Analysis
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max time kernel
148s -
max time network
130s -
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 16:42
Static task
static1
Behavioral task
behavioral1
Sample
f732f398ed8470ab3d7026e8efcea306.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
f732f398ed8470ab3d7026e8efcea306.ps1
Resource
win10v2004-20231215-en
General
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Target
f732f398ed8470ab3d7026e8efcea306.ps1
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Size
485KB
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MD5
f732f398ed8470ab3d7026e8efcea306
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SHA1
464cea61f64d583e42065f54b6242d361ffdd2b0
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SHA256
3020a2995a18515860d4530d32cdecf88c04d14bd0d548b9d61302a572f8efc1
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SHA512
b8b9c1bde2a70acbd9c7188d7162ba5fb6c808e676ccc370a9babb450449602f383d2d47c8280bb33f0067279175d36e27d0416d34b1210229370024c06683a2
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SSDEEP
12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64Migu:q3pu
Malware Config
Extracted
oski
/103.114.107.28/l3030/
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 2252 set thread context of 3748 2252 powershell.exe 55 -
Program crash 1 IoCs
pid pid_target Process procid_target 3464 3748 WerFault.exe 55 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2252 powershell.exe 2252 powershell.exe 2252 powershell.exe 2252 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2252 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2252 wrote to memory of 3168 2252 powershell.exe 56 PID 2252 wrote to memory of 3168 2252 powershell.exe 56 PID 2252 wrote to memory of 3168 2252 powershell.exe 56 PID 2252 wrote to memory of 3748 2252 powershell.exe 55 PID 2252 wrote to memory of 3748 2252 powershell.exe 55 PID 2252 wrote to memory of 3748 2252 powershell.exe 55 PID 2252 wrote to memory of 3748 2252 powershell.exe 55 PID 2252 wrote to memory of 3748 2252 powershell.exe 55 PID 2252 wrote to memory of 3748 2252 powershell.exe 55 PID 2252 wrote to memory of 3748 2252 powershell.exe 55 PID 2252 wrote to memory of 3748 2252 powershell.exe 55 PID 2252 wrote to memory of 3748 2252 powershell.exe 55
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f732f398ed8470ab3d7026e8efcea306.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe#cmd2⤵PID:3748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 9323⤵
- Program crash
PID:3464
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe#cmd2⤵PID:3168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3748 -ip 37481⤵PID:4248
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82