Analysis
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max time kernel
140s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2023 13:11
Static task
static1
Behavioral task
behavioral1
Sample
9b34346208a422b5f7ddc652713bd405.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9b34346208a422b5f7ddc652713bd405.ps1
Resource
win10v2004-20231215-en
General
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Target
9b34346208a422b5f7ddc652713bd405.ps1
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Size
656KB
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MD5
9b34346208a422b5f7ddc652713bd405
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SHA1
c89923e9a29957c947aac195323248c80dc7384e
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SHA256
846c3ef5adab25394a7558a2d304c8a50ccef2f6f67485e868868fa481204955
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SHA512
ec7f17d7977df707a2c04ad10cc7edc6d1257da807b2797b7acf8cbc2f6155d9d19af9b6fa6d62dc222377a1df27cd6616abc1799077f0ad8d45249b29089c2a
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SSDEEP
12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64O8TVkc5A+:g3KTmr+
Malware Config
Extracted
oski
/103.114.107.28/l24/
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 4924 set thread context of 4488 4924 powershell.exe aspnet_compiler.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 5084 4488 WerFault.exe aspnet_compiler.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4924 powershell.exe 4924 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4924 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
powershell.exedescription pid process target process PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe PID 4924 wrote to memory of 4488 4924 powershell.exe aspnet_compiler.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\9b34346208a422b5f7ddc652713bd405.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#cmd2⤵PID:4488
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 11043⤵
- Program crash
PID:5084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4488 -ip 44881⤵PID:4940
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82