oski | b497e8747a2fcd1611424686e3bcaea15aceae3689b6578818ef9a309b73be8f

Analysis

max time kernel
149s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20251211-en
resource tags

arch:x64arch:x86image:win11-20251211-enlocale:en-usos:windows11-21h2-x64system
submitted
15/12/2025, 09:53

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General

Target
2025-12-15_5d6d23df096a285de3d21670875198c4_elex_karagany_mafia_rhadamanthys_stealc.exe
Size 223KB
Sample251215-lwl2rabn41
SHA256 b497e8747a2fcd1611424686e3bcaea15aceae3689b6578818ef9a309b73be8f
MD5 5d6d23df096a285de3d21670875198c4
SHA1 e0f987d07fcc5237c1bb693c4e226e6f3d075290
SHA512 fc041b9fde8711fa8e6472f23d0c10779f6a05c3961eaed813d5e524c273cdd441473af2fbe171a8e38c1986b7aceb627085d2fad66c7cefe4ea151631596834
SSDEEP 3072:rfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIV1Xi6FLP93c:rfUauY68uSWCx+XA7mg2pNI1Lj93c
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery oski infostealer spyware stealer

Malware Config

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Oski family
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
3136	4672	WerFault.exe	76

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	2025-12-15_5d6d23df096a285de3d21670875198c4_elex_karagany_mafia_rhadamanthys_stealc.exe

C:\Users\Admin\AppData\Local\Temp\2025-12-15_5d6d23df096a285de3d21670875198c4_elex_karagany_mafia_rhadamanthys_stealc.exe
"C:\Users\Admin\AppData\Local\Temp\2025-12-15_5d6d23df096a285de3d21670875198c4_elex_karagany_mafia_rhadamanthys_stealc.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 1416
  2⤵
  - Program crash
  PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4672 -ip 4672
1⤵
PID:2292

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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