Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Feb. 4, 2024, 4:44 p.m.	Feb. 4, 2024, 4:47 p.m.

Size	5.4MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`d8b897481e51cfab29862e8f9d5a039d`
SHA256	`0e799bc7f1651cf27079ad83feeb0d26419f64e58601c85b6f55ffa15ef9ab8b`
CRC32	`F86136C2`
ssdeep	`98304:q731OeL4i0flbNfKXV9g9qXcyoQfAYHxiRRzh6itdFK8:elOeUz1uXg9q3tfDURzhJk`
PDB Path	wextract.pdb
Yara	Malicious_Library_Zero - Malicious_Library IsPE32 - (no description) PE_Header_Zero - PE File Signature Win32_Trojan_Emotet_RL_Gen_Zero - Win32 Trojan Emotet Win32_Trojan_Gen_1_0904B0_Zero - Win32 Trojan Emotet CAB_file_format - CAB archive file UPX_Zero - UPX packed file

npp86Installerx64.exe "C:\Users\test22\AppData\Local\Temp\npp86Installerx64.exe"
3064
- npp.8.6.2.Installer.x64.exe C:\Users\test22\AppData\Local\Temp\IXP000.TMP\npp.8.6.2.Installer.x64.exe
  2204
- cpu-z_2.09-en.exe C:\Users\test22\AppData\Local\Temp\IXP000.TMP\cpu-z_2.09-en.exe
  1184

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA Feb. 4, 2024, 4:44 p.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW Feb. 4, 2024, 4:44 p.m.	computer_name: TEST22-PC	1	1	0

Checks if process is being debugged by a debugger (6 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Feb. 4, 2024, 4:44 p.m.			0	0
IsDebuggerPresent Feb. 4, 2024, 4:44 p.m.			0	0
IsDebuggerPresent Feb. 4, 2024, 4:44 p.m.			0	0
IsDebuggerPresent Feb. 4, 2024, 4:44 p.m.			0	0
IsDebuggerPresent Feb. 4, 2024, 4:44 p.m.			0	0
IsDebuggerPresent Feb. 4, 2024, 4:44 p.m.			0	0

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

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid

This executable has a PDB path (1 event)

pdb_path

wextract.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 Feb. 4, 2024, 4:44 p.m.		1	1	0

The file contains an unknown PE resource name possibly indicative of a packer (1 event)

resource name

AVI

Allocates read-write-execute memory (usually to unpack itself) (50 out of 63 events)

Time & API	Arguments	Status
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 3064 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73e71000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 3064 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73e41000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73e12000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 786432 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a40000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ac0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73172000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d8b000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72b31000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72b32000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 1769472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ca0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00e10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00982000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009b5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009bb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0099c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73cba000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0098a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73c31000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73be1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 2204 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73ab8000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef4ee3000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 region_size: 2031616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002130000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000022a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef31ba000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2ad5000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b21000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef31bb000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 region_size: 1376256 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002130000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000002200000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b22000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b24000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b24000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b24000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef2b24000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 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 Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 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 Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 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 Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 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 Feb. 4, 2024, 4:44 p.m.	process_identifier: 1184 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

Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation (2 events)

Time & API	Arguments	Status	Return	Repeated
GetDiskFreeSpaceW Feb. 4, 2024, 4:44 p.m.	number_of_free_clusters: 2226542 sectors_per_cluster: 8 bytes_per_sector: 512 root_path: \ total_number_of_clusters: 8362495	1	1	0
GetDiskFreeSpaceW Feb. 4, 2024, 4:44 p.m.	number_of_free_clusters: 2226542 sectors_per_cluster: 8 bytes_per_sector: 512 root_path: \ total_number_of_clusters: 8362495	1	1	0

Creates executable files on the filesystem (2 events)

file	C:\Users\test22\AppData\Local\Temp\IXP000.TMP\npp.8.6.2.Installer.x64.exe
file	C:\Users\test22\AppData\Local\Temp\IXP000.TMP\cpu-z_2.09-en.exe

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x00552000', u'virtual_address': u'0x0000c000', u'entropy': 7.997389984883601, u'name': u'.rsrc', u'virtual_size': u'0x00552000'}

entropy

7.99738998488

description

A section with a high entropy has been found

entropy

0.994069884135

description

Overall entropy of this PE file is high

Installs itself for autorun at Windows startup (1 event)

reg_key

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0

reg_value

rundll32.exe C:\Windows\system32\advpack.dll,DelNodeRunDLL32 "C:\Users\test22\AppData\Local\Temp\IXP000.TMP\"

npp86Installerx64.exe

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