oski | 231ac4cf73a42ea2dc3fb6fc6c708a1288322ce9c98098d3e6f1b100c2c0b3d7

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
11-03-2024 05:34

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General

Target

bff92dc80413fbf07cac532191df5832.ps1
Size

706KB
MD5

bff92dc80413fbf07cac532191df5832
SHA1

dc231645b8164777b6e7d5b87d3c16a564d84fcf
SHA256

231ac4cf73a42ea2dc3fb6fc6c708a1288322ce9c98098d3e6f1b100c2c0b3d7
SHA512

ec2aa38e798d65d3d7788e099e677f3a575fae2ed8a2c273fcf322a26e166cd3a47c2106af1ee12ba752cdb8c562f09290d36332407ee9aa6bb3f8297010b701
SSDEEP

6144:raJpHs+ApelD0TpSXKFlECflUZdAMr9LXoFNihdhUNK/16dBzMeiuoC6GSO0m02:BOARZ02

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.99.1.60/we/sb/

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 2500 set thread context of 2564	2500	powershell.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1960	2564	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2500	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2500 wrote to memory of 2564	2500	powershell.exe	29
PID 2564 wrote to memory of 1960	2564	RegSvcs.exe	35
PID 2564 wrote to memory of 1960	2564	RegSvcs.exe	35
PID 2564 wrote to memory of 1960	2564	RegSvcs.exe	35
PID 2564 wrote to memory of 1960	2564	RegSvcs.exe	35

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\bff92dc80413fbf07cac532191df5832.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 736
    3⤵
    - Program crash
    PID:1960

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2500-4-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2500-5-0x00000000026F0000-0x00000000026F8000-memory.dmp

Filesize
32KB

Download
memory/2500-6-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download
memory/2500-7-0x0000000002B10000-0x0000000002B90000-memory.dmp

Filesize
512KB

Download
memory/2500-8-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download
memory/2500-9-0x0000000002B10000-0x0000000002B90000-memory.dmp

Filesize
512KB

Download
memory/2500-10-0x0000000002B10000-0x0000000002B90000-memory.dmp

Filesize
512KB

Download
memory/2500-11-0x0000000002B10000-0x0000000002B90000-memory.dmp

Filesize
512KB

Download
memory/2500-12-0x00000000029F0000-0x00000000029F8000-memory.dmp

Filesize
32KB

Download
memory/2500-27-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

Filesize
9.6MB

Download
memory/2564-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2564-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download