Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	April 2, 2021, 5:55 p.m.	April 2, 2021, 5:57 p.m.

Size	694.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`b0e9496e7a623911ebe1c4c40dbbfb45`
SHA256	`321fc263ed3299c1e62a6184b309ad6f35ca50b322cc07f0ddcacfc1de35a60b`
CRC32	`1A9359C1`
ssdeep	`12288:8RileDn0dS5AxuD0oAZi970eJimVxsHBOr9PmE1YrvYZKS3FNeLrMFs:8AJwq20RZIJDVxsHBOBPv1YM3U`
Yara	Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT PE_Header_Zero - PE File Signature Zero IsPE32 - (no description) IsNET_EXE - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check HasDebugData - DebugData Check

01vxMGBNKTbu5Ue.exe "C:\Users\test22\AppData\Local\Temp\01vxMGBNKTbu5Ue.exe"
112

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 2, 2021, 5:55 p.m.			0	0
IsDebuggerPresent April 2, 2021, 5:55 p.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey April 2, 2021, 5:57 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x0042c840 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey April 2, 2021, 5:57 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x0042c880 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey April 2, 2021, 5:57 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x0042c880 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

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 2, 2021, 5:55 p.m.		1	1	0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Allocates read-write-execute memory (usually to unpack itself) (31 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 458752 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004e0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 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 2, 2021, 5:55 p.m.	process_identifier: 112 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 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 1179648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b40000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00552000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00585000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0058b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00587000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00577000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 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 April 2, 2021, 5:55 p.m.	process_identifier: 112 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 April 2, 2021, 5:55 p.m.	process_identifier: 112 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 April 2, 2021, 5:55 p.m.	process_identifier: 112 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 April 2, 2021, 5:55 p.m.	process_identifier: 112 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 April 2, 2021, 5:55 p.m.	process_identifier: 112 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
NtProtectVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6df52000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00576000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006a1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:55 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006a2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:57 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:57 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006a3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:57 p.m.	process_identifier: 112 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006a4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:57 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 2, 2021, 5:57 p.m.	process_identifier: 112 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006ab000 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'0x000ace00', u'virtual_address': u'0x00002000', u'entropy': 7.454750069022017, u'name': u'.text', u'virtual_size': u'0x000acd20'}

entropy

7.45475006902

description

A section with a high entropy has been found

entropy

0.997116077866

description

Overall entropy of this PE file is high

One or more of the buffers contains an embedded PE file (1 event)

buffer

Buffer with sha1: 4c6adf30a393f1bef4fd59ad4ab53d112cf033e6

File has been identified by 54 AntiVirus engines on VirusTotal as malicious (50 out of 54 events)

Elastic	malicious (high confidence)
DrWeb	Trojan.Inject4.8053
MicroWorld-eScan	Trojan.GenericKD.45827032
FireEye	Trojan.GenericKD.45827032
CAT-QuickHeal	Trojan.MSIL
ALYac	Trojan.GenericKD.45827032
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Trojan ( 00578a811 )
Alibaba	Trojan:Win32/starter.ali1000139
K7GW	Trojan ( 00578a811 )
Cybereason	malicious.e7a623
Arcabit	Trojan.Generic.D2BB43D8
Cyren	W32/MSIL_Troj.AHF.gen!Eldorado
Symantec	Trojan.Gen.2
ESET-NOD32	a variant of MSIL/Kryptik.ZVR
APEX	Malicious
Paloalto	generic.ml
Kaspersky	HEUR:Trojan.MSIL.Taskun.gen
BitDefender	Trojan.GenericKD.45827032
NANO-Antivirus	Trojan.Win32.Taskun.initpt
ViRobot	Trojan.Win32.S.Agent.710656.BC
Tencent	Win32.Trojan.Inject.Auto
Ad-Aware	Trojan.GenericKD.45827032
Sophos	Mal/Generic-S
Comodo	Malware@#1blt94kyj3qm0
F-Secure	Trojan.TR/Kryptik.vsfau
VIPRE	Trojan.Win32.Generic!BT
TrendMicro	Trojan.MSIL.SUDLOADER.THCOCBA
McAfee-GW-Edition	RDN/AgentTesla
Emsisoft	Trojan.GenericKD.45827032 (B)
Avira	TR/Kryptik.vsfau
Antiy-AVL	Trojan/MSIL.Taskun
Kingsoft	Win32.Troj.Undef.(kcloud)
Gridinsoft	Trojan.Win32.Kryptik.oa
Microsoft	Trojan:MSIL/Formbook.EC!MTB
AegisLab	Trojan.MSIL.Taskun.4!c
ZoneAlarm	HEUR:Trojan.MSIL.Taskun.gen
GData	Trojan.GenericKD.45827032
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win32.Kryptik.C4357450
McAfee	RDN/AgentTesla
MAX	malware (ai score=100)
VBA32	TScope.Trojan.MSIL
Malwarebytes	Trojan.MalPack
Panda	Trj/GdSda.A
TrendMicro-HouseCall	Trojan.MSIL.SUDLOADER.THCOCBA
Rising	Trojan.Taskun!8.11327 (CLOUD)
Ikarus	Trojan.Inject
Fortinet	MSIL/Kryptik.ZYC!tr

01vxMGBNKTbu5Ue.exe

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