Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Nov. 22, 2024, 3:10 p.m.	Nov. 22, 2024, 3:15 p.m.

Size	1.7MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`fecd099f9b8d9500d7199a1054397e3f`
SHA256	`96a60b6cde63794b637bce219083e7905560c626e68c00af1d99be451c8c3700`
CRC32	`424624E1`
ssdeep	`49152:zUjKZGiyt7lO9kwWzJLPKeVMFZkYilgWRqadRRnqxD:iflWeOeV8ulCaLc`
Yara	Malicious_Library_Zero - Malicious_Library IsPE32 - (no description) PE_Header_Zero - PE File Signature Win32_Trojan_Emotet_2_Zero - Win32 Trojan Emotet UPX_Zero - UPX packed file mzp_file_format - MZP(Delphi) file format

SillyShelf.exe "C:\Users\test22\AppData\Local\Temp\SillyShelf.exe"
2564
- SillyShelf.tmp "C:\Users\test22\AppData\Local\Temp\is-6DAMO.tmp\SillyShelf.tmp" /SL5="$7012C,1389145,140800,C:\Users\test22\AppData\Local\Temp\SillyShelf.exe"
  2616
  - cmd.exe "cmd.exe" /C timeout /T 3 & "C:\Users\test22\AppData\Local\Temp\SillyShelf.exe" /VERYSILENT /SUPPRESSMSGBOXES
    2688
    - timeout.exe timeout /T 3
      2756
    - SillyShelf.exe "C:\Users\test22\AppData\Local\Temp\SillyShelf.exe" /VERYSILENT /SUPPRESSMSGBOXES
      2820
      - SillyShelf.tmp "C:\Users\test22\AppData\Local\Temp\is-MIRJJ.tmp\SillyShelf.tmp" /SL5="$10194,1389145,140800,C:\Users\test22\AppData\Local\Temp\SillyShelf.exe" /VERYSILENT /SUPPRESSMSGBOXES
        2864
        
        regsvr32.exe "regsvr32.exe" /s /i:INSTALL "C:\Users\test22\AppData\Roaming\\PoisedCoyote.dll"
        2916
        
        regsvr32.exe /s /i:INSTALL "C:\Users\test22\AppData\Roaming\\PoisedCoyote.dll"
        2960

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

Queries for the computername (1 event)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameW Nov. 22, 2024, 3:10 p.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 Nov. 22, 2024, 3:10 p.m.			0	0
IsDebuggerPresent Nov. 22, 2024, 3:10 p.m.			0	0

Command line console output was observed (2 events)

Time & API	Arguments	Status	Return	Repeated
WriteConsoleW Nov. 22, 2024, 3:10 p.m.	buffer: Waiting for 3 console_handle: 0x00000007	1	1	0
WriteConsoleW Nov. 22, 2024, 3:10 p.m.	buffer: seconds, press a key to continue ... console_handle: 0x00000007	1	1	0

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx Nov. 22, 2024, 3:10 p.m.		1	1	0

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

section

.itext

Allocates read-write-execute memory (usually to unpack itself) (12 events)

Time & API	Arguments	Status
NtProtectVirtualMemory Nov. 22, 2024, 3:10 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: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2564 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 90112 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00401000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2564 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 53248 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00420000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 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: 0x73bc2000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73bc2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2616 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01f90000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2820 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2820 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 90112 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00401000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2820 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 53248 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00420000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2820 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73bc2000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2864 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73bc2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Nov. 22, 2024, 3:10 p.m.	process_identifier: 2864 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x01eb0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Creates executable files on the filesystem (2 events)

file	C:\Users\test22\AppData\Local\Temp\is-27LR7.tmp\_isetup\_shfoldr.dll
file	C:\Users\test22\AppData\Local\Temp\is-LPQVG.tmp\_isetup\_shfoldr.dll

Creates a suspicious process (2 events)

cmdline	"regsvr32.exe" /s /i:INSTALL "C:\Users\test22\AppData\Roaming\\PoisedCoyote.dll"
cmdline	"cmd.exe" /C timeout /T 3 & "C:\Users\test22\AppData\Local\Temp\SillyShelf.exe" /VERYSILENT /SUPPRESSMSGBOXES

Drops an executable to the user AppData folder (2 events)

file	C:\Users\test22\AppData\Local\Temp\is-MIRJJ.tmp\SillyShelf.tmp
file	C:\Users\test22\AppData\Local\Temp\is-LPQVG.tmp\_isetup\_shfoldr.dll

Queries for potentially installed applications (6 events)

Time & API	Arguments	Return
RegOpenKeyExW Nov. 22, 2024, 3:10 p.m.	regkey_r: Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1 base_handle: 0x80000001 key_handle: 0x00000000 options: 0 access: 0x00000001 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1	2
RegOpenKeyExW Nov. 22, 2024, 3:10 p.m.	regkey_r: Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1 base_handle: 0x80000002 key_handle: 0x00000000 options: 0 access: 0x00000001 regkey: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1	2
RegOpenKeyExW Nov. 22, 2024, 3:10 p.m.	regkey_r: Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1 base_handle: 0x80000001 key_handle: 0x00000000 options: 0 access: 0x00000001 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1	2
RegOpenKeyExW Nov. 22, 2024, 3:10 p.m.	regkey_r: Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1 base_handle: 0x80000002 key_handle: 0x00000000 options: 0 access: 0x00000001 regkey: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1	2
RegOpenKeyExW Nov. 22, 2024, 3:10 p.m.	regkey_r: Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1 base_handle: 0x80000001 key_handle: 0x00000000 options: 0 access: 0x00000008 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1	2
RegOpenKeyExW Nov. 22, 2024, 3:10 p.m.	regkey_r: Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1 base_handle: 0x80000002 key_handle: 0x00000000 options: 0 access: 0x00000008 regkey: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\Little Leg_is1	2

File has been identified by 37 AntiVirus engines on VirusTotal as malicious (37 events)

Lionic	Trojan.Win32.Generic.4!c
Cynet	Malicious (score: 99)
Skyhigh	BehavesLike.Win32.Dropper.tc
Cylance	Unsafe
CrowdStrike	win/grayware_confidence_60% (W)
BitDefender	Trojan.GenericKD.74894279
Arcabit	Trojan.Generic.D476CBC7
Symantec	Trojan.Gen.MBT
Elastic	malicious (moderate confidence)
ESET-NOD32	a variant of Win64/Kryptik.ESM
Avast	FileRepMalware [Misc]
Kaspersky	UDS:DangerousObject.Multi.Generic
MicroWorld-eScan	Trojan.GenericKD.74894279
Rising	Trojan.Kryptik!8.8 (CLOUD)
Emsisoft	Trojan.GenericKD.74894279 (B)
F-Secure	Trojan.TR/AVI.Agent.krnss
TrendMicro	Trojan.Win32.AMADEY.YXEKUZ
McAfeeD	ti!96A60B6CDE63
CTX	exe.trojan.kryptik
Sophos	Mal/Generic-S
FireEye	Trojan.GenericKD.74894279
Google	Detected
Avira	TR/AVI.Agent.krnss
Kingsoft	Win32.Troj.Unknown.a
Microsoft	Trojan:Win32/Malgent!MSR
GData	Win64.Trojan.Agent.8POPZL
Varist	W32/ABTrojan.WVVK-1888
McAfee	Artemis!FECD099F9B8D
DeepInstinct	MALICIOUS
Malwarebytes	Generic.Malware/Suspicious
Ikarus	Trojan.Win64.Crypt
Panda	Trj/Chgt.AD
TrendMicro-HouseCall	Trojan.Win32.AMADEY.YXEKUZ
Fortinet	Malicious_Behavior.SB
AVG	FileRepMalware [Misc]
Paloalto	generic.ml
alibabacloud	Trojan:Win/Kryptik.EBO

SillyShelf.exe

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Suricata Alerts

Suricata TLS

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