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ServiceCore.dll

PE32 PE File DLL
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6402 June 24, 2021, 11:11 p.m. June 24, 2021, 11:47 p.m.
Size 167.0KB
Type PE32 executable (DLL) (GUI) Intel 80386, for MS Windows, UPX compressed
MD5 0a32af7486ad37209fbef9b5789901e8
SHA256 74d8b45093a2d8e5ae83f5555512f3053d55c9988857d7d1592dce38bf0206ba
CRC32 6CE8DA2E
ssdeep 3072:iNKTHJrsNCZ1rAQPCzXxk/cwETKJJlnv1SwGNXBP3pcwP751Pn9s3PEC/wsIYY:iNsNzrAGf/zVJJ9dSwMvSwP751P9+r/e
Yara
  • PE_Header_Zero - PE File Signature
  • IsDLL - (no description)
  • IsPE32 - (no description)

Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action
164.124.101.2 Active Moloch
172.217.25.14 Active Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
rundll32+0x137d @ 0x63137d
rundll32+0x1326 @ 0x631326
rundll32+0x1901 @ 0x631901
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 81 39 e8 03 00 00 ba 01 00 00 00 a1 08 09 85 73
exception.instruction: cmp dword ptr [ecx], 0x3e8
exception.exception_code: 0xc0000005
exception.symbol: RunService+0x2c RunServiceEx-0x124 servicecore+0x14cc
exception.address: 0x737f14cc
registers.esp: 2619584
registers.edi: 0
registers.eax: 2619600
registers.ebp: 2619612
registers.edx: 4
registers.ebx: 0
registers.esi: 4981154
registers.ecx: 4981154
1 0 0

__exception__

 stacktrace: 
rundll32+0x137d @ 0x63137d
rundll32+0x1326 @ 0x631326
rundll32+0x1901 @ 0x631901
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 81 39 e8 03 00 00 ba 01 00 00 00 a1 08 09 85 73
exception.instruction: cmp dword ptr [ecx], 0x3e8
exception.exception_code: 0xc0000005
exception.symbol: RunServiceEx+0x2c GetPBData-0x134 servicecore+0x161c
exception.address: 0x737f161c
registers.esp: 1964344
registers.edi: 0
registers.eax: 1964360
registers.ebp: 1964372
registers.edx: 4
registers.ebx: 0
registers.esi: 3604904
registers.ecx: 3604904
1 0 0

__exception__

 stacktrace: 
rundll32+0x137d @ 0x63137d
rundll32+0x1326 @ 0x631326
rundll32+0x1901 @ 0x631901
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757333ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 8b 18 8d 70 04 8b c3 89 5d f4 89 75 fc 83 e8 01
exception.instruction: mov ebx, dword ptr [eax]
exception.exception_code: 0xc0000005
exception.symbol: SetInfo+0xc JumpLogin-0x334 servicecore+0x1a0c
exception.address: 0x737f1a0c
registers.esp: 1308860
registers.edi: 0
registers.eax: 5964646
registers.ebp: 1308892
registers.edx: 4
registers.ebx: 0
registers.esi: 5964646
registers.ecx: 0
1 0 0
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 7960
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76891000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7960
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e80000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7960
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73771000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7960
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72231000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7960
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72da4000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7960
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7960
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e01000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 4980
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76891000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 4980
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e80000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 4980
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73771000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 4980
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x721a1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 4980
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72da4000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 4980
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 4980
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e01000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 9132
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76891000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 9132
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e80000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 9132
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73771000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 9132
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72231000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 9132
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72da4000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 9132
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 9132
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e01000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 9132
region_size: 65536
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6c470000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 9132
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x74482000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8868
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76891000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8868
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e80000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8868
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73771000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8868
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x721a1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8868
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72da4000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8868
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8868
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e01000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 8868
region_size: 65536
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6c470000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 8868
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x74482000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1608
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76891000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1608
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e80000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1608
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73771000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1608
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72231000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1608
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72da4000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1608
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1608
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e01000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7076
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76891000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7076
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e80000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7076
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73771000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7076
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72231000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7076
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72da4000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7076
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 7076
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e01000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2648
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76891000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2648
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e80000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2648
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73771000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2648
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72231000
process_handle: 0xffffffff
1 0 0
section {u'size_of_data': u'0x00029400', u'virtual_address': u'0x00046000', u'entropy': 7.92797132252336, u'name': u'UPX1', u'virtual_size': u'0x0002a000'} entropy 7.92797132252 description A section with a high entropy has been found
entropy 0.993975903614 description Overall entropy of this PE file is high
section UPX0 description Section name indicates UPX
section UPX1 description Section name indicates UPX
host 172.217.25.14