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build.exe

Malicious Library UPX OS Processor Check PE32 PE File
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6403_us July 6, 2023, 7:23 a.m. July 6, 2023, 7:27 a.m.
Size 449.5KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 500c633d97542e90c7c7baee6ae96c4f
SHA256 066fdbbecdb4c5c5bcea1c9c8e817ed2f2883c5f7e184444a95f6a82391a996b
CRC32 A3ED5DF5
ssdeep 6144:gqDCYWaEZ8+k5xpUymqhFpMzgHKZms6IXhBs0HsKXJKyNftqzC:hWaEa+apvhFpImuhu0xJKyNsz
Yara
  • UPX_Zero - UPX packed file
  • OS_Processor_Check_Zero - OS Processor Check
  • Malicious_Library_Zero - Malicious_Library
  • PE_Header_Zero - PE File Signature
  • 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

section .wonufay
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 1572
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 311296
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01cfa000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1572
region_size: 573440
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01b80000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
section {u'size_of_data': u'0x0004c600', u'virtual_address': u'0x0001e000', u'entropy': 7.98640870692386, u'name': u'.data', u'virtual_size': u'0x0174bb8c'} entropy 7.98640870692 description A section with a high entropy has been found
entropy 0.68115942029 description Overall entropy of this PE file is high