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Guide 2020-06-10
Version history 2020-06-10

Summary | ZeroBOX

LServiceHandler.jpg

PE32 PE File .NET EXE

Category	Machine	Started	Completed
FILE	s1_win7_x6401	March 21, 2023, 7:42 a.m.	March 21, 2023, 7:44 a.m.

Size	15.0KB
Type	PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`2b8ed230651d29c3f4a7a330b742bbdd`
SHA256	`1faad2bb0c6fbeb127b9cda7c0915c0881c1ae4ed254fc7157a92fb43d608f27`
CRC32	`24BB146D`
ssdeep	`384:CZDxgNRMWLtGrx7alsbMyZyzfRJNo9WtV39Kf:SDiNXcx7nyzC9g9Kf`
Yara	Is_DotNET_EXE - (no description) IsPE32 - (no description) PE_Header_Zero - PE File Signature

LServiceHandler.jpg "C:\Users\test22\AppData\Local\Temp\LServiceHandler.jpg"
2656
- cmd.exe "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del C:\Users\test22\AppData\Local\Temp\LServiceHandler.jpg
  2768
  - PING.EXE ping 1.1.1.1 -n 1 -w 3000
    2828

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

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent March 21, 2023, 7:42 a.m.			0	0
IsDebuggerPresent March 21, 2023, 7:42 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 March 21, 2023, 7:42 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (15 events)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 2293760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008a0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a90000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 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	0	0
NtProtectVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 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	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 1900544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02040000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x021d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00522000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00555000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00557000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0054a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory March 21, 2023, 7:42 a.m.	process_identifier: 2656 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00547000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0

Creates a suspicious process (2 events)

cmdline	cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del C:\Users\test22\AppData\Local\Temp\LServiceHandler.jpg
cmdline	"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del C:\Users\test22\AppData\Local\Temp\LServiceHandler.jpg

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Local\Temp\LServiceHandler.jpg

A process created a hidden window (1 event)

Time & API	Arguments	Status	Return	Repeated
ShellExecuteExW March 21, 2023, 7:42 a.m.	show_type: 0 filepath_r: cmd.exe parameters: /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del C:\Users\test22\AppData\Local\Temp\LServiceHandler.jpg filepath: cmd.exe	1	1	0

File has been identified by 8 AntiVirus engines on VirusTotal as malicious (8 events)

Bkav	W32.AIDetectNet.01
Elastic	malicious (high confidence)
CrowdStrike	win/malicious_confidence_70% (D)
APEX	Malicious
Trapmine	suspicious.low.ml.score
SentinelOne	Static AI - Suspicious PE
MaxSecure	Trojan.Malware.300983.susgen
BitDefenderTheta	Gen:NN.ZemsilF.36344.am0@amqshnk

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW March 21, 2023, 7:42 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Uses Windows utilities for basic Windows functionality (3 events)

cmdline	cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del C:\Users\test22\AppData\Local\Temp\LServiceHandler.jpg
cmdline	"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del C:\Users\test22\AppData\Local\Temp\LServiceHandler.jpg
cmdline	ping 1.1.1.1 -n 1 -w 3000

Generates some ICMP traffic