Analysis
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max time kernel
148s -
max time network
150s -
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 15:52
Static task
static1
Behavioral task
behavioral1
Sample
e2e0a441291c5f7201101cf266aa2fc0.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
e2e0a441291c5f7201101cf266aa2fc0.ps1
Resource
win10v2004-20231215-en
General
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Target
e2e0a441291c5f7201101cf266aa2fc0.ps1
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Size
656KB
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MD5
e2e0a441291c5f7201101cf266aa2fc0
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SHA1
fb41b0dd8b9c9bb363ab9eebbb9ccf78508fab78
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SHA256
f8973553be49784e769a41bd24358bfc076427c3004773161c479013f7b4aa87
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SHA512
a43816d2755b4691b2de6b76718c1918e90796a1c6cfc21faf66ad8c0bbde0b3e740c7a43608c3bce76f3c37f55f60a8df6599e66b14d27c3c88c03340f8fde0
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SSDEEP
12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64E8TVkc5A+:g3ITmr+
Malware Config
Extracted
oski
/103.114.107.28/l2121/
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
description pid Process procid_target PID 2392 set thread context of 1576 2392 powershell.exe 92 -
Program crash 1 IoCs
pid pid_target Process procid_target 3352 1576 WerFault.exe 92 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2392 powershell.exe 2392 powershell.exe 2392 powershell.exe 2392 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2392 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2392 wrote to memory of 3720 2392 powershell.exe 93 PID 2392 wrote to memory of 3720 2392 powershell.exe 93 PID 2392 wrote to memory of 3720 2392 powershell.exe 93 PID 2392 wrote to memory of 1576 2392 powershell.exe 92 PID 2392 wrote to memory of 1576 2392 powershell.exe 92 PID 2392 wrote to memory of 1576 2392 powershell.exe 92 PID 2392 wrote to memory of 1576 2392 powershell.exe 92 PID 2392 wrote to memory of 1576 2392 powershell.exe 92 PID 2392 wrote to memory of 1576 2392 powershell.exe 92 PID 2392 wrote to memory of 1576 2392 powershell.exe 92 PID 2392 wrote to memory of 1576 2392 powershell.exe 92 PID 2392 wrote to memory of 1576 2392 powershell.exe 92
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\e2e0a441291c5f7201101cf266aa2fc0.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#cmd2⤵PID:1576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 11283⤵
- Program crash
PID:3352
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#cmd2⤵PID:3720
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1576 -ip 15761⤵PID:4368
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82