oski | fb0901c0241896831cac8f3e139c461ae327fc884812d3a206d4e0b8b7931a2e

Analysis

max time kernel
91s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
04/07/2022, 00:51

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General

Target

bb12e61f99f6c7b2d4c8702d02dec5d9.exe
Size

200KB
MD5

bb12e61f99f6c7b2d4c8702d02dec5d9
SHA1

3924763176734ee12f708a7f0fdd05f49c473ac4
SHA256

fb0901c0241896831cac8f3e139c461ae327fc884812d3a206d4e0b8b7931a2e
SHA512

49f6e0ac1ffc8638f8116f5e5d5e3a9548ced2f788638f370bba55225184d71bf1e10e9c8a12aff3911a40b228f337a1bfeb20fc3394e2630601d0b2cd709220

Score

10^/10

oski infostealer spyware stealer suricata

Malware Config

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1692	3856	WerFault.exe	81

C:\Users\Admin\AppData\Local\Temp\bb12e61f99f6c7b2d4c8702d02dec5d9.exe
"C:\Users\Admin\AppData\Local\Temp\bb12e61f99f6c7b2d4c8702d02dec5d9.exe"
1⤵
PID:3856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 1356
  2⤵
  - Program crash
  PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3856 -ip 3856
1⤵
PID:1272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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