of_bytes: 34252779520	1	1	0

File has been identified by 40 AntiVirus engines on VirusTotal as malicious (40 events)

Bkav	W32.AIDetectNet.01
Elastic	malicious (high confidence)
Cynet	Malicious (score: 100)
FireEye	Generic.mg.db1128cf32902770
ALYac	Trojan.MSIL.Basic.6.Gen
Cylance	unsafe
Sangfor	Suspicious.Win32.Save.a
Cybereason	malicious.f32902
Arcabit	Trojan.MSIL.Basic.6.Gen
VirIT	Trojan.Win32.MSIL_Heur.A
Symantec	ML.Attribute.HighConfidence
tehtris	Generic.Malware
ESET-NOD32	a variant of MSIL/Spy.Agent.DVA
APEX	Malicious
Kaspersky	HEUR:Backdoor.MSIL.DCRat.gen
BitDefender	Trojan.MSIL.Basic.6.Gen
MicroWorld-eScan	Trojan.MSIL.Basic.6.Gen
Avast	Win32:DropperX-gen [Drp]
Tencent	Msil.Backdoor.Dcrat.Dkjl
F-Secure	Heuristic.HEUR/AGEN.1235675
DrWeb	BackDoor.DarkCrystal.174
VIPRE	Trojan.MSIL.Basic.6.Gen
McAfee-GW-Edition	BehavesLike.Win32.Generic.th
Trapmine	malicious.moderate.ml.score
Emsisoft	Trojan.MSIL.Basic.6.Gen (B)
Jiangmin	Backdoor.MSIL.ftzf
Avira	HEUR/AGEN.1235675
Gridinsoft	Suspicious.XOR_Encoded.bot!yf
Microsoft	Trojan:Win32/Wacatac.B!ml
ZoneAlarm	HEUR:Backdoor.MSIL.DCRat.gen
GData	Trojan.MSIL.Basic.6.Gen
AhnLab-V3	Trojan/Win.Generic.C5274886
McAfee	Artemis!DB1128CF3290
MAX	malware (ai score=81)
Malwarebytes	Malware.AI.1697774898
Rising	Backdoor.DCRat!8.129D9 (TFE:dGZlOg17w21gZmgvxA)
SentinelOne	Static AI - Malicious PE
Fortinet	MSIL/Agent.DVA!tr.spy
BitDefenderTheta	Gen:NN.ZemsilF.36308.Bn0@aWyL2vhi
AVG	Win32:DropperX-gen [Drp]

espI.exe

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