Analysis
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max time kernel
152s -
max time network
148s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
20-01-2021 13:53
Static task
static1
Behavioral task
behavioral1
Sample
訂購#7507,pdf.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
訂購#7507,pdf.exe
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Size
1.6MB
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MD5
f6cb48b7da58c0de80dff93330eff8fb
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SHA1
3d079055b78a8388bb86541e7540923d26145df8
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SHA256
0ccee1c2d396c269e54c78081d7bd00c5694bc50e4ceedfcd3dc69d8ae40341a
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SHA512
1441d87f5a0f37f3aceee5ed7647fa303a2d5fa1c3009d4fc3538b9984a6758bb4b833dc8b79ca56cd6795486e5529beb2f0aeaf81e11942e9c993d83fe7c2e3
Malware Config
Extracted
Family
remcos
C2
movement2020.ddns.net:6735
Signatures
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Drops startup file 1 IoCs
Processes:
訂購#7507,pdf.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.url 訂購#7507,pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
訂購#7507,pdf.exedescription pid process target process PID 1668 set thread context of 1220 1668 訂購#7507,pdf.exe dllhost.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
訂購#7507,pdf.exepid process 1668 訂購#7507,pdf.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
訂購#7507,pdf.exepid process 1668 訂購#7507,pdf.exe 1668 訂購#7507,pdf.exe 1668 訂購#7507,pdf.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
訂購#7507,pdf.exepid process 1668 訂購#7507,pdf.exe 1668 訂購#7507,pdf.exe 1668 訂購#7507,pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
dllhost.exepid process 1220 dllhost.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
訂購#7507,pdf.exedescription pid process target process PID 1668 wrote to memory of 1220 1668 訂購#7507,pdf.exe dllhost.exe PID 1668 wrote to memory of 1220 1668 訂購#7507,pdf.exe dllhost.exe PID 1668 wrote to memory of 1220 1668 訂購#7507,pdf.exe dllhost.exe PID 1668 wrote to memory of 1220 1668 訂購#7507,pdf.exe dllhost.exe PID 1668 wrote to memory of 1220 1668 訂購#7507,pdf.exe dllhost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\訂購#7507,pdf.exe"C:\Users\Admin\AppData\Local\Temp\訂購#7507,pdf.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\dllhost.exe"C:\Windows\SysWOW64\dllhost.exe"2⤵
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1220-3-0x0000000000413FA4-mapping.dmp
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memory/1220-7-0x0000000000400000-0x0000000000421000-memory.dmpFilesize
132KB
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memory/1668-2-0x0000000074B31000-0x0000000074B33000-memory.dmpFilesize
8KB
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memory/1668-5-0x00000000001F0000-0x0000000000211000-memory.dmpFilesize
132KB
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memory/1668-6-0x00000000001A0000-0x00000000001A3000-memory.dmpFilesize
12KB