Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Oct. 23, 2021, 10:01 a.m.	Oct. 23, 2021, 10:14 a.m.

Size	427.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`f2b0b0c3a1df878a36acb0736b8e2ccf`
SHA256	`fbf42fc8b79fc13e42f52d0b8c3a390290229ca1a4f59e84ac0c971ea69dfed3`
CRC32	`7A91C18D`
ssdeep	`6144:CGxhLlI+BvRijL3IfOTfBUoCE0e0eDHHMTzKcnna:LaSw0fONUVE04DOKc`
Yara	PE_Header_Zero - PE File Signature Generic_Malware_Zero - Generic Malware IsPE32 - (no description) Is_DotNET_EXE - (no description) Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult

vbc.exe "C:\Users\test22\AppData\Local\Temp\vbc.exe"
2664

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

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Oct. 23, 2021, 10:01 a.m.			0	0
IsDebuggerPresent Oct. 23, 2021, 10:01 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 Oct. 23, 2021, 10:01 a.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) (29 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 786432 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00390000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00410000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 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 Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 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 Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 2031616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02260000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02410000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003a2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003db000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 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 Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 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 Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ca000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05170000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 region_size: 176128 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05171000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Oct. 23, 2021, 10:01 a.m.	process_identifier: 2664 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x71fb2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:02 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0519c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0519d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003bd000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04ba0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 2664 region_size: 20480 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04ba1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04ba6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04ba7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04ba8000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 2664 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x04ba9000 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'0x0006a200', u'virtual_address': u'0x00002000', u'entropy': 7.10341797696322, u'name': u'.text', u'virtual_size': u'0x0006a188'}

entropy

7.10341797696

description

A section with a high entropy has been found

entropy

0.994145199063

description

Overall entropy of this PE file is high

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 1460 region_size: 663552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x0000023c	1	0	0

Manipulates memory of a non-child process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2664 manipulating memory of non-child process 1460
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 1460 region_size: 663552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x0000023c	1	0	0

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2664 injected into non-child 1460
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: MZÿÿ¸@ðº´ Í!¸LÍ!This program cannot be run in DOS mode. $ÌÍxþ¬¬¬Ô¬K£K¬ ¬=2ó¬¬¬Ô¬¬Ç¬Ô¬=2÷ó¬=2È¬Rich¬PELlWà8¢Þ9P@ ÐdP\.textõ68 `.rdata`@PB<@@.data$^ ~@À.x À base_address: 0x00400000 process_identifier: 1460 process_handle: 0x0000023c	1	1	0
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: TÍ<¨K¢`Ý;U base_address: 0x0041a000 process_identifier: 1460 process_handle: 0x0000023c	1	1	0
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 1460 process_handle: 0x0000023c	1	1	0

Code injection by writing an executable or DLL to the memory of another process (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2664 injected into non-child 1460
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: MZÿÿ¸@ðº´ Í!¸LÍ!This program cannot be run in DOS mode. $ÌÍxþ¬¬¬Ô¬K£K¬ ¬=2ó¬¬¬Ô¬¬Ç¬Ô¬=2÷ó¬=2È¬Rich¬PELlWà8¢Þ9P@ ÐdP\.textõ68 `.rdata`@PB<@@.data$^ ~@À.x À base_address: 0x00400000 process_identifier: 1460 process_handle: 0x0000023c	1	1	0

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2664 called NtSetContextThread to modify thread in remote process 1460
NtSetContextThread Oct. 23, 2021, 10:03 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4274654 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000264 process_identifier: 1460	1	0	0

File has been identified by 26 AntiVirus engines on VirusTotal as malicious (26 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.f2b0b0c3a1df878a
McAfee	Artemis!F2B0B0C3A1DF
Cylance	Unsafe
Sangfor	Virus.Win32.Save.a
CrowdStrike	win/malicious_confidence_100% (W)
Cyren	W32/MSIL_Kryptik.FXY.gen!Eldorado
Symantec	Scr.Malcode!gdn30
ESET-NOD32	a variant of MSIL/Kryptik.ADGE
APEX	Malicious
Paloalto	generic.ml
Kaspersky	UDS:DangerousObject.Multi.Generic
Avast	Win32:Trojan-gen
Emsisoft	Trojan.Agent (A)
McAfee-GW-Edition	BehavesLike.Win32.Fareit.gc
Sophos	Mal/Generic-S
Kingsoft	Win32.Troj.Generic_a.a.(kcloud)
Microsoft	Trojan:Win32/Woreflint.A!cl
GData	Win32.Trojan-Stealer.LokiBot.WCW6TY
Cynet	Malicious (score: 100)
Malwarebytes	MachineLearning/Anomalous.95%
TrendMicro-HouseCall	TROJ_GEN.R002H0CJM21
SentinelOne	Static AI - Suspicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/GenKryptik.FMJE!tr
AVG	Win32:Trojan-gen

Executed a process and injected code into it, probably while unpacking (13 events)

Time & API	Arguments	Status	Return
NtResumeThread Oct. 23, 2021, 10:01 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 2664	1	0
NtResumeThread Oct. 23, 2021, 10:01 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2664	1	0
NtResumeThread Oct. 23, 2021, 10:01 a.m.	thread_handle: 0x0000018c suspend_count: 1 process_identifier: 2664	1	0
CreateProcessInternalW Oct. 23, 2021, 10:03 a.m.	thread_identifier: 2600 thread_handle: 0x00000264 process_identifier: 1460 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\vbc.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\vbc.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x0000023c	1	1
NtGetContextThread Oct. 23, 2021, 10:03 a.m.	thread_handle: 0x00000264	1	0
NtAllocateVirtualMemory Oct. 23, 2021, 10:03 a.m.	process_identifier: 1460 region_size: 663552 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x0000023c	1	0
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: MZÿÿ¸@ðº´ Í!¸LÍ!This program cannot be run in DOS mode. $ÌÍxþ¬¬¬Ô¬K£K¬ ¬=2ó¬¬¬Ô¬¬Ç¬Ô¬=2÷ó¬=2È¬Rich¬PELlWà8¢Þ9P@ ÐdP\.textõ68 `.rdata`@PB<@@.data$^ ~@À.x À base_address: 0x00400000 process_identifier: 1460 process_handle: 0x0000023c	1	1
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: base_address: 0x00401000 process_identifier: 1460 process_handle: 0x0000023c	1	1
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: base_address: 0x00415000 process_identifier: 1460 process_handle: 0x0000023c	1	1
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: TÍ<¨K¢`Ý;U base_address: 0x0041a000 process_identifier: 1460 process_handle: 0x0000023c	1	1
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: base_address: 0x004a0000 process_identifier: 1460 process_handle: 0x0000023c	1	1
WriteProcessMemory Oct. 23, 2021, 10:03 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 1460 process_handle: 0x0000023c	1	1
NtSetContextThread Oct. 23, 2021, 10:03 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4274654 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000264 process_identifier: 1460	1	0

vbc.exe

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