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marikolock2.1.exe

NSIS UPX Malicious Library PE32 PE File
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6401 Nov. 3, 2023, 9:32 a.m. Nov. 3, 2023, 9:32 a.m.
Size 472.5KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5 1b4bc7eb054142c70e87755de845e039
SHA256 d0cbf22d6b18d9544e3c1488b363c099a29b698205bcca18a7eb1ae1c92d4343
CRC32 35B64393
ssdeep 12288:1a1rrvMZImfPZl/g7U2l4vW2klU1gQ3sfJ:eroZ3wP6+XrVfJ
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

NtProtectVirtualMemory

 process_identifier: 2556
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73272000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2652
region_size: 8192
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01d90000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2652
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01de0000
allocation_type: 12289 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2716
region_size: 3158016
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x008a0000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0
file C:\Users\test22\AppData\Local\Temp\umesd.exe
Time & API Arguments Status Return Repeated

LookupPrivilegeValueW

 system_name:
privilege_name: SeDebugPrivilege
1 1 0
Process injection Process 2652 called NtSetContextThread to modify thread in remote process 2716
Time & API Arguments Status Return Repeated

NtSetContextThread

 registers.eip: 1995571652
registers.esp: 1638384
registers.edi: 0
registers.eax: 4321408
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x000000f0
process_identifier: 2716
1 0 0
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