Analysis
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max time kernel
132s -
max time network
157s -
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 13:00
Static task
static1
Behavioral task
behavioral1
Sample
94e73932bf2784e31572c764f982d4d0.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
94e73932bf2784e31572c764f982d4d0.ps1
Resource
win10v2004-20231215-en
General
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Target
94e73932bf2784e31572c764f982d4d0.ps1
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Size
656KB
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MD5
94e73932bf2784e31572c764f982d4d0
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SHA1
73a644b56f6f279596b4fcece37214d50cabbb8d
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SHA256
0bed22946ec72f99934b49d8c96259617e09f598f94c423178425fbe23fa0a80
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SHA512
e1c57443dc543264337095df291a0b0b5e69d0e7c359b0ea01cddbb9b3e176d57a07198ff8086a11d7e44a066983831d895a0d7fdd0fbe24e65a94039e0deb43
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SSDEEP
12288:EZjw0RJ9u5ILYDxD3fxYehza/tw6448TVkc5A+:g38Tmr+
Malware Config
Extracted
oski
/103.114.107.28/l22/
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 2148 set thread context of 2376 2148 powershell.exe 43 -
Program crash 1 IoCs
pid pid_target Process procid_target 2552 2376 WerFault.exe 43 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2148 powershell.exe 2148 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2148 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2148 wrote to memory of 2376 2148 powershell.exe 43 PID 2148 wrote to memory of 2376 2148 powershell.exe 43 PID 2148 wrote to memory of 2376 2148 powershell.exe 43 PID 2148 wrote to memory of 2376 2148 powershell.exe 43 PID 2148 wrote to memory of 2376 2148 powershell.exe 43 PID 2148 wrote to memory of 2376 2148 powershell.exe 43 PID 2148 wrote to memory of 2376 2148 powershell.exe 43 PID 2148 wrote to memory of 2376 2148 powershell.exe 43 PID 2148 wrote to memory of 2376 2148 powershell.exe 43
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\94e73932bf2784e31572c764f982d4d0.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#cmd2⤵PID:2376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 11003⤵
- Program crash
PID:2552
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2376 -ip 23761⤵PID:916
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82