Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	Sept. 4, 2023, 5:06 p.m.	Sept. 4, 2023, 5:15 p.m.

Size	2.7MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`2b245ca7b7a91f0945275b6e77190e05`
SHA256	`c0ca3b7b303eb521724a9304137fc6a0c4b41b1f0af8c42da41275f17a880114`
CRC32	`497208E9`
ssdeep	`49152:Hdgas7csAQzAtkF22CH7+9Z1Z1vOpYgkSQ3Su4UuhZ+yesiiFjcf:HgTAQ4HvH7QZfgpJG4tr+yesBFe`
PDB Path	D:\Projects\WinRAR\sfx\build\sfxrar32\Release\sfxrar.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"
792
- regsvr32.exe "C:\Windows\System32\regsvr32.exe" -u -s BoHVhBvo.fYN
  2072

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\sfxrar32\Release\sfxrar.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) (14 events)

Time & API	Arguments	Status
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a5d000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x75201000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x76971000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x74fc1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73cb1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73da1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73c91000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 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
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73c61000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73be1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72c11000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x758f1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x756e1000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 4, 2023, 5:04 p.m.	process_identifier: 2072 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00320000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Creates a suspicious process (2 events)

cmdline	regsvr32 -u -s BoHVhBvo.fYN
cmdline	"C:\Windows\System32\regsvr32.exe" -u -s BoHVhBvo.fYN

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

file	C:\Users\test22\AppData\Local\Temp\BohvhBvo.fyn

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 792 resumed a thread in remote process 2072
NtResumeThread Sept. 4, 2023, 5:04 p.m.	thread_handle: 0x000002b8 suspend_count: 1 process_identifier: 2072	1	0	0

File has been identified by 29 AntiVirus engines on VirusTotal as malicious (29 events)

Bkav	W32.AIDetectMalware
Cynet	Malicious (score: 100)
FireEye	Generic.mg.2b245ca7b7a91f09
Cylance	unsafe
Zillya	Dropper.Agent.VBS.401
Sangfor	Trojan.Win32.Save.a
BitDefenderTheta	Gen:NN.ZedlaF.36662.iA8@aW5xK!m
Elastic	malicious (high confidence)
APEX	Malicious
Kaspersky	VHO:Trojan.Win32.Zenpak.gen
BitDefender	Trojan.Uztuby.4
NANO-Antivirus	Virus.Win32.Gen.ccmw
MicroWorld-eScan	Trojan.Uztuby.4
Sophos	Mal/EncPk-APX
VIPRE	Trojan.Uztuby.4
McAfee-GW-Edition	BehavesLike.Win32.Generic.vc
Emsisoft	Trojan.Uztuby.4 (B)
SentinelOne	Static AI - Suspicious SFX
Microsoft	Trojan:Win32/Zusy.FXB!MTB
Arcabit	Trojan.Uztuby.4
ZoneAlarm	VHO:Trojan.Win32.Zenpak.gen
GData	Trojan.Uztuby.4
Google	Detected
ALYac	Trojan.Uztuby.4
MAX	malware (ai score=88)
Rising	Trojan.Zenpak!8.10372 (TFE:4:iFzWrkBR7nC)
Fortinet	W32/Kryptik.HUEI!tr
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_70% (D)

gusan.exe

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