oski | 87b44496287299afa907dcd2cfd440d030cd727590a6f5b97e712e9d6229fa2c

Analysis

max time kernel
140s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2024 15:45

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General

Target

5d7989ec481168e731c3cfb7c5ab847b.ps1
Size

503KB
MD5

5d7989ec481168e731c3cfb7c5ab847b
SHA1

385839ff1f09f1e095a145dea1f52bbbd5b636cd
SHA256

87b44496287299afa907dcd2cfd440d030cd727590a6f5b97e712e9d6229fa2c
SHA512

315412790dc9556e969e0ed2c95aa674a0c48eb8a529b7158b2c3ada1b8a0bfafdbd1200b82cb2953084f349e1e4f70bdf27bf969ed01c05e5add64e9ecbd1bd
SSDEEP

12288:hpK5q6LiSSGEjVZ266AZjw0RJ9u5ILYDxD3fxYehza/tw64Xo:B3z

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.99.1.60/b15o/

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 536 set thread context of 3208	536	powershell.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
536	powershell.exe
536	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 3208	536	powershell.exe	90
PID 536 wrote to memory of 3208	536	powershell.exe	90
PID 536 wrote to memory of 3208	536	powershell.exe	90
PID 536 wrote to memory of 3208	536	powershell.exe	90
PID 536 wrote to memory of 3208	536	powershell.exe	90
PID 536 wrote to memory of 3208	536	powershell.exe	90
PID 536 wrote to memory of 3208	536	powershell.exe	90
PID 536 wrote to memory of 3208	536	powershell.exe	90
PID 536 wrote to memory of 3208	536	powershell.exe	90

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\5d7989ec481168e731c3cfb7c5ab847b.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:536
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:3208

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_to3n3zzu.bxx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/536-14-0x000002CC22440000-0x000002CC22456000-memory.dmp

Filesize
88KB

Download
memory/536-10-0x00007FFBE7690000-0x00007FFBE8151000-memory.dmp

Filesize
10.8MB

Download
memory/536-11-0x000002CC07BC0000-0x000002CC07BD0000-memory.dmp

Filesize
64KB

Download
memory/536-12-0x000002CC07BC0000-0x000002CC07BD0000-memory.dmp

Filesize
64KB

Download
memory/536-13-0x000002CC07BC0000-0x000002CC07BD0000-memory.dmp

Filesize
64KB

Download
memory/536-9-0x000002CC07C80000-0x000002CC07CA2000-memory.dmp

Filesize
136KB

Download
memory/536-18-0x00007FFBE7690000-0x00007FFBE8151000-memory.dmp

Filesize
10.8MB

Download
memory/3208-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3208-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3208-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3208-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3208-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download