Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Sept. 7, 2023, 5:31 p.m.	Sept. 7, 2023, 5:47 p.m.

Size	972.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`4f91d6f43a69717ff16f3c09dcd0e7e8`
SHA256	`035c64adedb7e567711f5a793c587b5886bea69e725a5f038f2b7f01a1eebd5d`
CRC32	`54DAD5D1`
ssdeep	`12288:GPGFbjnlnvSYq7VFFKtanTtcDPHNtr0P18UEbotQ:GajlnqntLTtcLHNtrK8HJ`
PDB Path	xYQq.pdb
Yara	PE_Header_Zero - PE File Signature Is_DotNET_EXE - (no description) IsPE32 - (no description)

undergroundzx.exe "C:\Users\test22\AppData\Local\Temp\undergroundzx.exe"
2544

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 Sept. 7, 2023, 5:31 p.m.			0	0
IsDebuggerPresent Sept. 7, 2023, 5:31 p.m.			0	0

This executable has a PDB path (1 event)

pdb_path

xYQq.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 Sept. 7, 2023, 5:31 p.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (33 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 262144 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002f0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 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 Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 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 Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 1572864 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 Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d60000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00492000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005c5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005cb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 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 Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 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 Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 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 Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x732e2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004b6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 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 Sept. 7, 2023, 5:31 p.m.	process_identifier: 2544 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 Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 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 Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0108f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01080000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 28672 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
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008ec000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008ed000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008ee000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ad000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ae000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008ef000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 7, 2023, 5:32 p.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04c80000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

File has been identified by 30 AntiVirus engines on VirusTotal as malicious (30 events)

Bkav	W32.Common.3BF22050
Lionic	Trojan.Win32.Generic.4!c
Elastic	malicious (high confidence)
DrWeb	Trojan.Packed2.45647
McAfee	Artemis!4F91D6F43A69
Malwarebytes	Generic.Malware/Suspicious
Cybereason	malicious.0646c1
BitDefenderTheta	Gen:NN.ZemsilF.36662.8m0@aG17Vzg
Cyren	W32/MSIL_Agent.FPI.gen!Eldorado
Symantec	MSIL.Packed.28
ESET-NOD32	a variant of MSIL/GenKryptik.GNNX
Cynet	Malicious (score: 100)
Kaspersky	HEUR:Trojan-PSW.MSIL.Agensla.gen
Avast	Win32:PWSX-gen [Trj]
McAfee-GW-Edition	BehavesLike.Win32.Generic.dh
FireEye	Generic.mg.4f91d6f43a69717f
Sophos	Mal/Generic-S
Gridinsoft	Trojan.Win32.Kryptik.sa
Microsoft	Trojan:Win32/FormBook.AFB!MTB
ZoneAlarm	HEUR:Trojan-PSW.MSIL.Agensla.gen
Google	Detected
AhnLab-V3	Trojan/Win.Injection.C5482601
Cylance	unsafe
Panda	Trj/Chgt.AD
Rising	Malware.Obfus/MSIL@AI.100 (RDM.MSIL2:EStTp34hKDWhqXpCEG1yeA)
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Kryptik.XSWP!tr
AVG	Win32:PWSX-gen [Trj]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (W)

undergroundzx.exe

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