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defme.exe

AsyncRAT PE64 PE File
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6401 June 12, 2021, 1:03 p.m. June 12, 2021, 1:18 p.m.
Size 8.7MB
Type PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows
MD5 738daab8f14410ad4d68d4b65c89f31e
SHA256 10d2012bd27f633c248587af6f7eb38302d757202a59f71b6aece282eac294df
CRC32 1EAFBA61
ssdeep 196608:zQr6SHMTHsGTAUN769pC9xWgsPxurX1Sj/w0B0b:XiMTEUl63sqorFQ/wc0b
Yara
  • Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT
  • PE_Header_Zero - PE File Signature
  • IsPE64 - (no description)

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

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
0x7fe91cc1430
mscorlib+0x48941c @ 0x7fef022941c
CoUninitializeEE+0x4c56f GetMetaDataInternalInterface-0x2b1ad clr+0x4f713 @ 0x7fef136f713
CoUninitializeEE+0x4c09e GetMetaDataInternalInterface-0x2b67e clr+0x4f242 @ 0x7fef136f242
CoUninitializeEE+0x4c167 GetMetaDataInternalInterface-0x2b5b5 clr+0x4f30b @ 0x7fef136f30b
CreateHistoryReader+0x8017 StrongNameSignatureVerification-0x321d clr+0x17da6f @ 0x7fef149da6f
StrongNameTokenFromPublicKey+0x1d55d SetRuntimeInfo-0x1e3e3 clr+0xb34ad @ 0x7fef13d34ad
StrongNameTokenFromPublicKey+0x1d4fa SetRuntimeInfo-0x1e446 clr+0xb344a @ 0x7fef13d344a
CreateHistoryReader+0x8273 StrongNameSignatureVerification-0x2fc1 clr+0x17dccb @ 0x7fef149dccb
CreateHistoryReader+0x8119 StrongNameSignatureVerification-0x311b clr+0x17db71 @ 0x7fef149db71
CoUninitializeEE+0x677a4 GetMetaDataInternalInterface-0xff78 clr+0x6a948 @ 0x7fef138a948
GetMetaDataInternalInterface+0x6b03 CreateAssemblyNameObject-0xff5d clr+0x813c3 @ 0x7fef13a13c3
GetMetaDataInternalInterface+0x7d22 CreateAssemblyNameObject-0xed3e clr+0x825e2 @ 0x7fef13a25e2
mscorlib+0x48a0ab @ 0x7fef022a0ab
mscorlib+0x489aad @ 0x7fef0229aad
mscorlib+0x481982 @ 0x7fef0221982
mscorlib+0x481619 @ 0x7fef0221619
mscorlib+0x4812e3 @ 0x7fef02212e3
mscorlib+0x486344 @ 0x7fef0226344
0x7fe91cc112f
0x7fe91cc0f12
0x7fe91cc0e96
0x7fe91cc0cb4
CoUninitializeEE+0x4c56f GetMetaDataInternalInterface-0x2b1ad clr+0x4f713 @ 0x7fef136f713
CoUninitializeEE+0x4c09e GetMetaDataInternalInterface-0x2b67e clr+0x4f242 @ 0x7fef136f242
CoUninitializeEE+0x4c167 GetMetaDataInternalInterface-0x2b5b5 clr+0x4f30b @ 0x7fef136f30b
_CorExeMain+0x335c ClrCreateManagedInstance-0x15ae4 clr+0x1e721c @ 0x7fef150721c
_CorExeMain+0x3ab6 ClrCreateManagedInstance-0x1538a clr+0x1e7976 @ 0x7fef1507976
_CorExeMain+0x39b0 ClrCreateManagedInstance-0x15490 clr+0x1e7870 @ 0x7fef1507870
_CorExeMain+0x3526 ClrCreateManagedInstance-0x1591a clr+0x1e73e6 @ 0x7fef15073e6
_CorExeMain+0x347e ClrCreateManagedInstance-0x159c2 clr+0x1e733e @ 0x7fef150733e
_CorExeMain+0x14 ClrCreateManagedInstance-0x18e2c clr+0x1e3ed4 @ 0x7fef1503ed4
_CorExeMain+0x5d CLRCreateInstance-0x2bd3 mscoreei+0x74e5 @ 0x7fef30074e5
_CorExeMain+0x69 ND_RU1-0x1707 mscoree+0x5b21 @ 0x7fef3805b21
BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76e5652d
RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x771ec521

exception.instruction_r: 80 38 00 48 8b 4d 10 48 8b 55 08 e8 50 d2 50 5e
exception.instruction: cmp byte ptr [rax], 0
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x7fe91cc1430
registers.r14: 0
registers.r15: 0
registers.rcx: 459800762
registers.rsi: 0
registers.r10: 57415040
registers.rbx: 0
registers.rsp: 4980160
registers.r11: 4965680
registers.r8: 57414760
registers.r9: 8791534071896
registers.rdx: 57414760
registers.r12: 0
registers.rbp: 0
registers.rdi: 0
registers.rax: 0
registers.r13: 0
1 0 0
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 1048576
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000000ad0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 8192
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000000b50000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1321000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef19bb000
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 2228224
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000002ed0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 8192
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000003070000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1322000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1324000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1324000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1324000
process_handle: 0xffffffffffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1108
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fef1324000
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 655360
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fffff10000
allocation_type: 1056768 (MEM_RESERVE|MEM_TOP_DOWN)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fffff10000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fffff10000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fffff20000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 65536
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fffff00000
allocation_type: 1056768 (MEM_RESERVE|MEM_TOP_DOWN)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fffff00000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91b9a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91bac000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91cc0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91c4c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91c76000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91c50000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91bbb000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91b9b000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91baa000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91bec000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91bbd000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91b92000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1108
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x000007fe91cc1000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0
section {u'size_of_data': u'0x008af800', u'virtual_address': u'0x00002000', u'entropy': 7.999881919127707, u'name': u'.text', u'virtual_size': u'0x008af7e0'} entropy 7.99988191913 description A section with a high entropy has been found
entropy 0.999831375415 description Overall entropy of this PE file is high
host 172.67.188.154
Elastic malicious (high confidence)
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