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macoptic2.1.exe

NSIS Malicious Library UPX PE File OS Processor Check PE32
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6403_us Nov. 3, 2023, 6:09 p.m. Nov. 3, 2023, 6:18 p.m.
Size 411.9KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5 d6c5df23371399eb60055b93d7b80ea7
SHA256 7fb8142113f69c8ad84a242ce0c6f17125baa756a6a43549d466ea26dbed7709
CRC32 BFE4FF53
ssdeep 12288:urCWDLCC6zQAnzN49TOD5iITFCsQv1dmm5oOcHZx:UCeLp2nzNg61iLP5lYZx
Yara
  • Malicious_Library_Zero - Malicious_Library
  • UPX_Zero - UPX packed file
  • PE_Header_Zero - PE File Signature
  • NSIS_Installer - Null Soft Installer
  • IsPE32 - (no description)

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

Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
section .ndata
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x778d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x778d9ea5

exception.symbol:
exception.exception_code: 0xc0000005
exception.address: 0xffd5f080
registers.esp: 4323272
registers.edi: 0
registers.eax: 1971270584
registers.ebp: 4323280
registers.edx: 4292210816
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
1 0 0
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2080
region_size: 8192
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00340000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2080
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00360000
allocation_type: 12289 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0
file C:\Users\test22\AppData\Local\Temp\wnvzxxb.exe
file C:\Users\test22\AppData\Local\Temp\wnvzxxb.exe
file C:\Users\test22\AppData\Local\Temp\wnvzxxb.exe
section {u'size_of_data': u'0x0000d000', u'virtual_address': u'0x00037000', u'entropy': 6.895564080355565, u'name': u'.rsrc', u'virtual_size': u'0x0000ced8'} entropy 6.89556408036 description A section with a high entropy has been found
entropy 0.630303030303 description Overall entropy of this PE file is high
Process injection Process 2080 called NtSetContextThread to modify thread in remote process 2156
Time & API Arguments Status Return Repeated

NtSetContextThread

 registers.eip: 2005598660
registers.esp: 4323372
registers.edi: 0
registers.eax: 782464
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x000000d0
process_identifier: 2156
1 0 0