Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Sept. 6, 2023, 4:52 p.m.	Sept. 6, 2023, 4:54 p.m.

Size	2.3MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`2bd43c0d8154511c0e587f32867b64e2`
SHA256	`d21d1a22fae807687828f71f86a5b5c1efe7fac2f0d7db69faf4b7b963753785`
CRC32	`961106EB`
ssdeep	`49152:acbz6oZU0itafljg3br5Whqtptz2GnZygx37QjaX2ACQmbiqu2rmP:acbaJwfls3/5ggtzjU04RM2Y`
PDB Path	D:\Projects\WinRAR\sfx\build\sfxzip32\Release\sfxzip.pdb
Yara	Malicious_Library_Zero - Malicious_Library OS_Processor_Check_Zero - OS Processor Check UPX_Zero - UPX packed file PE_Header_Zero - PE File Signature IsPE32 - (no description)

gusan.exe "C:\Users\test22\AppData\Local\Temp\gusan.exe"
2564
- regsvr32.exe "C:\Windows\System32\regsvr32.exe" BhZ~DUo7.52_ /s
  2640

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

This executable has a PDB path (1 event)

pdb_path

D:\Projects\WinRAR\sfx\build\sfxzip32\Release\sfxzip.pdb

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.didat

The file contains an unknown PE resource name possibly indicative of a packer (1 event)

resource name

PNG

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

Time & API	Arguments	Status
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2564 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72d62000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0229e000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x726f1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x726d1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x726c1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x726a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73921000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x75941000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x764b1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x75831000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72621000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72601000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x75bf1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x75591000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00340000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Creates a suspicious process (2 events)

cmdline	"C:\Windows\System32\regsvr32.exe" BhZ~DUo7.52_ /s
cmdline	regsvr32 BhZ~DUo7.52_ /s

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Local\Temp\BhZ~DUo7.52_

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 Sept. 6, 2023, 4:52 p.m.	process_identifier: 2640 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 20480 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x028d1000 process_handle: 0xffffffff	1	0	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

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2564 resumed a thread in remote process 2640
NtResumeThread Sept. 6, 2023, 4:52 p.m.	thread_handle: 0x000002c0 suspend_count: 1 process_identifier: 2640	1	0	0

File has been identified by 54 AntiVirus engines on VirusTotal as malicious (50 out of 54 events)

Bkav	W32.AIDetectMalware
Lionic	Trojan.Win32.Zenpak.tspc
Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.GenericKD.69134635
FireEye	Generic.mg.2bd43c0d8154511c
CAT-QuickHeal	Trojan.Zenpak
ALYac	Trojan.GenericKD.69121874
Cylance	unsafe
VIPRE	Trojan.Uztuby.4
Sangfor	Trojan.Win32.Zenpak.Vj7e
K7AntiVirus	Trojan ( 005aacba1 )
K7GW	Trojan ( 005aacba1 )
Arcabit	Trojan.Generic.D41EE92B
VirIT	Trojan.Win32.Genus.SYB
Cyren	W32/Kryptik.KNQ.gen!Eldorado
Symantec	Trojan.Gen.MBT
ESET-NOD32	a variant of Win32/Kryptik.HUNA
Cynet	Malicious (score: 100)
APEX	Malicious
Kaspersky	Trojan.Win32.Zenpak.dmdr
BitDefender	Trojan.GenericKD.69134635
NANO-Antivirus	Virus.Win32.Gen.ccmw
Avast	Win32:InjectorX-gen [Trj]
Tencent	Win32.Trojan.Zenpak.Simw
Emsisoft	Trojan.GenericKD.69134635 (B)
F-Secure	Trojan.TR/Crypt.Agent.jlcya
Zillya	Trojan.Zenpak.Win32.19996
TrendMicro	Trojan.Win32.AMADEY.YXDIDZ
McAfee-GW-Edition	BehavesLike.Win32.Generic.vc
Sophos	Mal/Dropper-AU
SentinelOne	Static AI - Suspicious PE
Jiangmin	Heur:TrojanDropper.TDSS
Webroot	W32.Trojan.Gen
Avira	TR/Crypt.Agent.jclir
Antiy-AVL	Trojan/Win32.Kryptik
Gridinsoft	Ransom.Win32.Bladabindi.sa
Xcitium	Malware@#dsbhcuy86vug
Microsoft	Trojan:Win32/Uztuby
ZoneAlarm	UDS:DangerousObject.Multi.Generic
GData	Trojan.GenericKD.69134635
Google	Detected
McAfee	Artemis!2BD43C0D8154
MAX	malware (ai score=85)
VBA32	Trojan.Zenpak
Malwarebytes	Malware.AI.4111194114
Panda	Trj/Chgt.AC
TrendMicro-HouseCall	Trojan.Win32.AMADEY.YXDIDZ
Rising	Trojan.Zenpak!8.10372 (TFE:3:qZTt58xsKLM)
Ikarus	Trojan.Win32.Crypt
Fortinet	W32/Kryptik.HUEI!tr

gusan.exe

Process Tree Toggle all

Network Toggle all

Suricata Toggle all

Suricata Alerts

Suricata TLS

Signatures Toggle All