Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	March 8, 2021, 11:20 a.m.	March 8, 2021, 11:20 a.m.

Size	265.5KB
Type	PE32 executable (DLL) (console) Intel 80386, for MS Windows
MD5	`4da066bbfe178014ed1042ce90b87ab0`
SHA256	`a442247fa7fd2b4b136ef5eceee848eb0e0f8d57ee37a984e1532c55a2e566a1`
CRC32	`F79B247A`
ssdeep	`6144:6X58RDEB+27WlYNRGSlkyvlTLCrEpkEBn/5nsX+bj:E58J27WGFdTL0aLBKXkj`
Yara	IsPE32 - (no description) IsDLL - (no description) IsConsole - (no description) IsPacked - Entropy Check HasRichSignature - Rich Signature Check Win32_Trojan_Emotet_RL_Gen_Zero - Win32 Trojan Emotet win_files_operation - Affect private profile PE_Header_Zero - PE File Signature Zero OS_Processor_Check_Zero - OS Processor Check Signature Zero Win32_Trojan_Emotet_RL_1_Zero - Win32 Trojan Emotet

rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ntB.dll,RunDLL
1908
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ntB.dll,
1756

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 (1 event)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent March 8, 2021, 11:20 a.m.			0	0

Allocates read-write-execute memory (usually to unpack itself) (14 events)

Time & API	Arguments	Status
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x1001d000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d40000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73771000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73ca1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72b94000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73772000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73c81000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007f0000 allocation_type: 12289 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 region_size: 110592 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00800000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x765b1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74f41000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x75241000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x75111000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73c71000 process_handle: 0xffffffff	1

Searches running processes potentially to identify processes for sandbox evasion, code injection or memory dumping (40 events)

Time & API	Arguments	Status	Return
Process32FirstW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: [System Process] process_identifier: 0	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: System process_identifier: 4	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: smss.exe process_identifier: 224	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: csrss.exe process_identifier: 300	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: wininit.exe process_identifier: 348	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: csrss.exe process_identifier: 364	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: winlogon.exe process_identifier: 396	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: services.exe process_identifier: 440	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: lsass.exe process_identifier: 456	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: lsm.exe process_identifier: 464	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 568	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 640	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 700	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 776	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 824	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: audiodg.exe process_identifier: 892	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 968	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 264	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: spoolsv.exe process_identifier: 820	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 292	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 1192	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: srvany.exe process_identifier: 1244	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: taskhost.exe process_identifier: 1284	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: KMService.exe process_identifier: 1324	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: conhost.exe process_identifier: 1376	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: sppsvc.exe process_identifier: 1800	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: svchost.exe process_identifier: 1876	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: dwm.exe process_identifier: 1496	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: explorer.exe process_identifier: 1848	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: WmiPrvSE.exe process_identifier: 1916	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: pw.exe process_identifier: 2816	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: SearchIndexer.exe process_identifier: 2940	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: SearchProtocolHost.exe process_identifier: 1480	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: SearchFilterHost.exe process_identifier: 3040	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: SearchProtocolHost.exe process_identifier: 2120	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: mobsync.exe process_identifier: 1068	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: pw.exe process_identifier: 2360	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: taskhost.exe process_identifier: 2036	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: sdclt.exe process_identifier: 3020	1	1
Process32NextW March 8, 2021, 11:20 a.m.	snapshot_handle: 0x0000014c process_name: rundll32.exe process_identifier: 1908	1	1

Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory March 8, 2021, 11:20 a.m.	process_identifier: 1908 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 106496 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x00821000 process_handle: 0xffffffff	1	0	0

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

section

{u'size_of_data': u'0x0001ae00', u'virtual_address': u'0x0002a000', u'entropy': 7.950882110847211, u'name': u'.rsrc', u'virtual_size': u'0x0001ac20'}

entropy

7.95088211085

description

A section with a high entropy has been found

entropy

0.406427221172

description

Overall entropy of this PE file is high

Expresses interest in specific running processes (1 event)

process

rundll32.exe

Yara rule detected in process memory (43 events)

description	Code injection with CreateRemoteThread in a remote process	rule	inject_thread
description	Create a windows service	rule	create_service
description	Create a COM server	rule	create_com_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 file	rule	spreading_file
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

File has been identified by 52 AntiVirus engines on VirusTotal as malicious (50 out of 52 events)

Bkav	W32.AIDetectVM.malware2
Elastic	malicious (high confidence)
DrWeb	Trojan.Packed2.42766
MicroWorld-eScan	Trojan.GenericKD.45125481
FireEye	Generic.mg.4da066bbfe178014
CAT-QuickHeal	Trojan.Woreflint
McAfee	Emotet-FSE!4DA066BBFE17
Cylance	Unsafe
Sangfor	Malware
CrowdStrike	win/malicious_confidence_80% (D)
Alibaba	Trojan:Win32/EmotetCrypt.2e67b0ac
K7GW	Riskware ( 0040eff71 )
K7AntiVirus	Riskware ( 0040eff71 )
Arcabit	Trojan.Generic.D2B08F69
BitDefenderTheta	Gen:NN.ZedlaF.34700.qu4@aOiDfwgi
Cyren	W32/S-b5f3e9c4!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/Kryptik.HIJY
APEX	Malicious
Avast	Win32:MalwareX-gen [Trj]
Kaspersky	HEUR:Backdoor.Win32.Emotet.gen
BitDefender	Trojan.GenericKD.45125481
Paloalto	generic.ml
Tencent	Malware.Win32.Gencirc.10ce2b7f
Ad-Aware	Trojan.GenericKD.45125481
Sophos	Mal/Generic-R + Troj/Agent-BGHE
Comodo	Malware@#2pkccst0eddk7
F-Secure	Trojan.TR/AD.Emotet.fuq
TrendMicro	TROJ_GEN.R002C0DLQ20
McAfee-GW-Edition	Emotet-FSE!4DA066BBFE17
Emsisoft	Trojan.GenericKD.45125481 (B)
Ikarus	Trojan-Banker.Emotet
Jiangmin	Backdoor.Emotet.ux
Avira	TR/AD.Emotet.fuq
Antiy-AVL	Trojan/Win32.Kryptik
Gridinsoft	Trojan.Win32.Kryptik.oa
Microsoft	Trojan:Win32/EmotetCrypt.PEF!MTB
ZoneAlarm	HEUR:Backdoor.Win32.Emotet.gen
GData	Trojan.GenericKD.45125481
Cynet	Malicious (score: 90)
AhnLab-V3	Malware/Win32.Generic.C4270310
VBA32	Trojan.Emotet
ALYac	Trojan.Agent.Emotet
MAX	malware (ai score=81)
Malwarebytes	Trojan.Emotet
TrendMicro-HouseCall	TROJ_GEN.R002C0DLQ20
Rising	Trojan.Kryptik!1.D0A1 (CLASSIC)
SentinelOne	Static AI - Malicious PE
Fortinet	W32/Kryptik.HIJY!tr
AVG	Win32:MalwareX-gen [Trj]

ntB.dll

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