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Guide 2020-06-10
Version history 2020-06-10

Summary | ZeroBOX

2.trf

Generic Malware AntiVM AntiDebug

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Oct. 3, 2021, 9:58 a.m.	Oct. 3, 2021, 10 a.m.

Size	125.5KB
Type	ASCII text, with very long lines
MD5	`35e8723ab0414fa2f1d4db45d52e2254`
SHA256	`502267c55b05ea3ab651a776028ab40f3b91a0340df2dcdf8728b366cc621e6a`
CRC32	`20A628F9`
ssdeep	`1536:EUAcKVmFyjZEVUT32pHgt013uN6Q5tsFJSsbKTMw7kDMYJiuI/xIaVPQdu4koosU:NxG`
Yara	Generic_Malware_Zero - Generic Malware

cmd.exe "C:\Windows\System32\cmd.exe" /c start /wait "CkFvjfIxthDUyLV" C:\Users\test22\AppData\Local\Temp\2.trf
180
- rundll32.exe "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\test22\AppData\Local\Temp\2.trf
  1376
  - editplus.exe "editplus.exe"
    2264
explorer.exe C:\Windows\Explorer.EXE
1236

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

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameW Oct. 3, 2021, 9:51 a.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW Oct. 3, 2021, 9:51 a.m.	computer_name: TEST22-PC	1	1	0

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Oct. 3, 2021, 9:58 a.m.			0	0
IsDebuggerPresent Oct. 3, 2021, 9:58 a.m.			0	0

Tries to locate where the browsers are installed (1 event)

file	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe

Allocates read-write-execute memory (usually to unpack itself) (15 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73f90000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73601000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73571000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x734c1000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73602000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x736c1000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73e81000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74001000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73331000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73e51000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x76ec1000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72041000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 1376 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72043000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 2264 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73602000 process_handle: 0xffffffff	1	0	0
NtProtectVirtualMemory Oct. 3, 2021, 9:58 a.m.	process_identifier: 2264 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72043000 process_handle: 0xffffffff	1	0	0

Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation (1 event)

Time & API	Arguments	Status	Return	Repeated
GetDiskFreeSpaceExW Oct. 3, 2021, 9:51 a.m.	total_number_of_free_bytes: 10933768192 free_bytes_available: 10933768192 root_path: C:\ total_number_of_bytes: 34252779520	1	1	0

Creates a shortcut to an executable file (13 events)

file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools\System Configuration.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\EditPlus.lnk
file	C:\Users\test22\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Windows Explorer.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Snipping Tool.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Welcome Center.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Paint.lnk
file	C:\Users\test22\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Chrome.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\7-Zip\7-Zip File Manager.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Calculator.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Acrobat Reader DC.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\displayswitch.lnk
file	C:\Users\test22\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Internet Explorer.lnk
file	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Sticky Notes.lnk

Checks for the Locally Unique Identifier on the system for a suspicious privilege (8 events)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Oct. 3, 2021, 9:51 a.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0
LookupPrivilegeValueW Oct. 3, 2021, 9:51 a.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0
LookupPrivilegeValueW Oct. 3, 2021, 9:51 a.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0
LookupPrivilegeValueW Oct. 3, 2021, 9:51 a.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0
LookupPrivilegeValueW Oct. 3, 2021, 9:51 a.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0
LookupPrivilegeValueW Oct. 3, 2021, 9:51 a.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0
LookupPrivilegeValueW Oct. 3, 2021, 9:51 a.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0
LookupPrivilegeValueW Oct. 3, 2021, 9:51 a.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0

Yara rule detected in process memory (8 events)

description	(no description)				rule	DebuggerCheck__GlobalFlags
description	(no description)				rule	DebuggerCheck__QueryInfo
description	(no description)				rule	DebuggerHiding__Thread
description	(no description)				rule	DebuggerHiding__Active
description	(no description)				rule	ThreadControl__Context
description	(no description)				rule	SEH__vectored
description	Checks if being debugged				rule	anti_dbg
description	Bypass DEP				rule	disable_dep

Attempts to modify browser security settings (1 event)

registry

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\EDITPLUS.EXE

File has been identified by 12 AntiVirus engines on VirusTotal as malicious (12 events)

ESET-NOD32	PowerShell/TrojanDropper.Agent.NO
Avast	Script:SNH-gen [Trj]
Kaspersky	HEUR:Trojan.PowerShell.Invoker.gen
DrWeb	PowerShell.Packed.50
McAfee-GW-Edition	PS/Agent.eo
Avira	VBS/Agent.PRG
ZoneAlarm	HEUR:Trojan.PowerShell.Invoker.gen
Cynet	Malicious (score: 99)
McAfee	PS/Agent.eo
Ikarus	Trojan-Dropper.PowerShell.Agent
Fortinet	PowerShell/Agent.NO!tr
AVG	Script:SNH-gen [Trj]

Harvests credentials from local email clients (1 event)

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\Mozilla Thunderbird\Capabilities\Hidden