Analysis
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max time kernel
157s -
max time network
162s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
01-12-2021 18:04
Static task
static1
Behavioral task
behavioral1
Sample
250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe
Resource
win7-en-20211014
General
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Target
250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe
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Size
370KB
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MD5
56dfbe78d5e7f1c1156a8dae8672a3e5
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SHA1
5ca03199a0db7465ca7fb92d2d48642f4f981d17
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SHA256
250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46
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SHA512
ea0fb267a6ab6b4838dc840ed7939dce72009d91f482d0c040e5a4d0b66a865e29a8b9e49b1c758b87a396453f0de7cef897aeb6bd3045f969cb68df68ae482f
Malware Config
Extracted
amadey
2.85
185.215.113.35/d2VxjasuwS/index.php
Signatures
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Executes dropped EXE 3 IoCs
Processes:
tkools.exetkools.exetkools.exepid process 3772 tkools.exe 2640 tkools.exe 1872 tkools.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 42 IoCs
Processes:
250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.execmd.execmd.execmd.execmd.exetkools.execmd.exedescription pid process target process PID 4212 wrote to memory of 4264 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 4264 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 4264 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4264 wrote to memory of 4220 4264 cmd.exe cmd.exe PID 4264 wrote to memory of 4220 4264 cmd.exe cmd.exe PID 4264 wrote to memory of 4220 4264 cmd.exe cmd.exe PID 4264 wrote to memory of 512 4264 cmd.exe cacls.exe PID 4264 wrote to memory of 512 4264 cmd.exe cacls.exe PID 4264 wrote to memory of 512 4264 cmd.exe cacls.exe PID 4212 wrote to memory of 4432 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 4432 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 4432 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4432 wrote to memory of 4472 4432 cmd.exe cacls.exe PID 4432 wrote to memory of 4472 4432 cmd.exe cacls.exe PID 4432 wrote to memory of 4472 4432 cmd.exe cacls.exe PID 4212 wrote to memory of 756 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 756 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 756 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 756 wrote to memory of 3184 756 cmd.exe cmd.exe PID 756 wrote to memory of 3184 756 cmd.exe cmd.exe PID 756 wrote to memory of 3184 756 cmd.exe cmd.exe PID 756 wrote to memory of 3208 756 cmd.exe cacls.exe PID 756 wrote to memory of 3208 756 cmd.exe cacls.exe PID 756 wrote to memory of 3208 756 cmd.exe cacls.exe PID 4212 wrote to memory of 3716 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 3716 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 3716 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe cmd.exe PID 4212 wrote to memory of 3772 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe tkools.exe PID 4212 wrote to memory of 3772 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe tkools.exe PID 4212 wrote to memory of 3772 4212 250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe tkools.exe PID 3716 wrote to memory of 3140 3716 cmd.exe cacls.exe PID 3716 wrote to memory of 3140 3716 cmd.exe cacls.exe PID 3716 wrote to memory of 3140 3716 cmd.exe cacls.exe PID 3772 wrote to memory of 1248 3772 tkools.exe cmd.exe PID 3772 wrote to memory of 1248 3772 tkools.exe cmd.exe PID 3772 wrote to memory of 1248 3772 tkools.exe cmd.exe PID 3772 wrote to memory of 1444 3772 tkools.exe schtasks.exe PID 3772 wrote to memory of 1444 3772 tkools.exe schtasks.exe PID 3772 wrote to memory of 1444 3772 tkools.exe schtasks.exe PID 1248 wrote to memory of 1976 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1976 1248 cmd.exe reg.exe PID 1248 wrote to memory of 1976 1248 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe"C:\Users\Admin\AppData\Local\Temp\250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c echo Y|CACLS "C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe" /P "Admin:N"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"3⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe" /P "Admin:N"3⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c CACLS "C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe" /P "Admin:R" /E2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cacls.exeCACLS "C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe" /P "Admin:R" /E3⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c echo Y|CACLS "C:\Users\Admin\AppData\Local\Temp\6829558ede" /P "Admin:N"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"3⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "C:\Users\Admin\AppData\Local\Temp\6829558ede" /P "Admin:N"3⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c CACLS "C:\Users\Admin\AppData\Local\Temp\6829558ede" /P "Admin:R" /E2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cacls.exeCACLS "C:\Users\Admin\AppData\Local\Temp\6829558ede" /P "Admin:R" /E3⤵
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C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe"C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\6829558ede\3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\6829558ede\4⤵
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN tkools.exe /TR "C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe" /F3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exeC:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exeC:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exeMD5
56dfbe78d5e7f1c1156a8dae8672a3e5
SHA15ca03199a0db7465ca7fb92d2d48642f4f981d17
SHA256250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46
SHA512ea0fb267a6ab6b4838dc840ed7939dce72009d91f482d0c040e5a4d0b66a865e29a8b9e49b1c758b87a396453f0de7cef897aeb6bd3045f969cb68df68ae482f
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C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exeMD5
56dfbe78d5e7f1c1156a8dae8672a3e5
SHA15ca03199a0db7465ca7fb92d2d48642f4f981d17
SHA256250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46
SHA512ea0fb267a6ab6b4838dc840ed7939dce72009d91f482d0c040e5a4d0b66a865e29a8b9e49b1c758b87a396453f0de7cef897aeb6bd3045f969cb68df68ae482f
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C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exeMD5
56dfbe78d5e7f1c1156a8dae8672a3e5
SHA15ca03199a0db7465ca7fb92d2d48642f4f981d17
SHA256250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46
SHA512ea0fb267a6ab6b4838dc840ed7939dce72009d91f482d0c040e5a4d0b66a865e29a8b9e49b1c758b87a396453f0de7cef897aeb6bd3045f969cb68df68ae482f
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C:\Users\Admin\AppData\Local\Temp\6829558ede\tkools.exeMD5
56dfbe78d5e7f1c1156a8dae8672a3e5
SHA15ca03199a0db7465ca7fb92d2d48642f4f981d17
SHA256250298a15ca5e40170a1feb8e639b12bbd591a448ebbfe5bc7574a1532596c46
SHA512ea0fb267a6ab6b4838dc840ed7939dce72009d91f482d0c040e5a4d0b66a865e29a8b9e49b1c758b87a396453f0de7cef897aeb6bd3045f969cb68df68ae482f
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C:\Users\Admin\AppData\Local\Temp\88340284281526874389MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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C:\Users\Admin\AppData\Local\Temp\88340284281526874389MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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C:\Users\Admin\AppData\Local\Temp\88340284281526874389MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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memory/512-123-0x0000000000000000-mapping.dmp
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memory/756-127-0x0000000000000000-mapping.dmp
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memory/1248-136-0x0000000000000000-mapping.dmp
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memory/1444-137-0x0000000000000000-mapping.dmp
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memory/1872-148-0x0000000000400000-0x00000000004DE000-memory.dmpFilesize
888KB
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memory/1976-138-0x0000000000000000-mapping.dmp
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memory/2640-144-0x0000000000400000-0x00000000004DE000-memory.dmpFilesize
888KB
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memory/3140-133-0x0000000000000000-mapping.dmp
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memory/3184-128-0x0000000000000000-mapping.dmp
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memory/3208-129-0x0000000000000000-mapping.dmp
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memory/3716-130-0x0000000000000000-mapping.dmp
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memory/3772-140-0x0000000000400000-0x00000000004DE000-memory.dmpFilesize
888KB
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memory/3772-134-0x00000000007C1000-0x00000000007E0000-memory.dmpFilesize
124KB
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memory/3772-131-0x0000000000000000-mapping.dmp
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memory/3772-139-0x00000000001C0000-0x00000000001F9000-memory.dmpFilesize
228KB
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memory/4212-118-0x0000000000891000-0x00000000008B0000-memory.dmpFilesize
124KB
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memory/4212-120-0x0000000000400000-0x00000000004DE000-memory.dmpFilesize
888KB
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memory/4212-119-0x00000000004E0000-0x000000000062A000-memory.dmpFilesize
1.3MB
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memory/4220-122-0x0000000000000000-mapping.dmp
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memory/4264-121-0x0000000000000000-mapping.dmp
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memory/4432-125-0x0000000000000000-mapping.dmp
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memory/4472-126-0x0000000000000000-mapping.dmp