Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	July 30, 2021, 8:46 p.m.	July 30, 2021, 8:55 p.m.

Size	1.2MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`b4e65ed28277c81bc487a30b282b88a1`
SHA256	`c655cc215970dec5d45327944a3766c92b4bc3d9bb7151f945b9e33d681ab147`
CRC32	`09072C04`
ssdeep	`24576:SYiS/d3uYdk9Jt6UWHpT//I+NmwRGPoN7vdiTbnFM:xUJcU0T//Iem/PoiM`
Yara	Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) UPX_Zero - UPX packed file IsPE32 - (no description) PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals

.csrss.exe "C:\Users\test22\AppData\Local\Temp\.csrss.exe"
1080

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
104.21.21.221	Active	Moloch
104.21.78.28	Active	Moloch
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 July 30, 2021, 8:46 p.m.			0	0
IsDebuggerPresent July 30, 2021, 8:46 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 July 30, 2021, 8:46 p.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (25 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory July 30, 2021, 8:46 p.m.	process_identifier: 1080 region_size: 2293760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00930000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 30, 2021, 8:46 p.m.	process_identifier: 1080 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 30, 2021, 8:46 p.m.	process_identifier: 1080 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 July 30, 2021, 8:46 p.m.	process_identifier: 1080 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 July 30, 2021, 8:46 p.m.	process_identifier: 1080 region_size: 786432 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005d0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 30, 2021, 8:46 p.m.	process_identifier: 1080 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00650000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00620000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 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 30, 2021, 8:46 p.m.	process_identifier: 1080 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00621000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 30, 2021, 8:46 p.m.	process_identifier: 1080 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6dee2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 30, 2021, 8:46 p.m.	process_identifier: 1080 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

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

section

{u'size_of_data': u'0x00138a00', u'virtual_address': u'0x00002000', u'entropy': 7.761268225679309, u'name': u'.text', u'virtual_size': u'0x00138910'}

entropy

7.76126822568

description

A section with a high entropy has been found

entropy

0.998004788508

description

Overall entropy of this PE file is high

Communicates with host for which no DNS query was performed (2 events)

host	104.21.21.221
host	104.21.78.28

File has been identified by 25 AntiVirus engines on VirusTotal as malicious (25 events)

Lionic	Trojan.MSIL.Androm.m!c
Elastic	malicious (high confidence)
FireEye	Generic.mg.b4e65ed28277c81b
Qihoo-360	HEUR/QVM03.0.EE2F.Malware.Gen
Malwarebytes	MachineLearning/Anomalous.97%
CrowdStrike	win/malicious_confidence_90% (W)
Cyren	W32/MSIL_Kryptik.DZG.gen!Eldorado
Symantec	Trojan.Gen.2
APEX	Malicious
Paloalto	generic.ml
Kaspersky	UDS:Backdoor.MSIL.Androm.gen
Avast	Win32:RATX-gen [Trj]
Sophos	Mal/Generic-S
McAfee-GW-Edition	BehavesLike.Win32.Fareit.tc
SentinelOne	Static AI - Malicious PE
MAX	malware (ai score=99)
Kingsoft	Win32.Hack.Undef.(kcloud)
Microsoft	Trojan:Win32/Wacatac.B!ml
ZoneAlarm	UDS:DangerousObject.Multi.Generic
Cynet	Malicious (score: 100)
McAfee	Artemis!B4E65ED28277
VBA32	Malware-Cryptor.MSIL.AgentTesla.Heur
eGambit	Unsafe.AI_Score_85%
Fortinet	MSIL/Agent.GIQ!tr
AVG	Win32:RATX-gen [Trj]

.csrss.exe

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