Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	April 8, 2021, 9:15 a.m.	April 8, 2021, 9:32 a.m.

Size	98.0KB
Type	PE32+ executable (GUI) x86-64, for MS Windows
MD5	`c41188e4415567a1465712a6c85331a6`
SHA256	`efb6ef1dffa3bc6f3b7796be4f5681b9da6a243b09029c2381b4009bf6b6eb3d`
CRC32	`53805A53`
ssdeep	`1536:XvamWLz+HfTEea2+NgarZ63GO+SHsyuiIoNbrmqrOke34T5a+94jogCBuyav0P:XvamTIeH4tZ6WOztuYrHNeota+GjZBM`
Yara	win_files_operation - Affect private profile PE_Header_Zero - PE File Signature Zero IsPE64 - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check HasDebugData - DebugData Check HasRichSignature - Rich Signature Check

cv76.exe "C:\Users\test22\AppData\Local\Temp\cv76.exe"
1016
- cmd.exe cmd /c ping 8.8.7.7 -n 2 & start C:\Users\test22\AppData\Local\Temp\cv76.exe VVWDQI5
  2240
  - PING.EXE ping 8.8.7.7 -n 2
    1396
  - cv76.exe C:\Users\test22\AppData\Local\Temp\cv76.exe VVWDQI5
    2932
    - cmd.exe cmd /c ping 8.8.7.7 -n 2 & start C:\Users\test22\AppData\Local\Temp\RT42217.exe NHXU1K
      2648
      - PING.EXE ping 8.8.7.7 -n 2
        1788
      - RT42217.exe C:\Users\test22\AppData\Local\Temp\RT42217.exe NHXU1K
        2532

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch
8.8.7.7	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA April 8, 2021, 9:15 a.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameA April 8, 2021, 9:15 a.m.	computer_name: TEST22-PC	1	1	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 April 8, 2021, 9:15 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (2 events)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory April 8, 2021, 9:15 a.m.	process_identifier: 1016 region_size: 94208 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000001c40000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffffffffffff	1	0	0
NtAllocateVirtualMemory April 8, 2021, 9:15 a.m.	process_identifier: 2932 region_size: 94208 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000001c50000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffffffffffff	1	0	0

A process attempted to delay the analysis task. (1 event)

description

cv76.exe tried to sleep 139 seconds, actually delayed analysis time by 70 seconds

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Temp\RT42217.exe

A process created a hidden window (2 events)

Time & API	Arguments	Status	Return	Repeated
CreateProcessInternalW April 8, 2021, 9:15 a.m.	thread_identifier: 2244 thread_handle: 0x00000000000001f8 process_identifier: 2240 current_directory: filepath: track: 1 command_line: cmd /c ping 8.8.7.7 -n 2 & start C:\Users\test22\AppData\Local\Temp\cv76.exe VVWDQI5 filepath_r: stack_pivoted: 0 creation_flags: 134217728 (CREATE_NO_WINDOW) inherit_handles: 0 process_handle: 0x00000000000001fc	1	1	0
CreateProcessInternalW April 8, 2021, 9:16 a.m.	thread_identifier: 1224 thread_handle: 0x00000000000001fc process_identifier: 2648 current_directory: filepath: track: 1 command_line: cmd /c ping 8.8.7.7 -n 2 & start C:\Users\test22\AppData\Local\Temp\RT42217.exe NHXU1K filepath_r: stack_pivoted: 0 creation_flags: 134217728 (CREATE_NO_WINDOW) inherit_handles: 0 process_handle: 0x0000000000000200	1	1	0

Searches running processes potentially to identify processes for sandbox evasion, code injection or memory dumping (39 events)

Time & API	Arguments	Status	Return
Process32FirstW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: [System Process] process_identifier: 0	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: System process_identifier: 4	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: smss.exe process_identifier: 224	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: csrss.exe process_identifier: 300	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: wininit.exe process_identifier: 348	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: csrss.exe process_identifier: 364	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: winlogon.exe process_identifier: 396	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: services.exe process_identifier: 440	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: lsass.exe process_identifier: 456	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: lsm.exe process_identifier: 464	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 568	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 640	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 700	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 776	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 824	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: audiodg.exe process_identifier: 892	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 968	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 264	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: spoolsv.exe process_identifier: 820	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 292	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 1192	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: srvany.exe process_identifier: 1244	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: taskhost.exe process_identifier: 1284	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: KMService.exe process_identifier: 1324	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: conhost.exe process_identifier: 1376	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: sppsvc.exe process_identifier: 1800	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: svchost.exe process_identifier: 1876	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: dwm.exe process_identifier: 1496	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: explorer.exe process_identifier: 1848	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: WmiPrvSE.exe process_identifier: 1916	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: pw.exe process_identifier: 2816	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: SearchIndexer.exe process_identifier: 2940	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: SearchProtocolHost.exe process_identifier: 1480	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: SearchFilterHost.exe process_identifier: 3040	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: SearchProtocolHost.exe process_identifier: 2120	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: mobsync.exe process_identifier: 2064	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: pw.exe process_identifier: 3064	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: taskhost.exe process_identifier: 2764	1	1
Process32NextW April 8, 2021, 9:15 a.m.	snapshot_handle: 0x00000000000001ec process_name: cv76.exe process_identifier: 1016	1	1

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

section

{u'size_of_data': u'0x00017200', u'virtual_address': u'0x00001000', u'entropy': 7.69136707252661, u'name': u'.text', u'virtual_size': u'0x000172b0'}

entropy

7.69136707253

description

A section with a high entropy has been found

entropy

0.953608247423

description

Overall entropy of this PE file is high

Yara rule detected in process memory (50 out of 82 events)

description	Code injection with CreateRemoteThread in a remote process	rule	inject_thread
description	Create a windows service	rule	create_service
description	Communications over UDP network	rule	network_udp_sock
description	Listen for incoming communication	rule	network_tcp_listen
description	Communications over P2P network	rule	network_p2p_win
description	Communications over HTTP	rule	network_http
description	File downloader/dropper	rule	network_dropper
description	Communications over FTP	rule	network_ftp
description	Communications over RAW socket	rule	network_tcp_socket
description	Communications use DNS	rule	network_dns
description	Communication using dga	rule	network_dga
description	Escalade priviledges	rule	escalate_priv
description	Take screenshot	rule	screenshot
description	Run a keylogger	rule	keylogger
description	Steal credential	rule	cred_local
description	Record Audio	rule	sniff_audio
description	APC queue tasks migration	rule	migrate_apc
description	Malware can spread east-west using share drive	rule	spreading_share
description	Create or check mutex	rule	win_mutex
description	Affect system registries	rule	win_registry
description	Affect system token	rule	win_token
description	Affect private profile	rule	win_private_profile
description	Affect private profile	rule	win_files_operation
description	Match Winsock 2 API library declaration	rule	Str_Win32_Winsock2_Library
description	Match Windows Inet API library declaration	rule	Str_Win32_Wininet_Library
description	Match Windows Inet API call	rule	Str_Win32_Internet_API
description	Match Windows Http API call	rule	Str_Win32_Http_API
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerCheck__RemoteAPI
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	DebuggerException__ConsoleCtrl
description	(no description)	rule	DebuggerException__SetConsoleCtrl
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	(no description)	rule	Check_Dlls
description	Checks if being debugged	rule	anti_dbg
description	Anti-Sandbox checks for ThreatExpert	rule	antisb_threatExpert
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook
description	Code injection with CreateRemoteThread in a remote process	rule	inject_thread
description	Create a windows service	rule	create_service
description	Communications over UDP network	rule	network_udp_sock
description	Listen for incoming communication	rule	network_tcp_listen
description	Communications over P2P network	rule	network_p2p_win
description	Communications over HTTP	rule	network_http
description	File downloader/dropper	rule	network_dropper
description	Communications over FTP	rule	network_ftp
description	Communications over RAW socket	rule	network_tcp_socket

Uses Windows utilities for basic Windows functionality (3 events)

cmdline	cmd /c ping 8.8.7.7 -n 2 & start C:\Users\test22\AppData\Local\Temp\cv76.exe VVWDQI5
cmdline	cmd /c ping 8.8.7.7 -n 2 & start C:\Users\test22\AppData\Local\Temp\RT42217.exe NHXU1K
cmdline	ping 8.8.7.7 -n 2

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

host

8.8.7.7

Drops a binary and executes it (1 event)

file	C:\Users\test22\AppData\Local\Temp\RT42217.exe

File has been identified by 18 AntiVirus engines on VirusTotal as malicious (18 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.c41188e4415567a1
McAfee	Artemis!C41188E44155
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
Cybereason	malicious.017e28
ESET-NOD32	a variant of Win64/Bazar.BG
APEX	Malicious
Avast	FileRepMalware
Kaspersky	UDS:DangerousObject.Multi.Generic
Paloalto	generic.ml
McAfee-GW-Edition	Artemis!Trojan
Microsoft	Trojan:Win32/Wacatac.B!ml
ZoneAlarm	UDS:DangerousObject.Multi.Generic
Cynet	Malicious (score: 100)
SentinelOne	Static AI - Malicious PE
AVG	FileRepMalware
CrowdStrike	win/malicious_confidence_60% (W)

Resumed a suspended thread in a remote process potentially indicative of process injection (4 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2240 resumed a thread in remote process 2932
Process injection	Process 2648 resumed a thread in remote process 2532
NtResumeThread April 8, 2021, 9:15 a.m.	thread_handle: 0x0000000000000064 suspend_count: 0 process_identifier: 2932	1	0	0
NtResumeThread April 8, 2021, 9:24 a.m.	thread_handle: 0x0000000000000064 suspend_count: 0 process_identifier: 2532	1	0	0

Generates some ICMP traffic

cv76.exe

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Suricata Alerts

Suricata TLS

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