oski | 5c9b4c2ea6187806eb2e50c385db8d6e1fed2affaf1b751cd9a73c1778d5b8ae

Analysis

max time kernel
136s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 09:31

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General

Target

30fb72ee5b3d5b8dcb0d5815f90826c7.ps1
Size

706KB
MD5

30fb72ee5b3d5b8dcb0d5815f90826c7
SHA1

143f0562bd57621f470df06be5d8a217e90dc7c6
SHA256

5c9b4c2ea6187806eb2e50c385db8d6e1fed2affaf1b751cd9a73c1778d5b8ae
SHA512

681fbde78b6b512647f092ded700daae6426278478554d50f58a30da9a3f80e2c45bb2f9706f8172eb02d20238efc32154ea28affab80928027c93b4afa77605
SSDEEP

6144:raJpHs+ApelD0TpSXKFlECflUZdAMr9LXoFNihdhUNK/16dBzMeiuoC6GSOam02:BOAR/02

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.99.1.60/we/shu/

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 2724	2508	powershell.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2508	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29
PID 2508 wrote to memory of 2724	2508	powershell.exe	29

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\30fb72ee5b3d5b8dcb0d5815f90826c7.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2724

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2508-11-0x0000000002030000-0x00000000020B0000-memory.dmp

Filesize
512KB

Download
memory/2508-10-0x0000000002030000-0x00000000020B0000-memory.dmp

Filesize
512KB

Download
memory/2508-9-0x0000000002030000-0x00000000020B0000-memory.dmp

Filesize
512KB

Download
memory/2508-8-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-7-0x0000000002030000-0x00000000020B0000-memory.dmp

Filesize
512KB

Download
memory/2508-6-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-5-0x00000000026E0000-0x00000000026E8000-memory.dmp

Filesize
32KB

Download
memory/2508-4-0x000000001B230000-0x000000001B512000-memory.dmp

Filesize
2.9MB

Download
memory/2508-12-0x00000000029F0000-0x00000000029F8000-memory.dmp

Filesize
32KB

Download
memory/2508-27-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download