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66eef0ca0fb35_lfdsa.exe

Antivirus ScreenShot AntiDebug PE File PE32 .NET EXE AntiVM
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6401 Sept. 23, 2024, 3:02 p.m. Sept. 23, 2024, 3:04 p.m.
Size 381.4KB
Type PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
MD5 f5a1956973dce107d4c0b6267ce88870
SHA256 7b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04
CRC32 3ABEE73A
ssdeep 6144:1v60lgEVBlU2GTOMzuC/cuVXRCEPZG03ZrkZdlBF4P+/G1GB64iL7yMsEO:1vBLblUlH5LXPZd3Z4ZdlBWPsQGB64iQ
PDB Path c:\rje\tg\v\obj\Release\Fcs.pdb
Yara
  • PE_Header_Zero - PE File Signature
  • Antivirus - Contains references to security software
  • Is_DotNET_EXE - (no description)
  • 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

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0
pdb_path c:\rje\tg\v\obj\Release\Fcs.pdb
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 1245184
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004a0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00590000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2556
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x727a1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2556
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x727a2000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 2097152
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02150000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02310000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003e2000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00415000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0041b000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00417000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003fc000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005f0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00406000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0040a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00407000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2556
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003ea000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2556
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 8192
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02351000
process_handle: 0xffffffff
1 0 0
section {u'size_of_data': u'0x00059c00', u'virtual_address': u'0x00002000', u'entropy': 7.996402279659533, u'name': u'.text', u'virtual_size': u'0x00059b64'} entropy 7.99640227966 description A section with a high entropy has been found
entropy 0.994459833795 description Overall entropy of this PE file is high
description Take ScreenShot rule ScreenShot
description (no description) rule DebuggerCheck__GlobalFlags
description (no description) rule DebuggerCheck__QueryInfo
description (no description) rule DebuggerHiding__Thread
description (no description) rule DebuggerHiding__Active
description (no description) rule ThreadControl__Context
description (no description) rule SEH__vectored
description Checks if being debugged rule anti_dbg
description Bypass DEP rule disable_dep
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2656
region_size: 409600
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x00000248
1 0 0
Time & API Arguments Status Return Repeated

WriteProcessMemory

 buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PEL<”ífà ªÒÀÓ@@@…ŠåxðÐH¬æ¨.textݨª `.rdata±)À*®@@.dataXðð^Ø@À.relocÐHðJ6@B
base_address: 0x00400000
process_identifier: 2656
process_handle: 0x00000248
1 1 0

WriteProcessMemory

 buffer: @
base_address: 0x7efde008
process_identifier: 2656
process_handle: 0x00000248
1 1 0
Time & API Arguments Status Return Repeated

WriteProcessMemory

 buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PEL<”ífà ªÒÀÓ@@@…ŠåxðÐH¬æ¨.textݨª `.rdata±)À*®@@.dataXðð^Ø@À.relocÐHðJ6@B
base_address: 0x00400000
process_identifier: 2656
process_handle: 0x00000248
1 1 0
Process injection Process 2556 called NtSetContextThread to modify thread in remote process 2656
Time & API Arguments Status Return Repeated

NtSetContextThread

 registers.eip: 1995571652
registers.esp: 1833776
registers.edi: 0
registers.eax: 4248512
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000244
process_identifier: 2656
1 0 0
Process injection Process 2556 resumed a thread in remote process 2656
Time & API Arguments Status Return Repeated

NtResumeThread

 thread_handle: 0x00000244
suspend_count: 1
process_identifier: 2656
1 0 0
Time & API Arguments Status Return Repeated

NtResumeThread

 thread_handle: 0x000000e4
suspend_count: 1
process_identifier: 2556
1 0 0

NtResumeThread

 thread_handle: 0x00000158
suspend_count: 1
process_identifier: 2556
1 0 0

NtResumeThread

 thread_handle: 0x00000194
suspend_count: 1
process_identifier: 2556
1 0 0

NtResumeThread

 thread_handle: 0x00000220
suspend_count: 1
process_identifier: 2556
1 0 0

NtResumeThread

 thread_handle: 0x00000238
suspend_count: 1
process_identifier: 2556
1 0 0

CreateProcessInternalW

 thread_identifier: 2660
thread_handle: 0x00000244
process_identifier: 2656
current_directory:
filepath: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
track: 1
command_line:
filepath_r: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
stack_pivoted: 0
creation_flags: 4 (CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x00000248
1 1 0

NtGetContextThread

 thread_handle: 0x00000244
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2656
region_size: 409600
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x00000248
1 0 0

WriteProcessMemory

 buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PEL<”ífà ªÒÀÓ@@@…ŠåxðÐH¬æ¨.textݨª `.rdata±)À*®@@.dataXðð^Ø@À.relocÐHðJ6@B
base_address: 0x00400000
process_identifier: 2656
process_handle: 0x00000248
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x00401000
process_identifier: 2656
process_handle: 0x00000248
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x0044c000
process_identifier: 2656
process_handle: 0x00000248
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x0044f000
process_identifier: 2656
process_handle: 0x00000248
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x0045f000
process_identifier: 2656
process_handle: 0x00000248
1 1 0

WriteProcessMemory

 buffer: @
base_address: 0x7efde008
process_identifier: 2656
process_handle: 0x00000248
1 1 0

NtSetContextThread

 registers.eip: 1995571652
registers.esp: 1833776
registers.edi: 0
registers.eax: 4248512
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000244
process_identifier: 2656
1 0 0

NtResumeThread

 thread_handle: 0x00000244
suspend_count: 1
process_identifier: 2656
1 0 0
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