Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	April 19, 2021, 4:49 p.m.	April 19, 2021, 4:52 p.m.

Size	969.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`4f5390b92f8ff72c45f690ab986d5d96`
SHA256	`1d83a24be501df5dc4902f068a42033ab35c8546471dc627b5ebc452ce5da76f`
CRC32	`35892FB5`
ssdeep	`12288:N3rQXvc9rdw6TLlBiUqdHhiZ/xaPXVkgH6CAf5mxgzRRRRR4hzf3I0Ki27QoDnFD:N3rQXarLSyaPDaXgx0RRRRR4hzeDK0`
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT PE_Header_Zero - PE File Signature Zero Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult IsPE32 - (no description) IsNET_EXE - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check

xlss.exe "C:\Users\test22\AppData\Local\Temp\xlss.exe"
3024

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 April 19, 2021, 4:49 p.m.			0	0
IsDebuggerPresent April 19, 2021, 4:49 p.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 April 19, 2021, 4:49 p.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (11 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 region_size: 851968 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00570000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00600000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72741000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72742000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 region_size: 1114112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008d0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 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 April 19, 2021, 4:49 p.m.	process_identifier: 3024 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 April 19, 2021, 4:49 p.m.	process_identifier: 3024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00880000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00881000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 19, 2021, 4:49 p.m.	process_identifier: 3024 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00882000 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'0x000ed800', u'virtual_address': u'0x00002000', u'entropy': 7.218814474744769, u'name': u'.text', u'virtual_size': u'0x000ed724'}

entropy

7.21881447474

description

A section with a high entropy has been found

entropy

0.980392156863

description

Overall entropy of this PE file is high

File has been identified by 18 AntiVirus engines on VirusTotal as malicious (18 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.4f5390b92f8ff72c
Cylance	Unsafe
BitDefenderTheta	Gen:NN.ZemsilF.34678.8m0@aGaB1F
ESET-NOD32	a variant of MSIL/Kryptik.AAMW
APEX	Malicious
Avast	FileRepMalware
McAfee-GW-Edition	Artemis!Trojan
Sophos	ML/PE-A
Webroot	W32.Trojan.Gen
AhnLab-V3	Trojan/Win32.HDC.C94099
McAfee	Artemis!4F5390B92F8F
VBA32	CIL.HeapOverride.Heur
Malwarebytes	Malware.AI.617710290
Yandex	Trojan.AvsArher.bUbzqH
SentinelOne	Static AI - Malicious PE
AVG	FileRepMalware
CrowdStrike	win/malicious_confidence_60% (W)

xlss.exe

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