Analysis
-
max time kernel
145s -
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
05-02-2024 14:48
Static task
static1
Behavioral task
behavioral1
Sample
92444933697fb73b97c1cc1029fd5d90.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
92444933697fb73b97c1cc1029fd5d90.ps1
Resource
win10v2004-20231215-en
General
-
Target
92444933697fb73b97c1cc1029fd5d90.ps1
-
Size
656KB
-
MD5
92444933697fb73b97c1cc1029fd5d90
-
SHA1
a651e876aecda3bea0ff93161da116cc99d694f5
-
SHA256
dd292da794d6c9afb8ea5e136c7b23ff61aa913ff2f451fa5c6b268c74714f60
-
SHA512
18c71e38426b61cb1c2c6a3eab91e92c44a9e4e95a639da03657fd878435a3e3d20c9bf8c1fb590a31fd9908a9b9fbdb9e50a6c034390f29f3719b9768411d03
-
SSDEEP
12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64s8TVkc5A+:g3wTmr+
Malware Config
Extracted
oski
/103.114.107.28/l2323/
Signatures
-
Oski
Oski is an infostealer targeting browser data, crypto wallets.
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4120 set thread context of 376 4120 powershell.exe 86 -
Program crash 1 IoCs
pid pid_target Process procid_target 3472 376 WerFault.exe 86 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4120 powershell.exe 4120 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4120 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4120 wrote to memory of 376 4120 powershell.exe 86 PID 4120 wrote to memory of 376 4120 powershell.exe 86 PID 4120 wrote to memory of 376 4120 powershell.exe 86 PID 4120 wrote to memory of 376 4120 powershell.exe 86 PID 4120 wrote to memory of 376 4120 powershell.exe 86 PID 4120 wrote to memory of 376 4120 powershell.exe 86 PID 4120 wrote to memory of 376 4120 powershell.exe 86 PID 4120 wrote to memory of 376 4120 powershell.exe 86 PID 4120 wrote to memory of 376 4120 powershell.exe 86
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\92444933697fb73b97c1cc1029fd5d90.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#cmd2⤵PID:376
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 11003⤵
- Program crash
PID:3472
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 376 -ip 3761⤵PID:4328
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82