Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	July 14, 2021, 8:56 a.m.	July 14, 2021, 8:59 a.m.

Size	838.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`a67a535b7b1bee678d18f80da48bfcb7`
SHA256	`988015476a43d916c6d49009eaa2e262246ac18eaf1615113262cd3540708450`
CRC32	`7C05E541`
ssdeep	`12288:iCBmuZ5HGbc21McdUNXg/9BIfNx6Hq6+vwDubyWClDGV0IXN5GnTOdU+CHpZgwPQ:iCY0oo2+7NXQ6NKqNvwD9WYDF97cP`
Yara	Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult IsPE32 - (no description) PE_Header_Zero - PE File Signature Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) Admin_Tool_IN_Zero - Admin Tool Sysinternals Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

f.exe "C:\Users\test22\AppData\Local\Temp\f.exe"
2436

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 14, 2021, 8:56 a.m.			0	0
IsDebuggerPresent July 14, 2021, 8:56 a.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 14, 2021, 8:56 a.m.		1	1	0

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

Time & API	Arguments	Status
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 1048576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00430000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74081000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74082000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 2097152 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01fc0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02180000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00392000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 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 July 14, 2021, 8:56 a.m.	process_identifier: 2436 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 July 14, 2021, 8:56 a.m.	process_identifier: 2436 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 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02010000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0039a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 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 14, 2021, 8:56 a.m.	process_identifier: 2436 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 July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 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 July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02011000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x70592000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 14, 2021, 8:56 a.m.	process_identifier: 2436 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02013000 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'0x000b8800', u'virtual_address': u'0x00002000', u'entropy': 7.2908633778919985, u'name': u'.text', u'virtual_size': u'0x000b86f4'}

entropy

7.29086337789

description

A section with a high entropy has been found

entropy

0.881194029851

description

Overall entropy of this PE file is high

File has been identified by 17 AntiVirus engines on VirusTotal as malicious (17 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.a67a535b7b1bee67
McAfee	Artemis!A67A535B7B1B
Cylance	Unsafe
BitDefenderTheta	Gen:NN.ZemsilF.34796.0m0@aOZgjkf
APEX	Malicious
Paloalto	generic.ml
Kaspersky	UDS:Backdoor.MSIL.Androm.gen
Rising	Malware.FakePDF/ICON!1.D51A (CLASSIC)
Sophos	Mal/Generic-S
SentinelOne	Static AI - Malicious PE
Gridinsoft	Trojan.Win32.Gen.se!i
Microsoft	Trojan:Win32/AgentTesla!ml
Cynet	Malicious (score: 100)
Fortinet	MSIL/Kryptik.DLO!tr
CrowdStrike	win/malicious_confidence_80% (W)
Qihoo-360	HEUR/QVM03.0.8EBA.Malware.Gen

f.exe

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