Analysis
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max time kernel
149s -
max time network
152s -
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 13:13
Static task
static1
Behavioral task
behavioral1
Sample
9c226145547ce4265b7cdaf7c5e0cb39.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9c226145547ce4265b7cdaf7c5e0cb39.ps1
Resource
win10v2004-20231215-en
General
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Target
9c226145547ce4265b7cdaf7c5e0cb39.ps1
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Size
656KB
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MD5
9c226145547ce4265b7cdaf7c5e0cb39
-
SHA1
703c3fa709594ae52e474e5e6525c31cb7ec34fe
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SHA256
072611cbd21330320b51fb7e49a58d2810f81c4f4a923f5af91b97b91052dbde
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SHA512
529a25f4694a0e7099809920301f606920d2aff7e367cbdbb5b871a018afa5ce5350851c3ae0e3e6b0c09d39a115504ff0ae74622e10bd17d47fc1007783f886
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SSDEEP
12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64M8TVkc5A+:g3kTmr+
Malware Config
Extracted
oski
103.114.107.28/l11/
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 2292 set thread context of 3120 2292 powershell.exe aspnet_compiler.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3848 3120 WerFault.exe aspnet_compiler.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 2292 powershell.exe 2292 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2292 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
powershell.exedescription pid process target process PID 2292 wrote to memory of 3120 2292 powershell.exe aspnet_compiler.exe PID 2292 wrote to memory of 3120 2292 powershell.exe aspnet_compiler.exe PID 2292 wrote to memory of 3120 2292 powershell.exe aspnet_compiler.exe PID 2292 wrote to memory of 3120 2292 powershell.exe aspnet_compiler.exe PID 2292 wrote to memory of 3120 2292 powershell.exe aspnet_compiler.exe PID 2292 wrote to memory of 3120 2292 powershell.exe aspnet_compiler.exe PID 2292 wrote to memory of 3120 2292 powershell.exe aspnet_compiler.exe PID 2292 wrote to memory of 3120 2292 powershell.exe aspnet_compiler.exe PID 2292 wrote to memory of 3120 2292 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\9c226145547ce4265b7cdaf7c5e0cb39.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#cmd2⤵PID:3120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 12163⤵
- Program crash
PID:3848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3120 -ip 31201⤵PID:2176
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82