Analysis
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max time kernel
137s -
max time network
174s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
22-12-2023 15:36
Static task
static1
Behavioral task
behavioral1
Sample
daf543db36758a68acc7aa0dfe15bed3.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
daf543db36758a68acc7aa0dfe15bed3.ps1
Resource
win10v2004-20231215-en
General
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Target
daf543db36758a68acc7aa0dfe15bed3.ps1
-
Size
421KB
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MD5
daf543db36758a68acc7aa0dfe15bed3
-
SHA1
acc96c5db5f0eba481ff05c94744e0c4043ce46a
-
SHA256
f20d954062ff2bc2f6d8fb07d6b8393f50ad49510811b386cef7419c295c2a84
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SHA512
ec93789b5d2693a286b22bc1bd58f6f5c25843bd56723deee9d54a8877902c404a84b33b065f1dc4fa3dbf17b8001a843ca80c87d4af0eba4cd333547905cd56
-
SSDEEP
12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64aL68:q3t
Malware Config
Extracted
oski
103.114.107.28/l17/
Signatures
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 2180 set thread context of 2668 2180 powershell.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2180 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2180 powershell.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
powershell.exedescription pid process target process PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe PID 2180 wrote to memory of 2668 2180 powershell.exe MSBuild.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\daf543db36758a68acc7aa0dfe15bed3.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"{path}"2⤵PID:2668