Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	April 22, 2021, 10:02 p.m.	April 22, 2021, 10:02 p.m.

Size	184.0KB
Type	PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5	`d0b30b11795c869a2d3c83be6761067b`
SHA256	`9ca0cd857f782c3209e50197e74bdd75d6c7d2a74f76fcdd18a6cfd1e95532d5`
CRC32	`98A7C0D7`
ssdeep	`3072:haA+SItMob7Rb+5jGOuNns4IJUu/AHD7GxVhmoOqLMUFZrtIJA7jKjV51mUanDi:stMo3RM6+UuqGXh9OEgACJfanu`
Yara	PE_Header_Zero - PE File Signature Zero OS_Processor_Check_Zero - OS Processor Check Signature Zero Win32_Trojan_Emotet_RL_Gen_Zero - Win32 Trojan Emotet IsPE32 - (no description) IsDLL - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check HasRichSignature - Rich Signature Check

rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\O28C.dll,Control_RunDLL
1016
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\O28C.dll,
1160

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 April 22, 2021, 10:02 p.m.			0	0

Uses Windows APIs to generate a cryptographic key (1 event)

Time & API	Arguments	Status	Return	Repeated
CryptGenKey April 22, 2021, 10:02 p.m.	crypto_handle: 0x00539b80 algorithm_identifier: 0x0000660e () flags: 1 key: f3=Y¢z~sË£ÁÙ3< provider_handle: 0x0053f418	1	1	0

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

Time & API	Arguments	Status
NtProtectVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x1000e000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d90000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 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 April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73751000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72b44000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73ca2000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d61000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b0000 allocation_type: 12289 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 region_size: 114688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 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 April 22, 2021, 10:02 p.m.	process_identifier: 1016 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 April 22, 2021, 10:02 p.m.	process_identifier: 1016 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 April 22, 2021, 10:02 p.m.	process_identifier: 1016 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 April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d51000 process_handle: 0xffffffff	1
NtProtectVirtualMemory April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d31000 process_handle: 0xffffffff	1

Searches running processes potentially to identify processes for sandbox evasion, code injection or memory dumping (3 events)

Time & API	Arguments	Status	Return
Process32NextW April 22, 2021, 10:02 p.m.	snapshot_handle: 0x0000014c process_name: mobsync.exe process_identifier: 844	1	1
Process32NextW April 22, 2021, 10:02 p.m.	snapshot_handle: 0x0000014c process_name: pw.exe process_identifier: 2684	1	1
Process32NextW April 22, 2021, 10:02 p.m.	snapshot_handle: 0x0000014c process_name: rundll32.exe process_identifier: 1016	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 April 22, 2021, 10:02 p.m.	process_identifier: 1016 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 110592 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x003e1000 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'0x0001c000', u'virtual_address': u'0x00013000', u'entropy': 7.9827619347011085, u'name': u'.rsrc', u'virtual_size': u'0x0001bf9c'}

entropy

7.9827619347

description

A section with a high entropy has been found

entropy

0.612021857923

description

Overall entropy of this PE file is high

Expresses interest in specific running processes (1 event)

process

rundll32.exe

File has been identified by 49 AntiVirus engines on VirusTotal as malicious (49 events)

Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.GenericKD.35936063
FireEye	Generic.mg.d0b30b11795c869a
McAfee	Emotet-FRR!D0B30B11795C
VIPRE	Trojan.Win32.Generic!BT
Sangfor	Malware
K7AntiVirus	Trojan ( 00575b801 )
Alibaba	Trojan:Win32/EmotetCrypt.25b00ff5
K7GW	Trojan ( 00575b801 )
CrowdStrike	win/malicious_confidence_100% (W)
Arcabit	Trojan.Generic.D224573F
Cyren	W32/Emotet.AZU.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
APEX	Malicious
Paloalto	generic.ml
Kaspersky	HEUR:Trojan-Banker.Win32.Emotet.pef
BitDefender	Trojan.GenericKD.35936063
AegisLab	Trojan.Win32.Emotet.L!c
Avast	Win32:MalwareX-gen [Trj]
Tencent	Malware.Win32.Gencirc.10ce3063
Ad-Aware	Trojan.GenericKD.35936063
Sophos	Mal/Generic-S + Troj/Emotet-CVD
F-Secure	Trojan.TR/AD.Emotet.gdo
TrendMicro	TROJ_GEN.R049C0DA321
McAfee-GW-Edition	BehavesLike.Win32.Emotet.cc
Emsisoft	Trojan.GenericKD.35936063 (B)
SentinelOne	Static AI - Malicious PE
Jiangmin	Backdoor.Emotet.vo
Avira	TR/AD.Emotet.gdo
Antiy-AVL	Trojan[Backdoor]/Win32.Emotet
Gridinsoft	Trojan.Win32.Emotet.oa
Microsoft	Trojan:Win32/EmotetCrypt.SS!MTB
ZoneAlarm	HEUR:Trojan-Banker.Win32.Emotet.pef
GData	Trojan.GenericKD.35936063
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win32.Emotet.R361809
ALYac	Trojan.Agent.Emotet
MAX	malware (ai score=80)
VBA32	Trojan.Emotet
Malwarebytes	Trojan.Emotet
ESET-NOD32	Win32/Emotet.CN
TrendMicro-HouseCall	TROJ_GEN.R049C0DA321
Rising	Trojan.Kryptik!1.D077 (CLASSIC)
Ikarus	Trojan-Banker.Emotet
Fortinet	W32/Kryptik.HILQ!tr
Webroot	W32.Trojan.Emotet
AVG	Win32:MalwareX-gen [Trj]
Panda	Trj/CI.A
Qihoo-360	Generic/Trojan.75e

O28C.dll

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