Analysis
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max time kernel
69s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-01-2023 11:41
Static task
static1
Behavioral task
behavioral1
Sample
d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe
Resource
win10v2004-20220812-en
General
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Target
d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe
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Size
541KB
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MD5
e5f53562e08c032f6c18e69367365837
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SHA1
bdc61269a61a6ec1ba96c9fa0550f500c60e63a6
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SHA256
d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce
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SHA512
4fee9e525dfdfeb2f7ba978798eb5ca22d0671b9ce5d395acf1949c328ec45df4a7f755416cf6e5d411e961c782ee584bfb4008e1dcc594e55ab7990c0c0f89a
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SSDEEP
6144:bU+etW4tbe3clpWyOb0p9f6b/HZSN9EXRLtjHJMoAjPfGs9x77tiCRnllQw8Kv60:IzGkWya0zyz5yaVHJMoSXGuNiCFLMdG
Malware Config
Extracted
oski
tomasisa.ug
Signatures
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exedescription pid process target process PID 3168 set thread context of 4004 3168 d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4656 4004 WerFault.exe d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exepid process 3168 d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exepid process 3168 d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exedescription pid process target process PID 3168 wrote to memory of 4004 3168 d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe PID 3168 wrote to memory of 4004 3168 d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe PID 3168 wrote to memory of 4004 3168 d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe PID 3168 wrote to memory of 4004 3168 d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe"C:\Users\Admin\AppData\Local\Temp\d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe"C:\Users\Admin\AppData\Local\Temp\d1b168734819a64df81a4b439b54c5e9c8770973313eb227e24226a6536c84ce.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 13123⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4004 -ip 40041⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/3168-135-0x0000000002A70000-0x0000000002A77000-memory.dmpFilesize
28KB
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memory/4004-134-0x0000000000000000-mapping.dmp
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memory/4004-136-0x0000000000400000-0x0000000000434000-memory.dmpFilesize
208KB
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memory/4004-137-0x0000000000400000-0x0000000000434000-memory.dmpFilesize
208KB