Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Aug. 18, 2021, 11:15 a.m.	Aug. 18, 2021, 11:22 a.m.

Size	1.3MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`fb4b33133ac61d537322520e6aacdf44`
SHA256	`81d32df1698d2cefa7a8495eac34adf2f16d62d75e19c08213b8fedd325dc048`
CRC32	`95798F59`
ssdeep	`24576:jJjoFcec2zNr/VqbFnu8diY6l+hYSjFlN2Mw0MnvKBtJ8:kABRiYu+T3NA0sCBtJ`
Yara	PE_Header_Zero - PE File Signature Admin_Tool_IN_Zero - Admin Tool Sysinternals Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) IsPE32 - (no description) Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

tzd.exe "C:\Users\test22\AppData\Local\Temp\tzd.exe"
1912

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA Aug. 18, 2021, 11:16 a.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW Aug. 18, 2021, 11:16 a.m.	computer_name: TEST22-PC	1	1	0

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Aug. 18, 2021, 11:15 a.m.			0	0
IsDebuggerPresent Aug. 18, 2021, 11:15 a.m.			0	0
IsDebuggerPresent Aug. 18, 2021, 11:16 a.m.			0	0
IsDebuggerPresent Aug. 18, 2021, 11:16 a.m.			0	0

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

Time & API	Arguments	Status	Return
CryptExportKey Aug. 18, 2021, 11:15 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00486930 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Aug. 18, 2021, 11:15 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00486930 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Aug. 18, 2021, 11:15 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00486930 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 Aug. 18, 2021, 11:15 a.m.		1	1	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.sdata

Allocates read-write-execute memory (usually to unpack itself) (34 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 786432 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00530000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x731a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x731a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 1114112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009f0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00422000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00680000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00681000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00682000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0042a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00683000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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 Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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 Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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 Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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 Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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 Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 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 Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00684000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x70062000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00546000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0068e000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 18, 2021, 11:15 a.m.	process_identifier: 1912 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053d000 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'0x00088600', u'virtual_address': u'0x000c4000', u'entropy': 7.999700304853892, u'name': u'.sdata', u'virtual_size': u'0x000885c0'}

entropy

7.99970030485

description

A section with a high entropy has been found

entropy

0.412320483749

description

Overall entropy of this PE file is high

File has been identified by 39 AntiVirus engines on VirusTotal as malicious (39 events)

Lionic	Trojan.MSIL.Crypt.4!c
Elastic	malicious (high confidence)
DrWeb	Trojan.PackedNET.999
MicroWorld-eScan	Trojan.GenericKD.37425414
McAfee	AgentTesla-FCTJ!FB4B33133AC6
Cylance	Unsafe
Sangfor	Riskware.Win32.Agent.ky
Cybereason	malicious.5bd313
Arcabit	Trojan.Bulz.D96D95
BitDefenderTheta	Gen:NN.ZemsilF.34088.sr0@a8qK1Zb
Cyren	W32/MSIL_Kryptik.FFV.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Kryptik.ACMC
APEX	Malicious
Kaspersky	HEUR:Trojan.MSIL.Crypt.gen
BitDefender	Trojan.GenericKD.37425414
Avast	FileRepMalware
Ad-Aware	Trojan.GenericKD.37425414
Sophos	Mal/Generic-R
McAfee-GW-Edition	BehavesLike.Win32.Generic.th
FireEye	Trojan.GenericKD.37425414
Emsisoft	Trojan.Agent (A)
SentinelOne	Static AI - Suspicious PE
Kingsoft	Win32.Troj.Undef.(kcloud)
Gridinsoft	Trojan.Win32.Kryptik.oa
Microsoft	Trojan:Win32/AgentTesla!ml
GData	Trojan.GenericKD.37424404
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win.Generic.R437678
ALYac	Gen:Variant.Bulz.617877
MAX	malware (ai score=88)
Malwarebytes	Trojan.Tasker
TrendMicro-HouseCall	TROJ_GEN.R002H0CHH21
Tencent	Msil.Trojan.Crypt.Edxj
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Kryptik.BPM!tr
AVG	FileRepMalware
CrowdStrike	win/malicious_confidence_100% (W)
Qihoo-360	Win32/Trojan.Crypt.HgIASagA

tzd.exe

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