Analysis
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max time kernel
189s -
max time network
200s -
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 13:04
Static task
static1
Behavioral task
behavioral1
Sample
9722cdf9c49d3fc94ffa7dd0a2710aa5.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9722cdf9c49d3fc94ffa7dd0a2710aa5.ps1
Resource
win10v2004-20231215-en
General
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Target
9722cdf9c49d3fc94ffa7dd0a2710aa5.ps1
-
Size
656KB
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MD5
9722cdf9c49d3fc94ffa7dd0a2710aa5
-
SHA1
3372c9e837a46bbeced8b4428979605273e1cf6c
-
SHA256
0c99470b0c0952b9f367fcc95f7c057908227f3360ab56eb7d6344e06991ff78
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SHA512
c966df35142628043fbb78eb2c31440385361c6b53cf8112b74d49fbf8e44eab71eb3b190e765308ada138e145302c67f429c6523f6fd09b0f92fc5adc731926
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SSDEEP
12288:EZjw0RJ9u5ILYDxD3fxYehza/tw6408TVkc5A+:g3oTmr+
Malware Config
Extracted
oski
103.114.107.28/l1/
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 1848 set thread context of 3208 1848 powershell.exe aspnet_compiler.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1848 powershell.exe 1848 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1848 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
powershell.exedescription pid process target process PID 1848 wrote to memory of 3208 1848 powershell.exe aspnet_compiler.exe PID 1848 wrote to memory of 3208 1848 powershell.exe aspnet_compiler.exe PID 1848 wrote to memory of 3208 1848 powershell.exe aspnet_compiler.exe PID 1848 wrote to memory of 3208 1848 powershell.exe aspnet_compiler.exe PID 1848 wrote to memory of 3208 1848 powershell.exe aspnet_compiler.exe PID 1848 wrote to memory of 3208 1848 powershell.exe aspnet_compiler.exe PID 1848 wrote to memory of 3208 1848 powershell.exe aspnet_compiler.exe PID 1848 wrote to memory of 3208 1848 powershell.exe aspnet_compiler.exe PID 1848 wrote to memory of 3208 1848 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\9722cdf9c49d3fc94ffa7dd0a2710aa5.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#cmd2⤵PID:3208
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82