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Server.exe

backdoor njRAT Generic Malware PE File PE32 .NET EXE
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6403_us June 30, 2023, 5:39 p.m. June 30, 2023, 5:43 p.m.
Size 37.0KB
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5 56f10385f411be078b84b42560ddea61
SHA256 75bbb15f174d663eed7f4f52cb936a92ab9c73f1f6d4b915f0d2f4521989e541
CRC32 09681D9E
ssdeep 384:bAI1t/CiMx3jBVbJsy8PrWbAox3Nd7pQyGpRrAF+rMRTyN/0L+EcoinblneHQM38:M40bJP8PrGA2HNtGnrM+rMRa8Nu2it
Yara
  • Win_Backdoor_njRAT_Zero - Win Backdoor njRAT
  • Is_DotNET_EXE - (no description)
  • PE_Header_Zero - PE File Signature
  • IsPE32 - (no description)
  • Generic_Malware_Zero - Generic Malware

Name Response Post-Analysis Lookup
windwosupdata.ddns.net
A 178.80.111.72
178.80.111.72
IP Address Status Action
164.124.101.2 Active Moloch
178.80.111.72 Active Moloch

Suricata Alerts

Flow SID Signature Category
UDP 192.168.56.103:50800 -> 164.124.101.2:53 2028675 ET POLICY DNS Query to DynDNS Domain *.ddns .net Potentially Bad Traffic
UDP 192.168.56.103:52760 -> 164.124.101.2:53 2028675 ET POLICY DNS Query to DynDNS Domain *.ddns .net Potentially Bad Traffic

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

IsDebuggerPresent

 0 0
Time & API Arguments Status Return Repeated

WriteConsoleA

 buffer: IMPORTANT: Command executed successfully. However, "netsh firewall" is deprecated; use "netsh advfirewall firewall" instead. For more information on using "netsh advfirewall firewall" commands instead of "netsh firewall", see KB article 947709 at http://go.microsoft.com/fwlink/?linkid=121488 .
console_handle: 0x00000007
1 1 0

WriteConsoleA

 buffer: Ok.
console_handle: 0x00000007
1 1 0
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
domain windwosupdata.ddns.net
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 262144
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003c0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003c0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1696
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x74021000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0056a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1696
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 8192
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x74022000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00562000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00572000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00573000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005ab000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005a7000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0057c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x009f0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00574000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 8192
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00575000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0059a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00592000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x009f1000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1696
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0057a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
Time & API Arguments Status Return Repeated

SetFileAttributesW

 file_attributes: 2 (FILE_ATTRIBUTE_HIDDEN)
filepath_r: C:\Users\test22\AppData\Local\Temp\Server.exe
filepath: C:\Users\test22\AppData\Local\Temp\Server.exe
1 1 0
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dead_host 192.168.56.103:49181
dead_host 192.168.56.103:49190
dead_host 192.168.56.103:49177
dead_host 192.168.56.103:49186
dead_host 192.168.56.103:49174
dead_host 192.168.56.103:49167
dead_host 178.80.111.72:5552
dead_host 192.168.56.103:49170
dead_host 192.168.56.103:49182
dead_host 192.168.56.103:49187
dead_host 192.168.56.103:49175
dead_host 192.168.56.103:49178
dead_host 192.168.56.103:49171
dead_host 192.168.56.103:49188
dead_host 192.168.56.103:49183
dead_host 192.168.56.103:49184
dead_host 192.168.56.103:49172
dead_host 192.168.56.103:49165
dead_host 192.168.56.103:49179
dead_host 192.168.56.103:49168
dead_host 192.168.56.103:49189
dead_host 192.168.56.103:49180
dead_host 192.168.56.103:49185
dead_host 192.168.56.103:49173
dead_host 192.168.56.103:49176
dead_host 192.168.56.103:49169
dead_host 192.168.56.103:49166