oski | ac1219be9ecce188ca968b4698dca1d4421da1666a7aa68f3e0b078a1d27ba5b

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
12/06/2026, 10:15

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General

Target
2026-06-12_ea2117c99acc9b7ea8078a72661baf59_elex_karagany_mafia_oski-stealer_rhadamanthys_stealc.exe
Size 200KB
Sample260612-manh5abs41
SHA256 ac1219be9ecce188ca968b4698dca1d4421da1666a7aa68f3e0b078a1d27ba5b
MD5 ea2117c99acc9b7ea8078a72661baf59
SHA1 6510d69872e32e0a119728d2fd59fa5ae5a49ec3
SHA512 fd83691c45941ae06d542da606ce6cef36fab18f29076ff7c6eb2d8e4b6e5e743cae8c84e6ced15867016c6508086f6b1510331ff166b7ffffc5bf7a22b89ca0
SSDEEP 3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIm1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pN31Ljo3c
TLSH
T1ED146D30B690C035E86310BCDDEE86BEB96C7A301F5950C3A3D45A662F712F27A71667
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery oski infostealer spyware stealer

Malware Config

Signatures

Family: Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3360	3792	WerFault.exe	80

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-12_ea2117c99acc9b7ea8078a72661baf59_elex_karagany_mafia_oski-stealer_rhadamanthys_stealc.exe

C:\Users\Admin\AppData\Local\Temp\2026-06-12_ea2117c99acc9b7ea8078a72661baf59_elex_karagany_mafia_oski-stealer_rhadamanthys_stealc.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-12_ea2117c99acc9b7ea8078a72661baf59_elex_karagany_mafia_oski-stealer_rhadamanthys_stealc.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 1172
  2⤵
  - Program crash
  PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3792 -ip 3792
1⤵
PID:1840

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads