Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
21-03-2023 13:25
Behavioral task
behavioral1
Sample
4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe
Resource
win7-20230220-en
General
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Target
4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe
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Size
37KB
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MD5
6c16c29393e52ccda35c043aea1b1940
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SHA1
f440a53a8e1949aa361a311721b88efb7122e56a
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SHA256
4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5
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SHA512
90d54c328c8443dcbba6be755578bd8c62fbb633000aafdba9d305e1b42a0e7b7bea8dfff978044c8712855ed72d71325f105ec1999c7a622e8d3bf6f7532f44
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SSDEEP
384:1SSvEiTbTvpWNcZ0y8fvCv3v3cLkacpjrAF+rMRTyN/0L+EcoinblneHQM3epzXO:sS7TZ38fvCv3E1c1rM+rMRa8Nuvct
Malware Config
Extracted
njrat
im523
HacKed
0.tcp.sa.ngrok.io:19784
d129900b08bb5de7ee3568103142da72
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reg_key
d129900b08bb5de7ee3568103142da72
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 1 IoCs
Processes:
server.exepid process 756 server.exe -
Loads dropped DLL 1 IoCs
Processes:
4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exepid process 1980 4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 23 IoCs
Processes:
server.exedescription pid process Token: SeDebugPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe Token: 33 756 server.exe Token: SeIncBasePriorityPrivilege 756 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exeserver.exedescription pid process target process PID 1980 wrote to memory of 756 1980 4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe server.exe PID 1980 wrote to memory of 756 1980 4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe server.exe PID 1980 wrote to memory of 756 1980 4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe server.exe PID 1980 wrote to memory of 756 1980 4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe server.exe PID 756 wrote to memory of 2008 756 server.exe netsh.exe PID 756 wrote to memory of 2008 756 server.exe netsh.exe PID 756 wrote to memory of 2008 756 server.exe netsh.exe PID 756 wrote to memory of 2008 756 server.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe"C:\Users\Admin\AppData\Local\Temp\4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
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\server.exeFilesize
37KB
MD56c16c29393e52ccda35c043aea1b1940
SHA1f440a53a8e1949aa361a311721b88efb7122e56a
SHA2564445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5
SHA51290d54c328c8443dcbba6be755578bd8c62fbb633000aafdba9d305e1b42a0e7b7bea8dfff978044c8712855ed72d71325f105ec1999c7a622e8d3bf6f7532f44
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C:\Users\Admin\AppData\Local\Temp\server.exeFilesize
37KB
MD56c16c29393e52ccda35c043aea1b1940
SHA1f440a53a8e1949aa361a311721b88efb7122e56a
SHA2564445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5
SHA51290d54c328c8443dcbba6be755578bd8c62fbb633000aafdba9d305e1b42a0e7b7bea8dfff978044c8712855ed72d71325f105ec1999c7a622e8d3bf6f7532f44
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\Users\Admin\AppData\Local\Temp\server.exeFilesize
37KB
MD56c16c29393e52ccda35c043aea1b1940
SHA1f440a53a8e1949aa361a311721b88efb7122e56a
SHA2564445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5
SHA51290d54c328c8443dcbba6be755578bd8c62fbb633000aafdba9d305e1b42a0e7b7bea8dfff978044c8712855ed72d71325f105ec1999c7a622e8d3bf6f7532f44
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memory/756-62-0x0000000000CD0000-0x0000000000D10000-memory.dmpFilesize
256KB
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memory/1980-54-0x0000000000460000-0x00000000004A0000-memory.dmpFilesize
256KB