Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	Aug. 11, 2021, 9:58 a.m.	Aug. 11, 2021, 10 a.m.

Size	14.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`3e58adab7bb36200fde8294c1702c038`
SHA256	`5c436583189db78f942d50618b1530c419274d9ae8f29c29a75fcd6a54217260`
CRC32	`DABE791B`
ssdeep	`384:A5BXRMNr3facwKoD/uK3TnRsZygUYwfjSF:o6a/YygUY7`
PDB Path	C:\Users\Administrator\Documents\Visual Studio 2015\Projects\WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.pdb
Yara	Generic_Malware_Zero - Generic Malware Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature IsPE32 - (no description) Admin_Tool_IN_Zero - Admin Tool Sysinternals Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT

www.exe "C:\Users\test22\AppData\Local\Temp\www.exe"
2340
- schtasks.exe schtasks /create /sc minute /mo 1 /tn SkypeTH /tr "C:\Users\test22\AppData\Local\Temp\www.exe
  2460

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 Aug. 11, 2021, 9:58 a.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 Aug. 11, 2021, 9:58 a.m.			0	0
IsDebuggerPresent Aug. 11, 2021, 9:58 a.m.			0	0

Command line console output was observed (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteConsoleW Aug. 11, 2021, 9:58 a.m.	buffer: SUCCESS: The scheduled task "SkypeTH" has successfully been created. console_handle: 0x00000007	1	1	0

This executable has a PDB path (1 event)

pdb_path

C:\Users\Administrator\Documents\Visual Studio 2015\Projects\WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.pdb

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 Aug. 11, 2021, 9:58 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (16 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 1507328 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00620000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00750000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x731a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x731a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005c0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00562000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00595000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0059b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00597000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00970000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0058a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00587000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 11, 2021, 9:58 a.m.	process_identifier: 2340 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00586000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Creates a shortcut to an executable file (8 events)

file	C:\ProgramData\Microsoft Arts\Start\He.vbs.lnk
file	C:\Users\Public\Data\Hide.vbs.lnk
file	C:\Users\test22\AppData\Local\Temp\He.vbs.lnk
file	C:\ProgramData\Microsoft Arts\Start\OneDrive2.lnk
file	C:\ProgramData\Microsoft Arts\Start\Hide.vbs.lnk
file	C:\Users\Public\Data\OneDrive2.lnk
file	C:\Users\Public\Data\He.vbs.lnk
file	C:\Users\test22\AppData\Local\Temp\Hide.vbs.lnk

Creates a suspicious process (1 event)

cmdline

schtasks /create /sc minute /mo 1 /tn SkypeTH /tr "C:\Users\test22\AppData\Local\Temp\www.exe

File has been identified by 7 AntiVirus engines on VirusTotal as malicious (7 events)

CrowdStrike	win/malicious_confidence_70% (W)
APEX	Malicious
FireEye	Generic.mg.3e58adab7bb36200
Gridinsoft	Risk.CoinMiner.C.sd!yf
Cylance	Unsafe
SentinelOne	Static AI - Suspicious PE
MaxSecure	Trojan.Malware.300983.susgen

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Aug. 11, 2021, 9:58 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Uses Windows utilities for basic Windows functionality (1 event)

cmdline

schtasks /create /sc minute /mo 1 /tn SkypeTH /tr "C:\Users\test22\AppData\Local\Temp\www.exe

Installs itself for autorun at Windows startup (1 event)

cmdline

schtasks /create /sc minute /mo 1 /tn SkypeTH /tr "C:\Users\test22\AppData\Local\Temp\www.exe

www.exe

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